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Audio Research's first 21stcentury, audiophilequality linestage preamplifier combines retrotech vacuumtube amplification and powersupply circuitry with innovative, remotecontrolled gain, balance, tape monitoring, and signal routing The price is also 21stcentury $9995 As in ARC's Reference phono section, the Reference Two's pair ofHigh End Audio Repair (Hear LLC) specializes in Audio Research factory authorized repairs and custom upgrades Expert service by Ben Jacoby includes repairs and modifications for Audio Research amps, preamps, CD players, CD transports and D/A convertersA Tuneup for the Audio Research SP4/4A Preamp Introduction The ARC SP4 preamp was ARCs first solid state preamp It was controversial at the time and some say it almost destroyed the company Opinions about the sound quality are all over the map but based on dealer comments and my listening, it wasn't exactly world class

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Audio research sp-14 mods-Valved Audio Research LS15 line preamplifier Excellent condition Fully operational remote, though this has some minor signs of wear Fitted with 4 new output valves about 100 hours of use ago Also included, if wanted, are singleended to XLR plugs which allows Direct (see pic) operation fromMany consider Audio Research founder William Z Johnson to be the father of modern high end tube audio When mainstream audio companies were going solidstate, Audio Research was determined rather to produce superior sounding vacuum tube amps

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First owner owned for 6 months and he upgraded to Audio Research reference modelThe SP14 will stay in my other system until I stumble upon a better sounding preamp, which will be awhile as I am concentrating my attention on the main system at the moment 1 Photo MainVPI TNT V, SME V, Koetsu Urushi, Vendetta SCP2D, Conrad Johnson Premier 14, Conrad Johnson Premier 11a, Wilson Maxx 2, Inouye power conditioner, Moon 280D DACAudio Research did a factory upgrade for me at no charge when unit was almost 2 years old Both the unit and the Company are top notch I have since upgraded to an LS15 but won't part with my SP14 for its phono section

Up for sale is Audio research sp10 preamplifier is in very good condition ,original,no modification Seperated power supply Two phono out put It is still be very good pre amp compare the modern make preamp More pictures upon requestedPreferred pick up only Accept payment, cash, e transfer, bankFirst owner owned for 6 months and he upgraded to AudioMagnetic phono ±25dB of RIAA, 30Hz to kHz;

Inside, the 1002 reflects the latest design strategies from Audio Research engineers Highimpedance (ie easy to drive) JFET input transistors feed a single gain stage (for more sonic purity) using selected oversized MOSFET devices in a complementary configuration providing 275 dB of gain with tremendous dynamic headroomPreOwned C $2, From United States or Best Offer C $ shipping 22 watchers Medel's 2 Audio Research SP3 Gold Pin Genalex Tube Sets 12AX7/ECC/59It had a silver faceplate just like the others, but this one said "Audio Research FM1″ on the front It was a Dynaco FM3 tube tuner with custom mods and a special Audio Research faceplate Go figure –Kurt Doslu Ed Note Kurt Doslu is the owner of Echo Audio;

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Audio Research SP14 Stereo Tube/Hybrid PreAmplifier $1, $5000 shipping 27 watching Audio Research LS22 Stereo Tube Preamplifier with Manual in Box Great $1, $41 shipping or Best Offer 10 watching Audio Research Amplifier VT 130 $1, $ shippingFirst owner owned for 6 months and he upgraded to AudioMy current system includes a Linn table with Lyra Delos cartridge, a Rega Apollo CD player, Audio Research SP14 hybrid preamp (one tube in the phono stage), and a Hafler DH0 amp (that I built from a kit in 1980) driving MartinLogan Aeoni electrostats with a MartinLogan subwoofer

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The SP14 preamp is especially good for vinylphiles The phono section is excellent when a high quality low noise tube is employed (type 6DJ8/6922) Detailed yet smooth from top all the way down As most ARC equipment, it imparts a nuetral "grey" personality, as opposed to a more "yellow" color of CJ gear, for exampleThis is a magical pair of Audio Research Components We restored the Signal path with Mundorf Silver Gold Oil Capacitors in both the LS15 and PH5 The PowerI've been helping Jupiter Audio Research out on the side to help them dial in their finalized mod for the HD650 I think I just packed up about 10 iterations to finally send back It's a mountain of HD650 drivers!

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456 results for audio research Save this search The Ultimate EAR 4P Deluxe EAR MM & MC GNSC mods w/ Black Gates!Audio Research SP14 Preamplifier Ser www2ndhandhificoukI have just seen this thread I only really know the LS15 well, but the SP16 replaced it and by all reviews was a decent preamp Audio Research phono sections are used by lots of people there are plenty of SP9's still kicking about

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My current system includes a Linn table with Lyra Delos cartridge, a Rega Apollo CD player, Audio Research SP14 hybrid preamp (one tube in the phono stage), and a Hafler DH0 amp (that I built from a kit in 1980) driving MartinLogan Aeoni electrostats with a MartinLogan subwooferAudio Research SP14 Audio Research SP14 Stereo Tube / Hybrid Preamp I upgraded to Wavestream Kinetics line and phono tube preamplifiers so this SP14 is now sitting on the shelf I am the second owner and owned it since 1990;Mods and Repairs Fox Audio Research provides upgrades to inexpensive tube microphones such as the Apex 460, Nady TCM1150, and Aurycle A5500 The modifications are patterned after three wellknown vintage microphones the AKG C12, the Telefunken Ela M 251, and the Neumann U 47 All the FAR mods include component upgrades

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Eminent Technology II arm with fluid damper, WISA Audio pump, and Airtech tank;The SP15 does everything well, has good controls, and the amazing Audio Research quality of construction, but for me the sound is too "solid state", whereas the SP10 has the perfect balance of liquidity / smoothness and detail There are by the way, only 3 tubes in the SP15 as compared to 17 in the SP10 and I've found that I always prefer theUpstairs System Benchmark DAC2 HGC and Mytek Brooklyn, Sony SCD777ES, Audio Research VT100 with KT1s, Wilson Audio TuneTots on Wilson Stands XV1 WellKnown Member May 24, 10 2,243 595 570 Sydney Mar 13, 16 #27 TW AC with BN mods, Garrard 401 TonearmsDurand Talea2, Kairos , Ortofon 309D CartridgesMC Anna,Etna SL, Miyajima Madake

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The VCap mod transformed the venerable SP11 into, possibly, a world class preamp Inner detail is much improved, to a similar degree that I experienced when going from the ZYX Airy2 to the UNIverse The mod was so successful, that a friend of mine insisted that I perform the same mod on his SP11 MkII The MkII has even more caps to replaceAssociated Equipment Front End Audio Technica ML170 and Grado Signature TLZ cartridges;The VCap mod transformed the venerable SP11 into, possibly, a world class preamp Inner detail is much improved, to a similar degree that I experienced when going from the ZYX Airy2 to the UNIverse The mod was so successful, that a friend of mine insisted that I perform the same mod on his SP11 MkII The MkII has even more caps to replace

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Audio Research SP14 Audio Research SP14 Stereo Tube / Hybrid Preamp I upgraded to Wavestream Kinetics line and phono tube preamplifiers so this SP14 is now sitting on the shelf I am the second owner and owned it since 1990;My current project is upgrading Wondercaps in my Audio Research D400 MkII to Dynamicaps each output device in this amp and in my LS1MkII has it's own 01mfd local power supply bypass (from the factory), in order to deliver clean instantaneous current when the music demands itThe VCap mod transformed the venerable SP11 into, possibly, a world class preamp Inner detail is much improved, to a similar degree that I experienced when going from the ZYX Airy2 to the UNIverse The mod was so successful, that a friend of mine insisted that I perform the same mod on his SP11 MkII The MkII has even more caps to replace

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I'm trying to decide on how to replace my Plinius 90 with separates I have a 70's era SP6 and I'm wondering if it's worth servicing and keeping, or are there other tube pre amps (Audio Research or otherwise) worth looking for used (12K range) Also have a AR D52B that I will definitely be replacing Totem Forest speakers Rega P3 ExposureThe GFA555 MkII has been replaced with a Parasound HC0 A new turntable purchase led to the desire for a better phono preamp better than the stock design in the SP6 Time constraints, as well as the limited available space in the SP6 for a more sophisticated design, led to the purchase of an Audio Research PH5 hybrid phono preampAudio Research SP14 and VTL Super Deluxe preamps;

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Here's part of a letter from a veteran reader, and past contributor, who has modified his Audio Research SP11, a highgain preamplifier that we've advised for years (with some minor editing and my bold) "I'm the guy that was modifying my SP11 by replacing all 28 of the stock 01 uf bipass "Wonder Cap" capacitors with VCaps TeflonsGreat deals on Audio Research Home Audio Amplifiers and Preamps It's a great time to upgrade your home theater system with the largest selection at eBaycom Fast & Free shipping on many items!This is a magical pair of Audio Research Components We restored the Signal path with Mundorf Silver Gold Oil Capacitors in both the LS15 and PH5 The Power

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View and Download Audio Research SP14 owner's manual online Audio Research SP14 preamplifier SP14 amplifier pdf manual downloadWhat started as an intention to get an integrated doeverything solid state box with phono onboard to accompany my 10mk2 for a super tidy turntable setup has morphed into the attached combo of an Audio Research SP9 mk2 and Audio Research VS55 and valves bloody everywhere!VPI HW19 Mk IV turntable with PLCElectronics Philips CDV 4 CD/CDV player (Perfectionist Audio mod);

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(And one pair of HD600 drivers, which may or may not get a mod too)Portland's premier used HiFi shopTubes 4 HiFi is also known as Vacuum Tube Audio Our best known product is the VTA ST70 PCB modification for the Dynaco ST70 amplifier, that first appeared in a Glass Audio magazine article in 19 You can purchase any of our products here from these web pages, making payment with a credit card through PayPal, or sending us a money order

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Audio Research SP14 preamplifier The name "Audio Research" will be familiar to many readers of this magazine It belongs on the list of that select group of manufacturers who continue to offer the audiophile and music lover equipment which enables him or her to truly enjoy the muse With equipment of this caliber, one is no longer caught up in the anxietyinducing process of listening to (evaluating) the equipment used in the presentation of the musicAudio Research SP 12RM (Rack Mount) tube stereo preamplifier Specifications Frequency response High level section ±5dB, 4Hz to 30kHz 3dB points below 1Hz and above 70kHz;Audio Research SP14 Audio Research SP14 Stereo Tube / Hybrid Preamp I upgraded to Wavestream Kinetics line and phono tube preamplifiers so this SP14 is now sitting on the shelf I am the second owner and owned it since 1990;

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Audio Research SP Specifications Frequency response 2Hz to 80kHz Total harmonic distortion 0003% Gain 58dB (MM), 138dB (line) Signal Audio Research SP Add impressionsAudio research SP14 Pdf User Manuals View online or download Audio research SP14 Owner's ManualMuch more than a mere carriagetrade brand name, the Audio Research marque has come to represent stellar performance and lasting value for music lovers and audio enthusiasts everywhere Call us Latest News Audio Research Announces Making The Music Glow August ,

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Mods and Repairs Fox Audio Research provides upgrades to inexpensive tube microphones such as the Apex 460, Nady TCM1150, and Aurycle A5500 The modifications are patterned after three wellknown vintage microphones the AKG C12, the Telefunken Ela M 251, and the Neumann U 47 All the FAR mods include component upgradesDistortion (THD)Harmonic distortion Less than 02% at 2V RMS output, Hz to kHzARC Classic 60 and VTL Deluxe 226 power amps

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In this project, we mod an R2DU to make it a doubleFKR, or, an eightknob Rat fuzzLab Jr A fuzz with 10 knobs, sort of the junior version of the original fuzzlabAudio Research Manufacturing Facility In Pursuit of Sonic Perfection Designing and Building HighEnd Audio Components With Surgical Precision Experience is a great teacher Expertise comes through repetition and nothing in life imparts and inculcates knowledge more forcefully than repeatedly doing the same thing over and over againAudio Research SP14 Preamplifier Ser www2ndhandhificouk

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In July, 02 I picked up a 1978 Audio Research SP6 preamp Here is a photo from the original Ebay ad where I found and bid on it The unit was in very good condition but badly in need of repair This preamp had an above average power supply with 11 large twistlok can capacitors All of these capacitors needed replacementAudio Research SP14 rebelsoul Posts 177 January edited January in For Sale (FS) Classifieds Mint condition 8 out of 10 $1,0 Will post pics tomorrow Will answer any Questions and take lots of pics will ship double box Don't have original box Have original owners manualAudio Research SP14 Stereo Tube/Hybrid PreAmplifier $1, $5000 shipping 11 watching Audio Research SP5 Preamplifier, Recapped, 1v or

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Here's part of a letter from a veteran reader, and past contributor, who has modified his Audio Research SP11, a highgain preamplifier that we've advised for years (with some minor editing and my bold) "I'm the guy that was modifying my SP11 by replacing all 28 of the stock 01 uf bipass "Wonder Cap" capacitors with VCaps TeflonsSo the JMod is comparable to (or better) than headphones costing up to 3X its price The JMod impresses me as a sonic overachiever that pushes the limits of midfi, even getting into highend sound Pricing/Contact Info JMod is the brainchild of Jupiter Lee at Jupiter Audio Research (@ext1 on HeadFi)

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