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Audio Research VT100MKII Black Tube amplifier
Audio Research VT100MKII Black Tube amplifier

$2300.00

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AUDIO RESEARCH D300 POWER AMPLIFIER (GREAT CONDITION)
AUDIO RESEARCH D300 POWER AMPLIFIER (GREAT CONDITION)

$1699.00

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Audio Research D-100B and sP5 Preamplifier. Both Tested.
Audio Research D-100B and sP5 Preamplifier. Both Tested.

$1500.00

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Audio Research SP-9 Tube Preamplifier / Phono Pre (super clean)
Audio Research SP-9 Tube Preamplifier / Phono Pre (super clean)

$1200.00

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Audio Research D-60 Power Amplifier D60 110v Tested Audiophile Excellent RARE
Audio Research D-60 Power Amplifier D60 110v Tested Audiophile Excellent RARE

$824.50

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Rare Audio Research LS7 - Valve Pre Amplifier - Valves replaced in 2024
Rare Audio Research LS7 - Valve Pre Amplifier - Valves replaced in 2024

$975.98

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**READ** Audio Research D100 D-100 High Definition Professional Audio Power Amp
**READ** Audio Research D100 D-100 High Definition Professional Audio Power Amp

$329.99

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Audio Research VT80se Audiophile Balanced Tube Amplifier
Audio Research VT80se Audiophile Balanced Tube Amplifier

$5600.00

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AUDIO RESEARCH D130 POWER AMP
AUDIO RESEARCH D130 POWER AMP

$1201.00

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Audio Research D-125 Tube 2 Channel Power Amplifier Great Condition Strong Tubes
Audio Research D-125 Tube 2 Channel Power Amplifier Great Condition Strong Tubes

$2299.00

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Audio Research VT 100 MK II Tube Amplifier Iconic. Excellent Condition
Audio Research VT 100 MK II Tube Amplifier Iconic. Excellent Condition

$2700.00

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Audio Research D-76 Tube Amplifier, Fully Working and Tested, Low Distortion
Audio Research D-76 Tube Amplifier, Fully Working and Tested, Low Distortion

$1975.00

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Kinergetics Research Chiro C-300 High Current 3-Channel Power Amplifier
Kinergetics Research Chiro C-300 High Current 3-Channel Power Amplifier

$449.99

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Audio Research VSi75 Integrated Amplifier _ The Original Box
Audio Research VSi75 Integrated Amplifier _ The Original Box

$4581.00

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AUDIO RESEARCH D-100A Power Amplifier, POWER TESTED ONLY, AS IS
AUDIO RESEARCH D-100A Power Amplifier, POWER TESTED ONLY, AS IS

$339.00

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AUDIO RESEARCH amplifier PreAmplifier Spec Product Mailer 1987
AUDIO RESEARCH amplifier PreAmplifier Spec Product Mailer 1987

$24.99

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Hall Research EMX-I-AMP-M1 4K HDMI Audio Extractor With Audio Amplifier
Hall Research EMX-I-AMP-M1 4K HDMI Audio Extractor With Audio Amplifier

$449.95

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Audio Research D-120 Power amp.
Audio Research D-120 Power amp.

$1125.00

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Audio Research Ref 160M MkI Reference Monoblock Power Amplifier - Silver - PAIR
Audio Research Ref 160M MkI Reference Monoblock Power Amplifier - Silver - PAIR

$17995.00

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Audio Research VT-100 Tube Amplifier. El34 Tube Very Clean In Good Condition
Audio Research VT-100 Tube Amplifier. El34 Tube Very Clean In Good Condition

$2299.00

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Vintage Acoustic Research AR Model AU Integrated Stereo Amplifier Beautiful Wood
Vintage Acoustic Research AR Model AU Integrated Stereo Amplifier Beautiful Wood

$650.00

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Audio Research D52B D-52B High Definition Professional Audio Power Amplifier
Audio Research D52B D-52B High Definition Professional Audio Power Amplifier

$849.99

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Audio Research LS17SE Stereo Tube Preamplifier
Audio Research LS17SE Stereo Tube Preamplifier

$2646.00

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HSU Research HRSW12V Subwoofer Amplifier for home audio or computer audiophile
HSU Research HRSW12V Subwoofer Amplifier for home audio or computer audiophile

$148.89

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Audio Research 150M - 7 Channel Power Amplifier - 150 watts/ch - Audiophile
Audio Research 150M - 7 Channel Power Amplifier - 150 watts/ch - Audiophile

$2495.00

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Acoustic Research AR-AU Integrated Stereo Amplifier - For Parts/Repair
Acoustic Research AR-AU Integrated Stereo Amplifier - For Parts/Repair

$400.00

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VECTOR Research Stereo Power Amplifier VA-1450
VECTOR Research Stereo Power Amplifier VA-1450

$189.99

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Audio Research DS450M Solid State Audiophile Monoblock Amplifier - PAIR
Audio Research DS450M Solid State Audiophile Monoblock Amplifier - PAIR

$4495.00

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Hall Research AMP-4840 40 Watt Audio Amplifier with Microphone Mixer/RS-232
Hall Research AMP-4840 40 Watt Audio Amplifier with Microphone Mixer/RS-232

$339.10

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db Drive SPA 120.2 Amplifier Car AMP Speed Series Audio Stereo DB Research power
db Drive SPA 120.2 Amplifier Car AMP Speed Series Audio Stereo DB Research power

$39.00

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Hall Research AMP-7040 40W Audio Amplifier for 70/100V Systems with RS-232
Hall Research AMP-7040 40W Audio Amplifier for 70/100V Systems with RS-232

$431.06

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Audio Research Ref 750SE Reference Monoblock Power Amplifier - PAIR - Excellent
Audio Research Ref 750SE Reference Monoblock Power Amplifier - PAIR - Excellent

$29995.00

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New Acoustic Research AR-M2 flagship class DAC headphone amp hi res music player
New Acoustic Research AR-M2 flagship class DAC headphone amp hi res music player

$649.95

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Gray Research AM 10 tube Mono amplifiers And Matching Preamp, Both Singles.
Gray Research AM 10 tube Mono amplifiers And Matching Preamp, Both Singles.

$1000.00

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Audio Research VSi 60 Integrated Tube Amplifier ARC
Audio Research VSi 60 Integrated Tube Amplifier ARC

$2150.00

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ART AUDIO RESEARCH AND TECHNOLOGY TUBE MP STUDIO AMPLIFIER AMP MUSIC INSTRUMENT
ART AUDIO RESEARCH AND TECHNOLOGY TUBE MP STUDIO AMPLIFIER AMP MUSIC INSTRUMENT

$69.99

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audio research Ls25MKll High Definition Tube Pre Amp
audio research Ls25MKll High Definition Tube Pre Amp

$2299.00

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Audio Research VT200 Tube Power Amplifier
Audio Research VT200 Tube Power Amplifier

$3250.00

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Kinergetics Research Chiro C-500 5 Channel Amplifier Monster 140WPC
Kinergetics Research Chiro C-500 5 Channel Amplifier Monster 140WPC

$1500.00

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**READ** Audio Research D100 D-100 High Definition Professional Audio Power Amp
**READ** Audio Research D100 D-100 High Definition Professional Audio Power Amp

$399.99

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Audio Research Custom Made Aluminum Amplifier Badge
Audio Research Custom Made Aluminum Amplifier Badge

$8.95

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New Acoustic Research AR-UA1 hi def DAC headphone amp USB high fidelity audio
New Acoustic Research AR-UA1 hi def DAC headphone amp USB high fidelity audio

$159.95

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Audio Research Reference Ref 610t Monoblock Amplifier - Pair - 2 Sets of Tubes
Audio Research Reference Ref 610t Monoblock Amplifier - Pair - 2 Sets of Tubes

$17995.00

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Abbingdon Music Research Audio AMR-AM-777 INTEGRATED Amplifier NOS USB DAC
Abbingdon Music Research Audio AMR-AM-777 INTEGRATED Amplifier NOS USB DAC

$3052.53

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Kinergetics Research SW-200 subwoofer amplifier
Kinergetics Research SW-200 subwoofer amplifier

$100.00

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Moonriver Audio Model 404 Stereo Integrated Amplifier; MM & MC Phono
Moonriver Audio Model 404 Stereo Integrated Amplifier; MM & MC Phono

$2554.00

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Audio Research Classic 60 Amp with balanced input
Audio Research Classic 60 Amp with balanced input

$2250.00

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Audio Research DSi200 Stereo Integrated Amplifier; DSi-200
Audio Research DSi200 Stereo Integrated Amplifier; DSi-200

$2500.00

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Pair of Audio GD HE-2 MK2 Reference Mono Amplifiers 1000W Into 2 Ohms Mint!
Pair of Audio GD HE-2 MK2 Reference Mono Amplifiers 1000W Into 2 Ohms Mint!

$4995.00

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audio research amplifier chassis top panel [4*R-23]
audio research amplifier chassis top panel [4*R-23]

$75.00

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Audio Research I/50 Integrated Amplifier with Phono (Black, 220V), Made in USA
Audio Research I/50 Integrated Amplifier with Phono (Black, 220V), Made in USA

$5500.00

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Audio Research Reference 750 SE Monoblock Power Amplifiers; Pair w/ New Tubes
Audio Research Reference 750 SE Monoblock Power Amplifiers; Pair w/ New Tubes

$25420.00

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UNISON RESEARCH Amplifier Unico P 100VAC 340W 50/60Hz USED
UNISON RESEARCH Amplifier Unico P 100VAC 340W 50/60Hz USED

$1169.00

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NEW Audio Research AM-1 AM-2 Boards 2 Each PCB D-52 D-100 D-110 D-350 D-120 D-60
NEW Audio Research AM-1 AM-2 Boards 2 Each PCB D-52 D-100 D-110 D-350 D-120 D-60

$25.00

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ART AUDIO RESEARCH AND TECHNOLOGY TUBE MP STUDIO AMPLIFIER AMP MUSIC INSTRUMENT
ART AUDIO RESEARCH AND TECHNOLOGY TUBE MP STUDIO AMPLIFIER AMP MUSIC INSTRUMENT

$40.00

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1989 Audio Research LS1 Amplifier Stereo Hi-Fi Vintage Ad
1989 Audio Research LS1 Amplifier Stereo Hi-Fi Vintage Ad

$8.95

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AUDIO RESEARCH DUAL 75 Tube Stereo Amplifier Electricity is confirmed Used
AUDIO RESEARCH DUAL 75 Tube Stereo Amplifier Electricity is confirmed Used

$2588.99

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Audio Research SP14 Preamplifier
Audio Research SP14 Preamplifier

$1400.00

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Audio Research Dual 75 Amplifier Hi-Fi Sound System High Fidelity Audio
Audio Research Dual 75 Amplifier Hi-Fi Sound System High Fidelity Audio

$2532.29

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Audio Research Custom Made Amplifier Aluminum 80.5mm(3.16")X18mm(0.7")
Audio Research Custom Made Amplifier Aluminum 80.5mm(3.16")X18mm(0.7")

$4.66

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Audio Research D-76 Vintage Tube Amplifier
Audio Research D-76 Vintage Tube Amplifier

$3220.00

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Audio Research D52 Power Amplifier
Audio Research D52 Power Amplifier

$800.00

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UNISON RESEARCH SH HEADPHONE AMP
UNISON RESEARCH SH HEADPHONE AMP

$1100.00

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Audio Research SP-9 Mk II Preamplifier
Audio Research SP-9 Mk II Preamplifier

$1700.00

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Esoteric Audio Research EAR 509 Mono Valve Amp Vintage Pair- Serviced & Repaired
Esoteric Audio Research EAR 509 Mono Valve Amp Vintage Pair- Serviced & Repaired

$5089.14

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Audio Research SP-10 MKI Stereo Tube Preamp
Audio Research SP-10 MKI Stereo Tube Preamp

$4200.00

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AR Acoustic Research AU amplifier amp rebuild restoration Capacitor Kit repair
AR Acoustic Research AU amplifier amp rebuild restoration Capacitor Kit repair

$165.00

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Audio Research VTM -200
Audio Research VTM -200

$4999.00

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Audio Research D-60 Solid State Power Amplifier D60 110v
Audio Research D-60 Solid State Power Amplifier D60 110v

$1250.00

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AUDIO RESEARCH MODEL D 70 TUBE VALVE VACUUM POWER AMPLIFIER
AUDIO RESEARCH MODEL D 70 TUBE VALVE VACUUM POWER AMPLIFIER

$2198.70

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Emerson Research Cinema Audio Home Theater Sound System Black Surround Micro 10
Emerson Research Cinema Audio Home Theater Sound System Black Surround Micro 10

$99.98

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Audio Implements GKC Research & Development Model 680 Amplifier
Audio Implements GKC Research & Development Model 680 Amplifier

$104.99

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Audio Research GSPre Stereo Tube Preamplifier; MM / MC Phono
Audio Research GSPre Stereo Tube Preamplifier; MM / MC Phono

$5571.00

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Acoustic Research AR-UA1 USB DAC Headphone Amplifier
Acoustic Research AR-UA1 USB DAC Headphone Amplifier

$145.00

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AUDIO RESEARCH GSPre Reference Preamplifier
AUDIO RESEARCH GSPre Reference Preamplifier

$6650.00

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Audio Research Corporation Model D-100B Power Amplifier Schematic
Audio Research Corporation Model D-100B Power Amplifier Schematic

$12.00

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Audio Research Reference 600 mk3 Monoblock amplifiers
Audio Research Reference 600 mk3 Monoblock amplifiers

$12208.89

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1989 AUDIO RESEARCH Classic 60, 30 Amplifiers Stereo Hi-Fi Vintage Ad
1989 AUDIO RESEARCH Classic 60, 30 Amplifiers Stereo Hi-Fi Vintage Ad

$8.95

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Custom padded cover for Audio Research SP 14 pre-amplifier
Custom padded cover for Audio Research SP 14 pre-amplifier

$37.00

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"Audio" 3/98 Marantz MA-700, Audio Research VT-200 and REF 1, Bryston B-60
"Audio" 3/98 Marantz MA-700, Audio Research VT-200 and REF 1, Bryston B-60

$3.99

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Audio Research Reference DAC / Digital Media Bridge
Audio Research Reference DAC / Digital Media Bridge

$5000.00

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Audio Research D200 Stereo Amplifier Manual & Advertisement Brochure VG Cond.
Audio Research D200 Stereo Amplifier Manual & Advertisement Brochure VG Cond.

$29.99

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TRINITY AUDIO TAS-2000.1 MONOBLOCK 2000W RMS SUBWOOFERS SPEAKERS BASS AMPLIFIER
TRINITY AUDIO TAS-2000.1 MONOBLOCK 2000W RMS SUBWOOFERS SPEAKERS BASS AMPLIFIER

$249.95

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VINTAGE AUDIO RESEARCH CORP M300 POSTERS FROM 1987, QUANTITY OF FOUR (4)
VINTAGE AUDIO RESEARCH CORP M300 POSTERS FROM 1987, QUANTITY OF FOUR (4)

$30.00

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audio research pwb736b amplifier circuit board pcb [4*T-30]
audio research pwb736b amplifier circuit board pcb [4*T-30]

$50.00

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face plate sticker for audio research vsi60 tube amplifier faceplate [4*T-25]
face plate sticker for audio research vsi60 tube amplifier faceplate [4*T-25]

$15.00

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PAIR of Audio Research D-120 High Definition Power Amplifier, Original
PAIR of Audio Research D-120 High Definition Power Amplifier, Original

$1900.00

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Audio Research D-125 Tube Power Amplifier Original Owners Manual Schematic Parts
Audio Research D-125 Tube Power Amplifier Original Owners Manual Schematic Parts

$69.95

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Audio Research VS115 Amplifier Dust Cover HQuality WR
Audio Research VS115 Amplifier Dust Cover HQuality WR

$24.60

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Audio Research VT80 SE Stereo Amplifier (Silver, 220V), Made in USA
Audio Research VT80 SE Stereo Amplifier (Silver, 220V), Made in USA

$8000.00

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Digitimer NeuroLog Module NL120 – Audio Amplifier
Digitimer NeuroLog Module NL120 – Audio Amplifier

$160.00

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Digitimer NeuroLog Module NL120S – Audio Amplifier
Digitimer NeuroLog Module NL120S – Audio Amplifier

$165.00

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c1978 Audio Research D-52 Power Amplifier Dealer Brochure Audiophile HiFi Audio
c1978 Audio Research D-52 Power Amplifier Dealer Brochure Audiophile HiFi Audio

$14.00

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Vintage Audio Research Corp Amplifiers Tube Hifi Original Color Fold-out Catalog
Vintage Audio Research Corp Amplifiers Tube Hifi Original Color Fold-out Catalog

$20.00

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Audio Research High Definition Nothing Keepers Fresher Vintage 1985 Print Ad
Audio Research High Definition Nothing Keepers Fresher Vintage 1985 Print Ad

$8.60

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Audio Research M300/M300 MKII Tube Amplifier filter capacitor.
Audio Research M300/M300 MKII Tube Amplifier filter capacitor.

$29.00

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Ramko Research Audio Distribution Amplifier DA-6BR/E
Ramko Research Audio Distribution Amplifier DA-6BR/E

$37.81

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McIntosh A-129 Tube Amplifier - one of the rarest of all McIntosh tube amps!
McIntosh A-129 Tube Amplifier - one of the rarest of all McIntosh tube amps!

$3800.00

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Used DENON AVC-2850-N Made in 2001 from Japan M
Used DENON AVC-2850-N Made in 2001 from Japan M

$129.99

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Vintage Vector Research VR-2500 Stereo Receiver SOLD AS IS FOR PARTS-PLEASE READ
Vintage Vector Research VR-2500 Stereo Receiver SOLD AS IS FOR PARTS-PLEASE READ

$74.00

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