Preamplifiers

Audio Research

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Audio Research LS28SE

LS28 factory upgrade to LS28SE less than a year ago. Still under warranty with new tubes! (though warranty doesn't transfer). Original tubes, remote, manual, packaging included plus new tubes and 'aluminum brick' remote. Fantastic shape and just getting broken in, but I came across a Reference...

LS28 factory upgrade to LS28SE less than a year ago. Still under warranty wi...

$6,500.00

Tube

18 Days Left

Audio Research LS-12

LS-12 solid-state preamp in great shape. I've owned/listened to many preamps in my day, and this has been my favorite one, but I have to downsize and sell it after all these years. Great soundstage depth and width. Comes with box and manual and even original warranty envelope with 33cent stamp on...

LS-12 solid-state preamp in great shape. I've owned/listened to many preamps ...

$1,700.00

Solid state

30 Days Left

Audio Research Reference 3

For sale is a audio research reference three in excellent condition. Unit has been tested to ensure it is in perfect working order in condition and comes complete with original box and accessories. Please call with any questions at 773-720-1542.

For sale is a audio research reference three in excellent condition. Unit has...

$4,500.00

Tube

30 Days Left

Audio Research Reference 3

Audio Research Reference 3 pre amp for sale. We sent it to the factory to have it completely gone through. Comes with a brand new set of tubes from the factory as well as the original box and packing. Illinois residents and local pickup must add 10.25% sales tax. _____________________________...

Audio Research Reference 3 pre amp for sale. We sent it to the factory to ha...

$4,500.00

Tube

28 Days Left

Audio Research Reference 3

Used Audio Research Analog Tube Preamplifier In Good Cosmetic & Working Condition. Please Feel Free to Call Take 5 Audio Directly At (203) 777-1750

Used Audio Research Analog Tube Preamplifier In Good Cosmetic & Working C...

$4,950.00

Tube

23 Days Left

Audio Research Phono PH9

One owner Audio Research Phono PH9 still under warranty (warranty does not transfer). Includes everything that it originally came with plus a new 'brick' remote as well which is over 300 from ARC. There is a matching LS28SE also for sale from me on Audiogon, make a package bid! This thing is f...

One owner Audio Research Phono PH9 still under warranty (warranty does not tr...

$5,000.00

Phono

22 Days Left

Audio Research Reference 6

Offering is Audio Research Reference 6 Stereo Tube Preamplifier. 1 careful owner. Condition is mint and lightly used. Only 278 hours on tubes. Operation and performance are flawless. Also selling a matching Audio Research GS150 Stereo Tube Power Amplifier. It comes with original brand new rem...

Offering is Audio Research Reference 6 Stereo Tube Preamplifier. 1 careful o...

$8,650.00

Tube

3 Days Left

Audio Research GSPre Preamplifier w/Phono Stage

Audio Research GSPre Preamplifier - Excellent Condition, Retubed in the past year Enhance your audio system with the Audio Research GSPre, a pinnacle of preamplifier performance that promises unmatched sound quality and versatility. This unit, renowned for its detailed, rich, and expansive soun...

Audio Research GSPre Preamplifier - Excellent Condition, Retubed in the past ...

$6,000.00

Tube

28 Days Left

Audio Research ph3 TUBE Phono preamp

Audio Research PH3 tube phono amp. Amazing sound. Very detailed and quiet. In excellent shape, no dents or scratches. Ready to plug and play.

Audio Research PH3 tube phono amp. Amazing sound. Very detailed and quiet. In...

$900.00

Phono

19 Days Left

Audio RESEARCH D115 MKII & SP8

This listing includes my SP8 rev.4 & D115MKII preamp and amplifier both units are rack mountable I also have the owners manuals and original factory boxes this system was sent out three years ago to audio classics for calibration in addition to this gold RCA’S were added to the amplifier outp...

This listing includes my SP8 rev.4 & D115MKII preamp and amplifier both u...

$3,800.00

Tube

6 Days Left

Audio Research LS28 silver preamp

This Audio Research preamp is mint and complete with box books remote and whatever else is included from the factory. Please feel free to call with any questions 7737201542

This Audio Research preamp is mint and complete with box books remote and wha...

$5,800.00

Tube

30 Days Left

Audio Research LS28 silver preamp

This Audio Research preamp is mint and complete with box books remote and whatever else is included from the factory. Please feel free to call with any questions 7737201542

This Audio Research preamp is mint and complete with box books remote and wha...

$5,800.00

Tube

16 Days Left

Audio Research Reference Phono 2 SE

Second owner. Would qualify for 9 rating if I were original owner. Works perfectly with no discernable marks (a few smudges on plastic top) -- black frame. Original remote control. Hours at 2508 -- I believe much less on the 6550 tube but cannot find my records so will ship with new 6550 power ...

Second owner. Would qualify for 9 rating if I were original owner. Works per...

$5,200.00

Phono

29 Days Left

Audio Research PH9 Phono Preamplifier | Natural [+New T...

>>Click here for product information<< **PLEASE NOTE: Brand new tube set included!** Buy with confidence knowing that your product will arrive safely, on-time, and in the condition described. Any used/demo products sold on Audiogon are not covered by a manufacturer's warranty. Howeve...

>>Click here for product information<< **PLEASE NOTE: Brand new ...

$6,750.00

Phono

16 Days Left

Audio Research REF 5 SE Silver Preamp complete....

This Audio Research preamp is mint and complete with box books remote and whatever else is included from the factory. Please feel free to call with any questions 7737201542

This Audio Research preamp is mint and complete with box books remote and wha...

$6,500.00

Tube

24 Days Left

Audio Research REF 5 SE Silver Preamp complete....

This Audio Research preamp is mint and complete with box books remote and whatever else is included from the factory. Please feel free to call with any questions 7737201542

This Audio Research preamp is mint and complete with box books remote and wha...

$6,500.00

Tube

16 Days Left

Audio Research Ref 3 Phono Vacuum tube preamp

Reference 3 Phono PreAmplifier, Vacuum Tube, Black finish Package both Reference 750 SE monoblocks, Ref CD9 Player and PreAmp $ 30,000 with new tubes $ 25,000 without. Sale or Trade - Quality Speakers, Power Conditioners or other I do not have original boxes, manual or remote. Prefer local pi...

Reference 3 Phono PreAmplifier, Vacuum Tube, Black finish Package both Refer...

$4,000.00

Tube

11 Days Left

Audio Research PH9 tube phono stage - mint customer tra...

Buy with confidence at www.perrottaconsulting.com selling high-end audio for 20 years. Top brands, great advice, new and used equipment available, we take trade-ins. Auditions available by appointment, feel free to call anytime (877-289-2014) or (914-714-9213) with questions about any of our gre...

Buy with confidence at www.perrottaconsulting.com selling high-end audio for...

$4,950.00

Tube

19 Days Left

Audio Research Reference 10 line tube preamp . Free shi...

For sell : Audio Research Reference 10 linestage preamplifier (comes with separate power supply) . Bought as new in 2021 . Installed in dedicated listening room (no smoke & pets) Finishing : silver faceplate . This is current flagship preamp of Audio Research . Voltage : 220-240 volts origina...

For sell : Audio Research Reference 10 linestage preamplifier (comes with sep...

$18,500.00

Tube

10 Days Left

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Audio Research

19 Listings

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Audio Research LS28SE

Audio Research LS-12

Audio Research Reference 3

Audio Research Reference 3

Audio Research Reference 3

Audio Research Phono PH9

Audio Research Reference 6

Audio Research GSPre Preamplifier w/Phono Stage

Audio Research ph3 TUBE Phono preamp

Audio RESEARCH D115 MKII & SP8

Audio Research LS28 silver preamp

Audio Research LS28 silver preamp

Audio Research Reference Phono 2 SE

Audio Research PH9 Phono Preamplifier | Natural [+New T...

Audio Research REF 5 SE Silver Preamp complete....

Audio Research REF 5 SE Silver Preamp complete....

Audio Research Ref 3 Phono Vacuum tube preamp

Audio Research PH9 tube phono stage - mint customer tra...

Audio Research Reference 10 line tube preamp . Free shi...

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Preamplifiers

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Audio Research

19 Listings

Boosted Listings learn more

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Audio Research LS28SE

Audio Research LS-12

Audio Research Reference 3

Audio Research Reference 3

Audio Research Reference 3

Audio Research Phono PH9

Audio Research Reference 6

Audio Research GSPre Preamplifier w/Phono Stage

Audio Research ph3 TUBE Phono preamp

Audio RESEARCH D115 MKII & SP8

Audio Research LS28 silver preamp

Audio Research LS28 silver preamp

Audio Research Reference Phono 2 SE

Audio Research PH9 Phono Preamplifier | Natural [+New T...

Audio Research REF 5 SE Silver Preamp complete....

Audio Research REF 5 SE Silver Preamp complete....

Audio Research Ref 3 Phono Vacuum tube preamp

Audio Research PH9 tube phono stage - mint customer tra...

Audio Research Reference 10 line tube preamp . Free shi...

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