Line Level Preamplifier

The Pro Signal PSG03927 preamp is a battery powered turntable phono pre-amplifier that allows you to connect low signal output record players, turntables, magnetic cartridges etc to equipment that has normal stereo line level inputs (most modern amps). Trafomatic Audio LARA line level preamplifier Release at Highend 2016 €9300 LARA is fully balanced, remotely controlled Class A line stage with outputs transformers, custom made chokes, separate power supply and 20dB gain. It can boost a microphone 's weak audio signal. Solid State Preamp Reviews. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving. The API 512v is a mic / line / instrument preamp, world famous for its ability to provide a low noise (-129 EIN) and unusually good sounding front end for all types of audio applications. The preamp is on the leading edge of audio technology. The RNDI’s signature sound is the product of new custom Rupert Neve-designed transformers and class-A biased, discrete FET amplifiers. Expect the Goldpoint SA2 to out perform other passive preamplifiers with its clarity, transparency and precision. You can adjust the preamp level to avoid clipping at the board and then adjust master volume to maintain the proper sound level onstage. Attenuation is via an ALPS motorised p. THE NEW B2B-2 LINE LEVEL PREAMP/DAC raises the bar for clarity, precision and "presence. 12AU7 Line Preamp. It processes line-level signals only. The Power Supply Aufwärts: AH PRE-1 Highend-Preamplifier Development Vorherige Seite: The Phono Preamplifier Inhalt The Line Level Amplifier. Burmester 077 preamplifier solid state line / phono in perfect condition complete with original packaging and accessories. The Orpheus (211) 15w monoblocks were $3,600/pair. Three preamplifiers are on-board, each with variable gain and dual input connectors (1/4′ TRS / XLR). Features RCA in-/output. Most preamps provide both line level and phono inputs. The B2B-2 LINE LEVEL PREAMP/DAC. Esoteric Grandioso C1 Line Level Preamplifier. Free shipping. 00: AB Jan 30, 2020: 22 : FOR SALE: Firestone Audio Korora phono preamp (Battery Powered) Phono Preamplifiers: $200. It processes line-level signals only. Finding a preamp using one rectifier tube is sweet. Key Features. Be prepared for it to sound weak though, cos most of the sound you love about a guitar comes the power amp and the speaker. Or you can use it to add a volume control between a line level source and a power amp which has no level adjustment of its own. The very small degree of rolloff noted at the high-frequency end decreases to about –0. This is a single ended stereo line level input tube preamplifier. The Audio Space Reference 2 from Hong Kong audio engineer Peter Lau is a genuine rara avis—a fullfunction, fully balanced preamplifier that uses two matched pairs of 300B directly heated triode tubes in its output stage. Running a rack EQ in the loop but want to add pedals as well. 6 out of 5 with 27 reviews (27) Compare. These mic’s give a supreme amplification of all acoustical instruments in the studio. Our measurements have revealed that most preamps provide little headroom on the inputs for audio peaks typically found with analog sources. Well, low level signals are more likely to pick up external noise simply due to their low voltages. Increase the input sensitivity control until the desired voltage (determined in Step 5) is delivered. Also, the quality of the preamp is somewhat dependent on the builder's construction skills, and success at such a project would depend on what your acceptable level of quality is. Only 1/4" TS (tip-sleeve), so if I'm using an XLR cable for the mic, then I'd have to go to the mic pre first (XLR in), using the 12ay7's 1/4" out to the black finger, so I'd already be at line level. 00 NuPrime DAC-9H DAC/Preamp/Headphone Amp $ 995. A line level signal is what your sound card requires to make a good recording. The most basic task of a microphone preamp is to convert the output of your microphone to line level. Use the level trim to push your preamp harder for coloration without distorting the compressor inputs. Classifieds: FOR SALE - Audio Research LS25 stereo line-level preamplifier includes Shipping and PP fees for CONUS asking for $2100. 00 NuPrime DAC-9 DAC/Preamp $ 795. A switch selects between microphone and line inputs (an LED lights to indicate line has been selected). For the finest sound, follow the suggestions in this manual. Built with 5 line level inputs buffered, switched from the front panel, 2 line outputs and a direct un-switched tape output. The XP-30 generates less noise, crosstalk and distortion while delivering greater dynamic range, gain, output voltage and output current. Both line-level RCA and balanced inputs are provided, along with dual right and left speaker outputs for easy biwiring. Two boards, each board configurable for line and headphone variants. Linn KAIRN Stereo Preamplifier Preamp w/ Remote Control - Works & Looks Great. 00245 VAC or millivolt range. 4B Line-level Preamplifier! asking for $300. LARA – Line level preamplifier Trafomatic Audio LARA line level preamplifier We’ve been repeatedly asked to introduce a line level preamplifier with more affordable price sticker, but without compromises and with recognized Trafomatic house sound, that so well accepted and carried across our complete product range. The XP-30 is a three-piece modular preamplifier consisting of one control/power supply chassis and two additional gain chassis each containing analog signals of a single channel. Line Level. 5dB steps of volume and balance. 7 dB per step. The LPZ is a simple line pad designed to interface Line level audio down to Mic level with the correct impedances. With some powered subwoofers, the line level output has the deep bass filtered out, and so one can hook up one's preamp to the subwoofer, and use the subwoofer's line level outputs to the main amplifier, thus freeing it to provide power only to the upper frequencies, so you are less likely to run out of power for them. * The volume is remote controllable. Improved soundstage width and depth and higher resolution are changes to the Remote Control Linestage Preamp. line level preamp synonyms, line level preamp pronunciation, line level preamp translation, English dictionary definition of line level preamp. Line OUT signal voltage and impedance levels? The line output "standard" designed to drive a load of 600 ohms or greater, at a mean signal level of 0. Microphone preamps use special circuits to amplify low signal levels up to the standard operating level of your recording equipment. They deliver a usually amplified line-level signal, generally to a power amplifier. The audio inputs are bridged at 20 kW and accept either an unbalanced or a balanced audio signal. audio reviewers agree, Primaluna is A. Dimensions: 2" H x 8" W x 5. LARA line preamplifier follows the Trafomatic Audio ultimate pursue for the highest musical reproduction, but at more affordable price, that open up the doors of pure musical enjoyment to wider audience. Norton | May 15, 2019. In fact, there are preamps in the $3-$5000 price range that aren't nearly this sophisticated. In some ways it serves the same purpose as a buffer amp. The small size and attached mounting tabs make it easy to install the amplifier in the wall, directly behind video displays or in equipment racks. Anywhere you need a fixed gain mic to line preamplifier, STM-1 is the reliable and cost-effective solution! Use the STM-1 individually, or combine it with other RDL products as part of a complete audio/video system. This turns the L1 into a True Monaural Extended system, providing the preamplifier with 16 as opposed to 8 inputs, if required “This exceptional… line-level preamplifier is a contender. Pre's that boost your signal cleanly to perfectly reproduce the sound the microphone recorded are. 2V range to be suitable for amplifier's line level input. McIntosh preamplifiers connect all your home audio components together. These accept line level. CA-04 receives several prizes and be CA-03, CA-03L, of the popularity the vacuum tube ceremony pre amplifier of the highly efficient line level exclusive use that causes the line amplifier department to, the. Prefer solo listening sessions? The integrated headphone amplifier features a Class A output stage with low output impedance for extra oomph. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving. CA-04 receives several prizes and be CA-03, CA-03L, of the popularity the vacuum tube ceremony pre amplifier of the highly efficient line level exclusive use that causes the line amplifier department to, the basis become independent and improved the details. A front panel 3. The K-5xe MP preamplifier's current list price is $4,350. This is a common thing to get wrong, so I figured I'd help out! In this video learn how to connect your mic preamp or anything that outputs a line level signal to your interface the best way. Connect your turntable to line-level devices. The higher amplitude range is called "line level", and the lower range is called "instrument level". The Sugden Masterclass LA-4 Class ‘A’ Line Pre-Amplifier is a line level stereo pre-amplifier with authority, finesse and the capability to develop a sound stage with imaging, dimensional realism, and time/space elements in perfect harmony. The ISA One is a high quality preamplifier, which can be used to record microphone, line-level or instrument sources. A line-level signal is approximately one volt, or about 1,000 times as strong as a mic-level signal, so the two do not ordinarily use the same input. Pass Labs XP-10 Line Level Preamplifier And Pass Labs XA60. On the 8 channel versions, you will typically encounter onboard preamps on channel 1-4 and line-level inputs on channels 5-8. 07 shipping. The K-5xe MP preamplifier's current list price is $4,350. His past research and experience has convinced him that there exists a limited number of circuit topologies suitable for creating truly high-end audio equipment. The audio circuit is elegant in its simplicity. I'm looking a little further down the upgrade line. The inputs and outputs may be connected through the front-panel XLR jacks or on the rear panel detachable terminal blocks. Unity gain is the level of the signal when it enters the inputs of a preamp. Of course, how well that. Also outputs over stereo 1/4 " jack. 2 is actually a four-in-one component that also serves as an analog-to-digital converter, headphone amplifier, and line-level preamplifier. The circuitry of the ET7-S2 follows closely that of the GAT Series 2. If a mic input has a built-in preamplifier, the preamp should have enough gain to bring the mic signal up to line level. where you really. Indeed, the BP-17 3 costs less than any solid-state preamp listed in Class A of the April 2018 edition of "Recommended Components. Maximum output voltage: 9. The Mk1 was the first in the line which got an upgraded version, the Mk2 (photos here ). This phono signal needs to be converted to a LINE LEVEL signal (sometimes referred to as AUX signal) to work with audio equipment including stereo systems, computers, and speakers. The preamp inside a head unit takes the raw signals from the various sources in the head unit, such as the CD player or radio tuner, and sends the low-level output (also called line-level output. Dubbed by Music Hall "the Swiss Army Knife" of MM/MC phono preamplifiers, pa2. LP Abbreviation for lumbar puncture. I guess this basically is attentuating the signal, ie: reducing amplitude and intensity of the signal. And it will present a source impedance to the mike preamp that's very close to 150 ohms, which is what most preamp are expecting. Only turntables require the 40dB gain and re-equalization a phono preamp provides. Note: It is important to use a line level input on your recording device as opposed to a microphone or instrument level input. A phono preamp is an outboard device that steps into that void, boosting a turntable’s output so modern electronics can play it at the proper volume level while adding equalization. We are proud to bring the Verve vacuum tube line stage preamplifier to production. USPS money order is another option. Dunlop EP101 Echoplex Guitar Preamp - Nearly New - The Jim Dunlop EP101 Echoplex Guitar Preamp puts the legendary effects of the Jim Dunlop EP-3 right on your pedalboard. You can adjust the preamp level to avoid clipping at the board and then adjust master volume to maintain the proper sound level onstage. The Mark Levinson № 523 is the definitive preamplifier for the analog music lover. 0 is a passive device. Click below to view the "melos audio ma-110b tube/line-level" valuation report; including current used pricing and market data* Gather price information about this preamplifier and many others before you buy, sell or trade. L300 Line Level Pre-amplifier - Puresound. 5 is an active class A device. This turns the L1 into a True Monaural Extended system, providing the preamplifier with 16 as opposed to 8 inputs, if required "This exceptional… line-level preamplifier is a contender. In particular, the RC-1590 preamp is loaded with features most every sub-$2000 preamp could only dream of. a preamp is used for hooking up external amplifiers to you deck. Actually, it's hard to figure out exactly what it is. An audio preamplifier that does not provide any compensation for phonograph or microphone input. Lower Peninsula 2. The key differences between a receiver, an amplifier, and a preamp are based on their functions. Joined Mar 9, 2007 · 538 Posts. The diagram below shows the relationship between the voltage output levels of each of the types of outputs. Jump to Latest Follow 1 - 12 of 12 Posts. Audio preamp circuit diagrams / circuit schematics Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. single 12AU7, highly regulated outboard power supply. Yamaha is on their 3rd generation of separates in the Aventage line with their new 11-channel CX-A5200 AV Processor and MX-A5200 amplifier. Bryston BP-173 Preamplifier. Yes, you read that right: 300Bs. Built with 5 line level inputs buffered, switched from the front panel, 2 line outputs and a direct un-switched tape output. Autotransformer Passive Stereo Preamplifier A high fidelity line level controller that selects 6 RCA phono inputs, adjusts gain and provides 2 RCA phono outputs. A second switch activates the 48V phantom power circuit (also equipped with an LED indicator). Many modern mic preamps assume the mic is a condenser mic with a "hot" output level. What makes this kit very inexpensive is that power comes a switch mode power supply, fed from a 17 volt DC wall wart! Photograph 01 shows a stock build of the kit. The preamplifier takes your standard microphone level and boosts it for compatibility with line-level inputs. Demo item with about 4 hours of usage maximum. Park’s statement on how to listen to music. 27 List List Price $61. The remaining curve, for the line-level response (taken from the main outputs), was taken with the level control set for unity gain (about 11:30). When connected it will boost the microphone audio output to a level that can be used to connect to a typical auxiliary line level input commonly found on amplifiers / mixers or recorders requiring 0. Improving upon ART's popular Tube MP. I read up on bunch of bad advice and tried adding buffer and preamplification after delay pedal but didn't jive. Specifications. preamplifier (pree-am -plă-fÿ-er) An amplifier used in a radio telescope to boost the signals from the antenna before they are fed to the receiver. In the case of a home sound system, the device may simply switch to various line level sources in order to control the volume without truly amplifying the sound. The phono preamp (or phono stage) has two important tasks in a vinyl playing stereo setup. An op amp is used as a transimpedance amplifier to convert the output current from the microphone into a signal level voltage. The three line level inputs have zero-gain so you can actually think of it as an almost passive line preamp paired with a phono MM preamp. Note: It is important to use a line level input on your recording device as opposed to a microphone or instrument level input. The second is that the preamplifier should have such parameters as musicality, brightness, warmth, and transparency of the signal. See B&H's vast selection of In-Line Mic Accessories from top brands like Sescom, RapcoHorizon, Pro Co Sound and Shure, all at unbelievable prices. 2 is actually a four-in-one component that also serves as an analog-to-digital converter, headphone amplifier, and line-level preamplifier. Built with 5 line level inputs buffered, switched from the front panel, 2 line outputs and a direct un-switched tape output. Designed to sit between a reference external DAC and power amplifier, the all-analog Benchmark LA4 line preamplifier aims to supply a peerless analog signal path between inputs and outputs. The Conrad-Johnsons, PV10 and PV12 and the like, have a quite simliar circuit inside, but omit the bypass capaciter, which yields local feedback to the line. Yes, you read that right: 300Bs. The very small degree of rolloff noted at the high-frequency end decreases to about –0. Active preamps can use tubes, discrete transistors, or op-amps as their gain devices. Inputs: two line-level balanced, four line-level single-ended. can you plug a guitar into the line-level input of preamp? if I search for info about guitar impedance, I find lots of docs about needing a d. Despite its moderate price, the KSL is distinguished by having balanced outputs (via industry-standard XLR connectors), as well as two balanced inputs. The voltage of the signal that a microphone produces is the Microphone Level. Classifieds: FOR SALE - Audio Research LS25 stereo line-level preamplifier includes Shipping and PP fees for CONUS asking for $2100. CA-04 receives several prizes and be CA-03, CA-03L, of the popularity the vacuum tube ceremony pre amplifier of the highly efficient line level exclusive use that causes the line amplifier department to, the basis become independent and improved the details. I'm thinking of getting an Onkyo SR705 receiver with two Onkyo M-282 amps. But PrimaLuna uses two 5AR4 rectifier tubes in their dual-mono design. You can adjust the preamp level to avoid clipping at the board and then adjust master volume to maintain the proper sound level onstage. Every precaution is taken to minimize noise. Apogee Quartet - USB Audio Interface - 4 Inputs with World-Class Apogee Mic Preamps and Professional Line Level Input, Made In USA 3. Applies to: All Products. Line level is the specified strength of an audio signal used to transmit analog sound between audio components such as CD and DVD players, television sets, audio amplifiers, and mixing consoles. 0 overview: To meet Doshi's mandate of design simplicity, a single gain stage is used, with one ECC99 Dual-Triode vacuum tube per channel. Show More; Brand. At that point, the concept of the 1073 OPX was born. Ok , so we have line level (about ½ – 1 volt) which goes into an amplifier to make it up to speaker level (about 10 volts or above). The XP-12 is the replacement for the XP-10, which had been their entry level, reference, one-box line level preamp for nearly a decade. Preamplifiers. High-end touches include gold plated circuit boards, relay switching of all inputs and output and a sophisticated class A output stage. The Accuphase C-202 line-level class-A preamplifier is an extraordinary piece of hi-fi gear. The RB-1590 amplifier offers 350WPC of class AB power for $3000. Output impedance: 11 ohms. 27 List List Price $61. A preamplifier is a device that can make the line level higher. As for the preamp noise, there was a tiny bit of hiss, but it was much lower in level than the ambient noise from my control room. Sort By: the MM-only RIAA amplifier is based on discrete FETs, its output joining the line-level signals at the switching ICs, these. Component list R1 4. Input impedance: 48. A line level signal is what your sound card requires to make a good recording. The very small degree of rolloff noted at the high-frequency end decreases to about –0. By way of revision, the CH Precision L1 is a line-level, dual-monoaural, eight-input, Class A preamplifier that operates under and relies upon a logic control more in line with a computer than a traditional preamp. The line level signals should be in 0. A turntable produces a PHONO output signal. Small outrigger "feedback cards" are used to customize the response to almost anything you might need. In the world of preamps, experts agree that tube rectification offers the most natural, textured, vibrant presentation. The analog inputs consist of one phono in, two line level inputs, and L, R, and subwoofer bypass inputs. SP14 preamp this is our very best preamp, a 4 tube line stage only preamp, includes tube power supply, the best preamp I've ever built !! Same essential circuit design as our SP12 but with many improvements. The XP-12 uses the single stage volume control borrowed from the XS line preamp. B2B-2 LINE LEVEL PREAMP/DAC. Naim produces an exceptionally broad range of products, all featuring a full harmonically complex sound. On the other hand, building a preamp is a really fine way to learn audio electronics. parasitic-capacitance preamplifier; charge-sensitive preamplifier. Roll off in both directions is seamless. ET3/ET3SE Vacuum Tube Preamplifiers At conrad-johnson, development of our flagship products has traditionally led to important enhancements of our entry-level offerings. Using three ECC88s to create smooth sound. 6 out of 5 with 27 reviews (27) Compare. Don’t assume audio level based just on the type of plug being used. SD Systems Instrument Microphones, invented clip-on microphones in 1985. Lamm Industries Model LL2 Line-Level Pre-Amplifier (Deluxe Version) Review by Dick Olsher Click here to e-mail reviewer Lamm Industries' Vladimir Shushurin is a man with a clear vision about audio design. +4 dBu is "professional" line level, common in modern pro recording gear, and it is about 1. Gain: 18dB (line). PREAMPLIFIER The VT-737SP has three input selections: 1. This is a single ended stereo line level input tube preamplifier. This thread is archived. Starting with 6 line level inputs and the previously mentioned MC/MM phono input, the C 165BEE also includes a superbly designed tone control circuit. L300 has 5 inputs and twin outputs (2 pairs single ended and 2 pairs balanced via XLR). This box is only to amplify RCA line-level (usually 1-2V peek) signals by 15 db or less. , from 10 mV to 1 V) but no significant current gain. Offers front gain trim control and a signal/clip LED that allows you to optimize the preamplifier's gain for a wide range of input sources. This turns the L1 into a True Monaural Extended system, providing the preamplifier with 16 as opposed to 8 inputs, if required "This exceptional… line-level preamplifier is a contender. Starting with a high performance power supply consisting of two Rotel custom built toroidal transformers for maximum efficiency and low magnetic fields, these transformers provide. Matt describes the design and construction of the 4S Universal Tube Preamplifier. But how much gain is required? Well, it depends. If you try to record the signal directly from a microphone, without running it through a preamplifier, it will be very quiet. A voltage divider is. The preamplifier provides voltage gain (e. Designed to sit between a reference external DAC and power amplifier, the all-analog Benchmark LA4 line preamplifier aims to supply a peerless analog signal path between inputs and outputs. The power supply of the HP 300 SE consists of the external transformer with optimized isolation characteristic to keep line noise extremely low. Sonic Euphoria Passive Line Stage (Preamp) - Balanced Version with Remote (Price Reduced) US Audio Mart $999 13% Feb 16, 2020 Canuck Audio Mart Balanced Unbalanced Active Passive Line Level Converter Preamp A-B Box Canuck Audio Mart CA$300 Apr 17, 2020. The RC-1590 stereo preamplifier has been engineered to the highest audio performance levels and provides an incredible level of control and flexibility for the user. , USA 86301 (928) 443-9391 FAX (928) 443-9392 www. Total harmonic distortion (THD) is less than 0. We developed this line stage to complement our single ended triode amplifiers. If you want to do that, they make phono player preamplifiers that will boost the signal much more than this box will and better match the impedance of those older phonos. Saša Čokić new creation comes in the form a all new line preamplifier in two chassis and priced below 10k. These mic’s give a supreme amplification of all acoustical instruments in the studio. An old stereo receiver can be used as a preamp with standard stereo cables and two tape-deck connections. 12AX7 Valve Preamp Kit. Not surprisingly, the difference in noise is just under 6 dB. The Sugden Masterclass LA-4 Class ‘A’ Line Pre-Amplifier is a line level stereo pre-amplifier with authority, finesse and the capability to develop a sound stage with imaging, dimensional realism, and time/space elements in perfect harmony. RIAA equalization is a specification for the recording and playback of phonograph records, established by the Recording Industry Association of America (RIAA). The latest version of the Quicksilver Line Stage offers a simplified switching and signal path. 00: ON Jan 30, 2020. The L2 Line pre-amplifier now comes as standard with a very high quality extender kit for the ELMA selector with a custom made bracket for the ultimate in short length leads and high quality switching. This fantastic preamp is an all solid state line level preamp featuring J-FET transistors in a complimentar. It doesn’t color the sound in our opinion It has one small ding on the side of the front. A microphone preamp amplifies the signal from mic level to line level. We have line amplifiers from Kramer, Solid Signal, and Sonora, among others. This is a single ended stereo line level input tube preamplifier. Unit 220v-240v Please buy with confidence. 5 to 2 VAC and the microphone signals are in the. The main reasons for having a full pre amplifier (apart from tone controls and balance which thankfully most high pre amps. The basic difference is this: a preamp boosts a weaker signal to line level, while an amplifier boosts a line level signal so that it can be sent to speakers. Pre-out = line level = low level. It is hard wired with an Alps pot fitted and with a ground loop lift switch designed to stop any ground loops. feedback ratio for the non-inverting configuration as used in the phono/mic. save hide report. Each channel is identical. Line Preamplifiers Line level amplification and related functionality. Icon Audio LA4 MkIII Line Pre-Amplifier Building on the success of the earlier marques the LA4 MkIII has improved cosmetics and an upgrade circuit. The API 512v is a mic / line / instrument preamp, world famous for its ability to provide a low noise (-129 EIN) and unusually good sounding front end for all types of audio applications. A separate. Home audio theater. Cary Audio SLP 50a Preamp with Remote Volume Control in Black or opt. If the preamp output is high impedance, connecting it to a device with a matching input impedance is important. This phono signal needs to be converted to a LINE LEVEL signal (sometimes referred to as AUX signal) to work with audio equipment including stereo systems, computers, and speakers. It is a mature design that has undergone several iterations. Bellari PA555 Line Level Preamplifier [PA555] - Other Accessories: How many times have we all heard the left-handed compliment about an audio component when someone says it sounds “really good for the money?” The inference is that even though it sounds really good, it doesn’t sound all that good because it just doesn’t cost as much as the high-priced. A line-level signal is approximately one volt, or about 1,000 times as strong as a mic-level signal, so the two do not ordinarily use the same input. Line level signals are the highest level signals before amplification. The green colored waveform, the 4 volt output. Line stage: a preamp that does not include a phono preamp. The RC-1590 stereo preamplifier has been engineered to the highest audio performance levels and provides an incredible level of control and flexibility for the user. The monaural line level preamplifier model LL1. A line level signal can be connected to an amplifier which sends the signal to loudspeakers with much higher power. I'm not in a position right now to build one from scratch, so I need. Luxurious design with chrome facia and gold or chrome knobs. One of the inputs can also power a Naim phono stage should you want to connect up a turntable. Marantz SC-11S1. Level and balance can be adjusted in 100 steps of approximately. The Vox AC15 is a highly revered amp, capable of delivering amazing sounds at a power level that won't crack wall plaster. The Raleigh Audio Line Stage is a state-of-the-art differential vacuum tube gain stage with integral power supply. It can boost a microphone 's weak audio signal. A DI box will not bring the signal to "line level". These mic’s give a supreme amplification of all acoustical instruments in the studio. 5mm mini jack is perfect for portable audio players or smartphones. Pass Labs XP-12 Line Level Preamp. A preamplifier preamp or pre is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise tolerant and strong. In the typical audio system, a preamplifier only supplies a voltage gain, which is generally somewhere between 10 millivolts to 1 volt. LARA is fully balanced, remotely controlled Class A line stage with outputs transformers, custom made chokes, separate power supply and 20dB gain. The Orpheus (211) 15w monoblocks were $3,600/pair. Preamp: Takes an analog signal from an analog source such as a turntable or microphone and amplifies it to "line level". A phono preamplifier, also known as a phono stage, is an audio component that amplifies the signal from your turntable to a level that allows you to connect it to your sound system the same way you would with any other audio source. High level input. Each output provides either a microphone or line level signal. Rotel’s new preamp and power amp combo, the RB-1590 and RC-1590, offer up very impressive specifications for a modest asking price. The unit will ship in the original manufacturer’s box and packing. Amplify the tiny signal from the cartridge from phono level that varies between 0. Choose Flat (FRFR) mode for plug-in-and-play functionality with your modeler’s cabinet emulations, or Speaker Modeling mode to take advantage of proprietary onboard speaker models—which are not the same as either cabinet models or impulse responses—for a. Description: Vacuum-tube line preamplifier with fully differential, all-balanced circuitry, outboard power supply, and remote control of all functions with 0. LARA line preamplifier follows the. cd players tend to be a bit higher. C4 10 uF 16V electrolytic C5 100 uF 16V electrolytic D1 Red LED Q1 BC547B SW1 on/off switch. Line-Level Inputs Line-Level Inputs. Calrad's compact stereo amplifier is ideal for audio distribution systems where sources may have different output levels. The white line would represent the voltage output produced by the op-amp powered by the switching power supply. OMNITRONIC 10355042 LH – 042 Line. Speaker level signals are usually in 3. the level of signal strength required by such devices) by providing stable gain while preventing induced noise that would otherwise distort the signal. The layout in Figure 5 is one possible way to build the preamp. The basic difference is this: a preamp boosts a weaker signal to line level, while an amplifier boosts a line level signal so that it can be sent to speakers. It processes line-level signals only. Unit 220v-240v Please buy with confidence. The heart of this tube preamplifier we utilized a 274b rectifier also making it possible for you to roll tubes like a 5u4 or 5r4 rectifier. Click below to view the "klyne audio arts, ltd. The second amplifier is typically a power amplifier (power amp). Amplifier & Mic Level vs. Raleigh Audio Line Stage. This mic preamplifier also can be used for dynamic microphone. Six line-level analog and phono inputs travel through the Mark Levinson proprietary Pure Path discrete, direct-coupled, fully balanced, dual-monaural signal path for breathtaking purity and performance. But unlike my first go round with Bruce's pre-amp, now I CAN have multiple inputs and tone controls. 9 out of 5 stars 31 $24. It means the turntable you are looking at has a built-in phono pre-amplifier stage, so yes, you can hook it directly to your receiver. Each input accepts either a balanced microphone or line level signal. Many computer audio interfaces and systems have internalized preamplifier circuits, but you can also use a dedicated external. A front panel 3. Total harmonic distortion (THD) is less than 0. I recently added a amplified Bazooka Tube. Now with lower feedback and lower gain the macro ynamics and sound stage are enhanced. 3mm headphone socket on the front, and both balanced and single-ended outputs. Common applications include adding a microphone to consumer audio receivers, feeding line level inputs of any professional audio processor or directly into a power amp, distribution. Using the LX-2 for parallel effects processing Split the output of a preamp to feed an outboard effects device while also sending a clean signal to your recording interface. TRANSFORMER BALANCED LINE OUTPUT: Use this jack to send a line level signal from the preamp to a house mixing board, recording con-sole, or external amplifier. Rounding out the picture, a pure Class-A buffer using the latest generation of Super OP Amps provide low impedance balanced and single-ended connections to. Sidebar 4: Specifications Description: Line-level preamplifier. Hi everyone here! I think Ill buy this awesome unit! But something is missing in the manual, I d like to run the helix to a power amp (in the return of a tube amplifier for exemple, or in a electro harmonix 44 magnum). What I did in my case was to use the preamp output and use a Y connector for each (L) and (R) output to hook up (in mono) my 15" down firing, powered Velodyne Subw. Line Level Preamplifier (1993) add a review. On the 8 channel versions, you will typically encounter onboard preamps on channel 1-4 and line-level inputs on channels 5-8. There is a simple circuit that makes up this pre-amplifier yet the music has areas of openess and authority that heavily modified and more complex units struggle to reveal in quite the same manner. Pass Labs make two levels of preamps, the Xs and the XP. 43 notes &. To maximize versatility, the preamp includes two. phono preamp An electronic circuit that amplifies and equalizes the analog output of the cartridge in a phonograph turntable. Use the level trim to push your preamp harder for coloration without distorting the compressor inputs. single 12AU7, highly regulated outboard power supply. Define line level preamp. I have both Line level outs hooked to the front and rear speakers. 100% passive, and with two selectable Inputs, the SA2 is intended to provide superior sound quality even when replacing expensive active preamplifiers. The XP-12 is the replacement for the XP-10, which had been their entry level, reference, one-box line level preamp for nearly a decade. 00 NuPrime DAC-9 DAC/Preamp $ 795. 00 Sale price $7,125. 750 millivolts is the industry standard and allows for the interconnection of different devices from different manufacturers. Amplify the tiny signal from the cartridge from phono level that varies between 0. The line level (Hi-Fi) version of the kit has the gain set at 4 (6 dB). MIC INPUTS Transformer-balanced XLR inputs accepts microphone level signals. LARA – Line level preamplifier Trafomatic Audio LARA line level preamplifier We’ve been repeatedly asked to introduce a line level preamplifier with more affordable price sticker, but without compromises and with recognized Trafomatic house sound, that so well accepted and carried across our complete product range. The audio inputs are bridged at 20 kW and accept either an unbalanced or a balanced audio signal. … Read more. “ You truly need to experience an EVO 400 to believe it. Every gain stage boosts the volume of the signal so that it's useful to the next device in the signal chain. , from 10 mV to 1 V) but no significant current gain. 1130 Stereo Preamplifier Date of manufacture : Jan 87 - Feb 89 • Overload-proof line-level inputs for digital disc and tape. flyer - Jeepo65. The Tonecraft 363 is the player's answer to the traditional DI box. The new design uses double shielded low noise toroidal transformers in external supply connected via aviation. If you want to do that, they make phono player preamplifiers that will boost the signal much more than this box will and better match the impedance of those older phonos. Amplify the tiny signal from the cartridge from phono level that varies between 0. The way I would look at the difference is to determine the functional difference of what is happening at each device. Saša Čokić new creation comes in the form a all new line preamplifier in two chassis and priced below 10k. Here are some things you should know about preamps:. Connect your turntable to line-level devices. box to connect to the mic-level inputs of a p. Dimensions: 18" W by 21/4" H by 13. -69dBV of mic signal, increased by +60dB of preamp gain, equals an output level of -9 dBV. And added plus is that, since I put the line preamp in an accessible location, I can turn the subwoofer up or down to taste without having to climb back behind it (and run the risk of messing up other settings). If you try to record the signal directly from a microphone, without running it through a preamplifier, it will be very quiet. The ET6 line-stage is a "baby" version of our flagship line-stage preamplifier, the GAT. However, I was not the least bit interested in either the XP-15 or the XP-20 because I did not view them as actual "successors" to the X0. This box is only to amplify RCA line-level (usually 1-2V peek) signals by 15 db or less. Coil Audio: CA-70 PS2 Mic/Line Preamp Reviewed by Adam Kagan Coil Audio is a company in Lawrence, Kansas, that manufacturers retro, vintage-styled, industrial-looking mic preamps, audio transformers, and accompanying power supplies and chassis. To maximize versatility, the preamp includes two. Line Level Preamplifier (1993) add a review. For the DIY enthusiast who wants to build his own preamplifier, we have the parts to enable that endeavor - again in the two versions, Standard and Premium, to meet your needs. LARA implements 6N30P tubes for best linearity, transparency and musical impact. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving. Here is a line level preamp with this option: CD and AUX can be 0db or -20db as you can see, actually this is a first preamp i’ve seen with this option. The Phono has two gain settings and five loading settings to allow for suitable cartridge matching. Prescott, AZ. But I do know that some mics, like Ribbons have such low output impedance and output levels that they really need the impedance bridge that they were designed for (and a true hi gain preamp) to work as intended. Bellari PA555 Line Level Preamplifier [PA555] - Other Accessories: How many times have we all heard the left-handed compliment about an audio component when someone says it sounds “really good for the money?” The inference is that even though it sounds really good, it doesn’t sound all that good because it just doesn’t cost as much as the high-priced. The Anthem STR preamp and power amplifier emphasize fidelity first armed with the latest in 32 bit DSP, ARC room correction, and oodles of power reserves on tap. 0V - Level 2 1. There are 4 line level inputs and an MC input. Input impedance: 48. There are weaker signals such as those from microphones (Mic Level/Microphone Level) and instrument pickups (Instrument Level), and stronger. Microphones and line-level sources are connected on the rear panel, whilst instruments are plugged directly into the front panel. But, as we all know, features and. 0 replaced the company's first product, the Doshi Line Preamp. “ The PrimaLuna EVO 100 Tube DAC, a blockbuster component and musical triumph, leapfrogs dozens of DACs to virtually achieve state-of-the. the “standard” operating level of your recording gear. 99 Your price. Attenuation is via an ALPS motorised p. In an audio system, they are typically used to amplify signals from analog sensors to line level. Works perfectly. SG-810 - Our top model is a multi-function preamp and full function Strain Gauge Preamp; It features the SG function plus 4 line inputs & tape monitor, Front panel "touch" & Remote control input switching, volume, mute and power with full Strain Gauge performance displays and lighting intensity control (auto room adjust or manual "linear. The LA-4 makes a perfect combo with either the Masterclass or Sapphire power amplifiers. The power supply of the HP 300 SE consists of the external transformer with optimized isolation characteristic to keep line noise extremely low. Key Features. Conrad Johnson ET5 Vacuum Tube Line Stage Preamplifier Sunny Components Inc,Tue, Wed, Thur, Fri 10. The small size and attached mounting tabs make it easy to install the amplifier in the wall, directly behind video displays or in equipment racks. " I'll reveal the true identity of X-10D in a moment. In order to get to a line level signal to drive a mixer or general purpose amplifier will require a preamp with a gain of abut 60dBv. 0 is a passive device. The Orpheus (211) 15w monoblocks were $3,600/pair. Strictly used as a line level preamplifier, it punches far ahead of its asking price and is in many ways a testament to the design quality McIntosh Labs provides. lumbar puncture n. You can use a DI to take a line level keyboard or mixer output and bring it down to mic level to plug into a mic preamp for example. Email Address. But, let's assume that you have a mixer that has line-level inputs in addition to mic-level inputs - a Mackie 1202 for example. Type: single-ended valve line preamplifier. And it will present a source impedance to the mike preamp that's very close to 150 ohms, which is what most preamp are expecting. Normally, a pre-amplifier's input selector switch is physically situated on the front panel. Cascade Audio L22 - Custom hand-Built Line Level Tube Preamplifier - $1600 (Sacramento) < image 1 of 13 > more ads by this user. But I do know that some mics, like Ribbons have such low output impedance and output levels that they really need the impedance bridge that they were designed for (and a true hi gain preamp) to work as intended. International buyers welcome! We speak 4 languages. They are also typically TRS connectors. A check or money order is fine. Starting with 6 line level inputs and the previously mentioned MC/MM phono input, the C 165BEE also includes a superbly designed tone control circuit. This phono stage has about 55 dB gain at 1 Khz, and another 20 dB at 20 Hz, and when you add 10 dB or so on a line stage preamp and another 30 dB with a power amp you end up with 115 dB of voltage gain, which is getting up toward a. “ You truly need to experience an EVO 400 to believe it. Gain: 10dB (x3). Increase the bass and decrease the treble to achieve a flat frequency response (RIAA Equalization). The circuit uses output transformers and a sophisticated full valve rectified, choke smoothed, regulated power supply including a 300B. The balanced signal makes it easier to cancel out the noise, leaving a 'clean' signal. I think you would be fine going into line inputs and using the unison channel strips on the non-unison inserts. The second is that the preamplifier should have such parameters as musicality, brightness, warmth, and transparency of the signal. LARA line preamplifier follows the Trafomatic Audio ultimate pursue for the highest musical reproduction, but at more affordable price, that open up the doors of pure musical enjoyment to wider audience. 12AU7 Line Preamp. In some ways it serves the same purpose as a buffer amp. The XP-12 is the replacement for the XP-10, which had been their entry level, reference, one-box line level preamp for nearly a decade. Posted 27th December 2016 at 01:33 AM by rjm (RJM Audio Blog) Updated 27th December 2016 at 11:11 PM by rjm. While it uses the same rugged build and thick glass as other JJ preamp tubes, this tube differs in construction from the typical 12AX7 in that it features a medium-long plate, which provides a dynamic and open sound with a rich forward sounding mid range. The instrument input is the most variable signal and does require a preamp to be raised to. Ok , so we have line level (about ½ - 1 volt) which goes into an amplifier to make it up to speaker level (about 10 volts or above). It controls the rest of the system and everything flows through it. Many modern mic preamps assume the mic is a condenser mic with a "hot" output level. The preamp out will almost certainly be line level, and if it is, then yes you can hook it straight up to your mixer. PP400 Ultra-Compact Phono Preamp Converts your phono signal to a line level signal State-of-the-art phono preamp to accommodate all magnetic pickups Dedicated RCA and1/4" TRS output connectors DC 12 V adapter included High-quality components and exceptionally rugged construction ensure long life…. 8 out of 5 stars 244. Minor shadows on upper cover of the preamp unit (see picture number 7) 100% perfectly working. But, those aren't hard rules. The optional adjustable phono stage model allows enjoyment of vinyl at a sophisticated level without the need to purchase a specialised phono preamplifier. The word preamp can mean two things: a) the preamplifier circuit within any device b) a dedicated external device containing such a circuit. Basically, if that diagram is from your AVR, then it really looks like this AVR isn't intended for the ability to add an amplifier (no multi-channel/full range pre-amp outs). Line inputs expect to see a certain signal which is different than mics or guitars. The front panel’s input level pot boosts the line/instrument input signal from 0 dB to 35 dB or the microphone input signal from 15 dB to 70 dB. T3 phono preamp is designed for home MM(moving magnet) turntable record players to convert phono signals to line level signals. We are proud to bring the Verve vacuum tube line stage preamplifier to production. Starting with 6 line level inputs and the previously mentioned MC/MM phono input, the C 165BEE also includes a superbly designed tone control circuit. The 1073 OPX takes the legendary Neve sound to the next evolutionary level. The way I would look at the difference is to determine the functional difference of what is happening at each device. 8 out of 5 stars 19 $1,429. LARA – Line level preamplifier Trafomatic Audio LARA line level preamplifier We’ve been repeatedly asked to introduce a line level preamplifier with more affordable price sticker, but without compromises and with recognized Trafomatic house sound, that so well accepted and carried across our complete product range. This Hi Fi. The preamplifier boosts the mic-level signal up to the same strength of a line-level signal, i. can you plug a guitar into the line-level input of preamp? if I search for info about guitar impedance, I find lots of docs about needing a d. Because I've been making a study of preamplifiers, listening to as many as I can lay hands on, I decided to give that model a listen. - Two channel high end audio preamplifier - Front panel jack for portable MP3 player with 12dB auto gain offset to match levels of other sources - 7 pairs of line level inputs - 1 input pair can be switched for MM or MC phono cartridge with correct input impedance - Can add to an existing surround system to upgrade analog 2 channel sound - More. McIntosh’s Flagship C1100 Tube Preamplifier Sets more than one benchmark! By Jeff Dorgay Ubiquitous as the silhouette of the V-Twin engine on a Harley Davidson motorcycle, McIntosh Labs’ top products all feature a pair of blue output level meters, joined by a bright green, backlit glow of the controls adorning the thick glass-front panel. Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving. Use the level trim to push your preamp harder for coloration without distorting the compressor inputs. Solid-State Preamp featuring Phase Switch, Input Level Control, Boost Footswitch with Variable Boost Level Control, Variable Notch Filter (40Hz to 500Hz), Variable Hi-Pass Filter (40Hz to 200Hz), Fully Active 4-Band EQ Controls (+/- 12dB of Bass, Low-Mid, High-Mid & Treble) with Sweepable (variable) Low-Mid (150Hz-1800Hz) & High-Mid (300Hz. Fully differential means that the. I recently added a amplified Bazooka Tube. The preamp kit is based around a common 12AX7 dual triode. The unit will ship in the original manufacturer’s box and packing. Built to take a beating on the road, the EP-101 means you can leave your fragile vintage pedal at home. Click below to view the "melos audio ma-110b tube/line-level" valuation report; including current used pricing and market data* Gather price information about this preamplifier and many others before you buy, sell or trade. The purpose of a preamp is to amplify low level signals to line level, i. 5 Vrms ACR-2 (optional) LC1i 2 2 N N 2 Y 20 Hz - 50 kHz N N. But PrimaLuna uses two 5AR4 rectifier tubes in their dual-mono design. Gain: 10dB (x3). Because you now have a massive drive level going into the radio. Gain: 25 db. 1 Signature is a direct replacement of the LL1 Signature which has been the ultimate statement of perfection among the line level LAMM preamplifiers since its introduction in 2010. 0 replaced the company's first product, the Doshi Line Preamp. LINE level sources are much-amplified signals over MIC (microphone) level signals. So we've written a few posts on analyzing preamplifiers and amplifiers but whenever I hear someone saying that they're setting up a preamplifier and amplifier, it makes me wonder what the difference is between them. During the testing process, finding a flaw in this product was pretty difficult as the preamp perform exceptionally well. can you plug a guitar into the line-level input of preamp? if I search for info about guitar impedance, I find lots of docs about needing a d. Great vintage Tube sound preamp for mics, guitars, & line level applications too! Fully tested & cleaned, great condition, includes owners manual on CD & its a cool retro piece of gear too. Make sure to measure the voltage at the correct connectors (+ and -). 4B Line-level Preamplifier! asking for $300. Being the pride and joy of Audio Note preamp line, the audio circuit of the “Level 3” M3 preamplifier is hand made and hard wired, using Audio NoteTM tantalum resistors, Cerafine filter caps, pure copper foil signal capacitors and Black Gate de-coupling capacitors. Instrument DI high source input with jack located on front panel. 1 proudly continues this tradition. The XP-30 generates less noise, crosstalk and distortion while delivering greater dynamic range, gain, output voltage and output current. Discussion Starter • #1 • Oct 6, 2008 (Edited. Includes a 12V DC adapter. Audion Premier Quattro line level preamplifier is available in our Uni-chassis', and includes an MC stage for even the most sensitive of cartridges, it is a true high-end, high quality product capable of handling a massive array of sources. " 1-Dave Hunter First Stage Pentode Preamp. When a CSS is applied at both the line and phone level, the CUCM will check the call against the line-level CSS first. The amplified signal is known as line level. Nope – This preamp runs with the best in the business in both categories. Monique has two outputs: Line Level output (1/4" Single Ended TRS) and a separate XLR balanced DI output that is driven by a beautiful Cinemag transformer. By any measure, it is a superb piece of. Active level control preamplifier for subwoofer level control or audiophile-grade, full-range volume control; For use as a subwoofer level control of a full-range volume control; Top-quality active circuitry; Minimizes (if not eliminates) the chance of having unwanted noise; The control knob sends the volume level signal to the preamp circuit. A line level amplifier amplifies a signal to compensate for signal loss due to long lines. The larger output stage makes longer, and multiple cable runs easier to drive and gives us the advantage of simplifying our single ended output circuitry while increasing performance. The heart of this tube preamplifier we utilized a 274b rectifier also making it possible for you to roll tubes like a 5u4 or 5r4 rectifier. In this article we will read that what is the difference between Preamp and Amp. The gain circuitry continues to use our favorite transistors from Toshiba but has a larger higher biased output stage similar to the XS preamplifier auto bias. Such a subwoofer has line-level inputs (which are fed from the preamplifier), line-level outputs (which drive the power amp), and a volume control for the subwoofer level. For more technical information on Preamps, take a look at Wiki. Line switchers select between the outputs of line level output devices, such as mic preamps, recording interfaces, or mixing consoles. In the recording industry, though, there is often some finagling to be done to get our signal from Mic Level to Line Level. It only provides volume attenuation and source selection (and maybe channel balance). The line level (Hi-Fi) version of the kit has the gain set at 4 (6 dB). Sat-10am-4pm Closed on Sunday and Monday. A DI box will not bring the signal to "line level". An audiophile preamp accepts audio inputs (mostly analog), switches the inputs and raises the level of the selected input from line level to a point where a power amplifier can boost the sound to a more meaningful volume. Like other Quicksilver products, the solidity of presentation, that is, dimensionality, imaging, and soundstaging, are quite remarkable. The LA-4 makes a perfect combo with either the Masterclass or Sapphire power amplifiers. 534, it produced engaging, detailed, tonally captivating, utterly natural sound that approached reference quality. The Audion Premier line level pre-amplifier 0. 5 Vrms ACR-2 (optional) LC1i 2 2 N N 2 Y 20 Hz - 50 kHz N N. 4B line-level preamp asking for $300. These accept line level. It has only two digital inputs (USB and TosLink) and retails for $1,795. Passive preamp: a preamp that does not contain any active electronics, and usually does not supply any gain or buffering. The audio inputs are bridged at 20 kW and accept either an unbalanced or a balanced audio signal. Schematic by Bruce Rozenblit (Glass Audio 1991). PwrON AC TO DC Adapter For Pyle Pro PP-999 PP999 Ultra Compact Phono Turntable Pre-Amp Converts Phono to Line Level Pre-Amplifier Preamp Power Supply Cord PwrON is specializing in the production of high quality and economical replacement power supply for laptop ,tablet,phones and other electrical appliances. We developed this line stage to complement our single ended triode amplifiers. 5dB steps of volume and balance. Dimensions: 18" W by 21/4" H by 13. This box is only to amplify RCA line-level (usually 1-2V peek) signals by 15 db or less. A microphone preamp amplifies the signal from mic level to line level. Great vintage Tube sound preamp for mics, guitars, & line level applications too! Fully tested & cleaned, great condition, includes owners manual on CD & its a cool retro piece of gear too. They deliver a usually amplified line-level signal, generally to a power amplifier. C02Xbrings a true dual mono design to thoroughly eliminate mutual interference between channels, further also to prevent contamination of the noise via the power line with the use of dedicated power transformer for both of the left and right channels and enabling a clean, pure gain. -69dBV of mic signal, increased by +60dB of preamp gain, equals an output level of -9 dBV. This is a strong little Preamplifier and well worth it for the money because of what it is. This should be used whenever using a microphone with your interface. Esoteric Grandioso C1 Line Level Preamplifier. The preamp performs its job of converting the phono signal to a line level signal very amazingly. There are two possible ways that I can see to run the sub. paypal adds 3%. 534, it produced engaging, detailed, tonally captivating, utterly natural sound that approached reference quality. line management synonyms, line management pronunciation, line management translation, English dictionary definition of line management. Here is a line level preamp with this option: CD and AUX can be 0db or -20db as you can see, actually this is a first preamp i’ve seen with this option. This turns the L1 into a True Monaural Extended system, providing the preamplifier with 16 as opposed to 8 inputs, if required "This exceptional… line-level preamplifier is a contender. The Eastern Electric Preamp does not hide that it is a tube preamp. Dimensions: 2" H x 8" W x 5. Pyle Pro's PP999 connects to any turntable output to bring the phono level up to line level. Tube Preamplifier Audio from the head-amplifier is a single silver-in-oil capacitor, to the 6SN7 grid. 1130 Stereo Preamplifier Date of manufacture : Jan 87 - Feb 89 • Overload-proof line-level inputs for digital disc and tape. Increase the input sensitivity control until the desired voltage (determined in Step 5) is delivered. I recommend this preamplifier for line-level stereo volume boosts. In very good condition. Since mic level signals are inherently weak, the preamp is needed to amplify it to a higher level. In this article we will read that what is the difference between Preamp and Amp. Offered in both solid state and vacuum tube designs, all McIntosh preamplifiers are easy to operate, flexible, and offer the highest level of audio performance available. ET7-S2 Enhanced-Triode Preamplifier The ET7-S2 enhance triode line-stage preamplifier has been designed to incorporate the advances made with the Series 2 upgrade to our flagship GAT into a more affordable model. The unit features input selection and level adjustment by microprocessor-controlled relays. The Pure XLR Preamp is specially designed to complement our line of Pure pickups. With almost 10 times the output current capability of the previous Line Stage it will drive any amplifier input impedance and interconnect cable with ease. The RC-1590 stereo preamplifier has been engineered to the highest audio performance levels and provides an incredible level of control and flexibility for the user. This is a single ended stereo line level input tube preamplifier. The Apt Corporation's Holman Preamplifier is the most well thought-out stereo preamplifier ever designed.