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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. Our sample had a minor glitch—there was a slight "plop" if you rotated …
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. Yet when the $595 SP-3 preamplifier arrived on the scene in 1972, many audio reviewers proclaimed that such perfection was well …
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 SP-3 | Tube | Beverly Hills, California ...
https://www.audiogon.com/listings/lisaf773-audio-research-sp-3-tube
The SP3 was introduced in 1972 and was instrumental in establishing Audio Research's world-wide reputation for sonic excellence. Several thousand were sold during the period of 1972-1976 and most, we believe, are still in service today. It is no longer possible to obtain the high voltage (525WVDC) electrolytic capacitors used in the original design.
Tubes for the Audio Research SP 3 Series | Antique ...
https://www.tubesandmore.com/sets-by-amplifier/audio-research/sp-3-series
The Audio Research SP 3 Series amplifier requires the following components: × 8. 12AX7. Type: Please make a selection above. ...
Vintage preamps Part 3, Audio Research SP3 - YouTube
https://www.youtube.com/watch?v=ImDH4k5LrlM
More info on the Audio Research SP3 A1 I reviewed. https://skyfiaudio.com/products/audio-research-sp-3-a1-tube-preampThat one is now sold, but SkyFi has anot...
Audible Illusions Modulus 3 Audio Research SP-11
https://forum.audiogon.com/discussions/audible-illusions-modulus-3-audio-research-sp-11
Infinity IRS MK5 with sevro, Audio Research Sp-11 Mk2, Vincent CD S-6 tube cd player, Audio Research M-300 at the mids and highs or VTL300's. Infinity IRS Gamma, Audio Research Sp-11 Mk1, Lector CDP-7, Conrad Johnson premier 5 on top. Threshold SA10e on botom. All cables are Monster M-1000 cables and M-1 for speakers.
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