Audio Research Sp-3 Preamplifier

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Audio Research SP-3 preamplifier - Stereophile.com

https://www.stereophile.com/content/audio-research-sp-3-preamplifier

Audio Research SP-3 preamplifier J. Gordon Holt | Dec 22, 1998 | First Published: Dec 1, 1971 Preview, from Vol.3 No.3: We thought Audio Research's previous-model SP-2C (footnote 1) was excellent, but this is even better—the closest thing available, in fact, to the ideal straight wire with gain.

Audio Research SP-3 preamplifier – Old School | TONEAudio ...

https://www.tonepublications.com/old-school/audio-research-sp-3-preamplifier/

Audio Research SP-3 preamplifier Back in the mid 1970s, the idea that a preamplifier could provide “straight wire with gain” was an elusive goal. The idea that such perfection could be achieved from a valve model seemed even more unlikely.

Audio Research SP-3 - VINTAGE ALL TUBE PREAMPLIFIER ...

https://skyfiaudio.com/products/audio-research-sp-3-sp3-vintage-all-tube-preamplifier-complete-collector-grade-restoration-w-amperex-tubes

Audio Research SP-3 - VINTAGE ALL TUBE PREAMPLIFIER - COMPLETE COLLECTOR GRADE RESTORATION w/ Amperex Tubes $4,599 This is a collector grade restoration of a classic and well regarded preamp from Audio Research. The exact model designation is SP3 and t his is an example of the very first production run for this piece.

Audio Research SP3 Preamplifiers user reviews : 4.3 out of ...

http://www.audioreview.com/product/amplification/preamplifiers/audio-research/sp3.html

I bought this Audio Research SP 3 in mint condition to augment my system that consists of a custom-built pair of 6146 mono amplifier, Thorens 160 Super turntable/ SME 3009 Series IIIs tonearm with Shure V15 type III driving a pair of DQ 10 speakers. The sound is somewhat comparable to the set-up using my ever reliable Precision Fidelity C7 preamp.

Audio Research SP-3 Vintage All Tube Preamplifier ...

https://skyfiaudio.com/products/audio-research-sp-3-vintage-all-tube-preamplifier-complete-collector-grade-restoration

This is a collector grade restoration of a classic and well regarded preamp from Audio Research. The exact model designation is SP3 Series A. An excellent match for any vintage system using speakers that might require a bit of boost from the built-in tone controls. You're not going to find a finer electrical restoration.

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