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Audio Research Sp


AUDIO RESEARCH SP9 Tube Preamplifier High Def Stereo no Lid

$850.00


Audio Research SP 9 MkII preamp Modded by Steve Huntley Great Northern Sound !!

$1,500.00


Audio research SP-6C preamplifier

$1,250.00


Audio Research SP17 Stereo Tube Preamp with Phono includes remote

$1,800.00


Audio research sp-9 mkII preamplifier

$1,300.00


Audio Research SP9-MKII PreAmplifier Near Mint, Legendary!!

$1,199.99


Audio Research SP-20 Vacuum Tube Stereo Preamplifier

$5,900.00


VINTAGE AUDIO RESEARCH SP3A-1 RACK MOUNT W/ORIG BOX,CUSTOM WOODCASE, TELEFUNKEN

$3,195.00


Audio Research SP-3C Vintage Tube Preamplifier Excellent Cond. with Original Box

$3,499.00


AUDIO RESEARCH SP16L VALVE PREAMPLIFIER (KENT)

$1,709.71


AUDIO RESEARCH SP-8 MK 1 ULTIMO II Tube Set Genalex Gold Pin Preamp

$334.48


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

$339.98


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

$629.97


NOS RARE ORIGINAL PAIR BLACK FACEPLATE FOR AUDIO RESEARCH SP10 MK I/II PREAMP

$995.00


AUDIO RESEARCH SP-11 MK I and II ULTIMO Tube Set Gold Pin Preamp

$249.97


AUDIO RESEARCH SP-11 MK II ORIGINAL BOX

$130.00


AUDIO RESEARCH SP-6A/6B ULTIMO Tube Set Gold Pin Preamp

$142.48


Audio Research SP-9 ULTIMO Tube Set Gold Pin Preamp

$52.48


AUDIO RESEARCH SP-16 ULTIMO Tube Set EHX Gold Pin Preamp

$131.23


AUDIO RESEARCH SP-15 ULTIMO Tube Set Gold Pin Preamp

$73.48


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

$289.00


RARE Audio Research SP6 Zener Power supply board BRAND NEW!!!

$29.99


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

$254.98


Audio Research SP-3A-1, SP-3A, Owner's Manual, Complete with Schematic.

$49.95


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

$449.00


AUDIO RESEARCH SP-16L ULTIMO Tube Set EHX Gold Pin Preamp

$67.48


Vintage ORIGINAL Audio Research SP-7 Preamplifier Owners Manual - Preamp RARE

$29.50


Vintage ORIGINAL Audio Research SP-9 Mk II Owners Manual & Schematic

$25.00


Vintage ORIGINAL Audio Research SP-5 Preamplifier Owners Manual - Preamp

$29.50


Vintage ORIGINAL Audio Research SP-10 Preamplifier Owners Manual - Preamp

$25.00


Vintage ORIGINAL Audio Research SP-11 Preamplifier Owners Manual

$29.50