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Audio Research SP-3 preamplifier – Old School | TONEAudio ...
https://www.tonepublications.com/old-school/audio-research-sp-3-preamplifier/
Audio Research SP-3 preamplifier – Old School | TONEAudio MAGAZINE 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 SP-3 preamplifier | Stereophile.com
https://www.stereophile.com/content/audio-research-sp-3-preamplifier
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 the tone controls rapidly—but we could find nothing else about it to criticize. Currently, by far the …
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.
Audio Research – High-end audio equipment
https://audioresearch.com/
In 1973, the SP3 was hailed as the best preamplifier available, and this tradition of excellence has continued ever since. The Reference Series from Audio Research was first introduced in 1995 and has been the ultimate representation of performance, musicality and power. Foundation Series
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...
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-3A-1 Tube Preamplifier - Restored ...
https://skyfiaudio.com/products/audio-research-sp-3a-1-tube-preamp-restored
Audio Research SP-3A-1 Tube Preamplifier - Restored $0 Many consider the SP3 as the finest preamp ARC ever produced. Its classic looks and reliable operation have made this piece a favorite among classic collectors. This particular sample came from a collector that didn’t use it very much. It mostly sat on a shelf looking pretty.
Audio Research SP3-a1 - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-sp3-a1
This discussion. Message User. 9 posts. 06-10-2018 4:34pm. Edit. Delete. My SP3-a1 is a stock unit and they want around $1800.00 to rebuild the power supply., then they were going to look at the audio section.They also offer an …
Audio Research SP3 Vintage All Tube Preamplifier ...
https://www.audiogon.com/listings/lisa24h6-audio-research-sp3-vintage-all-tube-preamplifier-complete-collector-grade-restoration-pre-amplifiers
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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