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Audio Research Sp


Audio Research SP9 Vacuum Hybrid tube/FET stereo preamplifier

$949.00


Audio Research sp-14 preamp

$1,320.00


Audio Research SP-8 High Definition Stereo Pleamplifier

$305.00


Audio Research SP-12 Stereo Tube Preamplifier w/phono! Sonic Frontiers Update!

$995.00


Audio Research SP16L Stereo Preamplifier(line Stage) 220VAC Black

$1,620.00


Audio Research SP15a Preamplifier PRISTINE Refrbished 2019 by Audio Research

$3,795.00


Audio Research SP16L Stereo Preamplifier(line Stage) 220VAC Black New

$1,870.00


Audio Research SP-8 MK2 tube Pre-amplifier Pre-amp Free Airmail Original

$2,999.00


Audio research 5 tube sp12 vintage preamplier very nice looking

$1,450.00


Medel's 2 - Audio Research SP-3 Gold Pin Genalex Tube Sets 12AX7/ECC83/B759

$629.97


AUDIO RESEARCH SP-8 MK 2 ULTIMO II Tube Set Genalex Gold Pin - Our Best Set

$299.97


Audio Research SP 9 Preamplifier ad flyer

$7.00


AUDIO RESEARCH SP-3 ULTIMO II Tube Set Genalex Gold Pin Preamp - Our Best Set

$319.97


Medel's AUDIO RESEARCH SP-11 Tube Set -2 Sets + 12AT7 EHX GOLD PIN TUBE -4 Tubes

$379.68


AUDIO RESEARCH SP-8 MK I ULTIMO Tube Set Gold Pin Preamp

$209.97


Audio Research SP3 SP-3 restoration kit service recap capacitor fix rebuild

$165.00


AUDIO RESEARCH SP-16 ULTIMO II Tube Set Genalex Gold Pin Preamp - Our Best Set

$254.98


Audio Research SP-9 ULTIMO Tube Set Gold Pin Preamp

$49.23


AUDIO RESEARCH SP-8 MK 2 Primo Tube Set

$99.48


GENERAL RADIO W5MT3A METERED VARIAC FOR AUDIO RESEARCH D150 SP3 TUBE AUDIO AMP

$449.00


Audio Research SP9 Owners Manual Sales Brochure Cartridge Load Sheet

$39.00


LINE VOLTAGE VARIAC 4 AUDIO RESEARCH D150 SP3 TUBE AUDIO POWER AMPLIFIER PREAMP

$289.00


Vintage Original Audio Research SP6/C Manual. Good Condition.

$87.35


Audio Research SP-6 Tube Preamp Review, 1981, 2 pgs

$7.99


Audio Research LS1 Preamp, SP15 Amp TUBES! Ad from 1990

$6.00


Audio Research SP-6A / SP-6B - New PREMIUM JJ ELECTRONIC Full Tube Replace Set

$72.50


Audio Research SP-11 Audiophile Preamp Amp Ad 1995, 2 Pages Article, Specs

$7.99


Tube Set - for Audio Research SP-3 Series, Tube Brand: Tube Amp Doctor

$135.60


Audio Research Review, SP-11 Tube Preamp, 2 pgs, 1986

$7.99


Tube Set - for Audio Research SP-6B, Tube Brand: JJ Electronics

$65.70


Audio Research SP-3, LS25 Audiophile Preamp Amp Ad 2000, 1 Page Article + Info

$6.99


Audio Research SP14 / SP9 Tube Preamp Ad 1990 Article, 1 page, ready to frame

$6.99


Audio Research SP-3 - New PREMIUM JJ ELECTRONIC Full Tube Replace Set

$89.10


Audio Research SP3-1A - complete set of replacement bulbs - US SELLER

$15.99


Audio Research SP-3 Audiophile Preamp Ad 1972, 1 Page Article + Info

$6.99


Audio Research SP-3 Preamp Ad,Cover Off!Tubes,RARE 1975

$7.00


Replacement Remote for AUDIO RESEARCH VSI55, SP16, 70071010

$29.95


Audio Research SP-9 Tube Preamplifier Brochure '89, 2 pgs, Specs, Info Preamp

$7.99


Tube Set - for Audio Research SP-6B, Tube Brand: Tube Amp Doctor

$101.70


JCDQ146B Audio Research SP-10 bile preamp classic circuit Bare board

$13.99


Audio Research Classic Ad,SP-3 Preamp,Article,Tube,Nice

$6.00


Tube Set - for Audio Research SP-3 Series, Tube Brand: JJ Electronics

$87.60