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

    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
    Audio Research SP-3 | Tube | Beverly Hills, California 90210 | Audiogon. Audio Research SP-3 used Audio Research has the reputation for the best product support in the industry, which includes service for products that date back to the beginning of the high-end industry and to the founding of o... 3500.00. Home.

Audio Research SP-3A-1 Tube Preamp - Factory Restored ...

    https://skyfiaudio.com/products/audio-research-sp-3-a1-tube-preamp
    Audio Research SP-3A-1 Tube Preamp - Factory Restored. Many consider the SP3 as the best preamp ARC ever produced. Its classic looks and reliable operation has made this piece a favorite among classic collectors. This is the finest example we have ever come across. This particular sample came from a collector that had ARC restore the unit to better than its original glory.

Audio Research – High-end audio equipment

    https://audioresearch.com/
    Preamplifiers Audio Research has produced some of the finest components for music reproduction; this is especially true with regard to preamplifiers. In 1973, the SP3 was hailed as the best preamplifier available, and this tradition of excellence has continued ever since.

Audio Research SP3 Preamplifier Tube Vintage, Excellent ...

    https://www.ebay.com/itm/194796779104
    Audio Research SP3 Preamplifier Tube Vintage, Excellent Condition and Guaranteed. $2,895.00 + $65.00 shipping + $65.00 shipping + $65.00 shipping. Dynaco PAS 2 preamplifier original Shape - Powers Up VERY CLEAN INSIDE. $400.00 + $25.00 shipping + $25.00 shipping + $25.00 shipping.

Audio Research SP-3 preamplifier | Stereophile.com

    https://www.stereophile.com/content/audio-research-sp-3-preamplifier
    Since the SP-3 uses tubes instead of transistors, there is of course the possibility of tube-type problems and the certainty, at some future time, of the need for tube replacements. Audiophiles who have owned only solid-state gear may be introduced to microphonics and other-worldly binging or boinging noise that a rare tube will inject into the system when the preamp is …

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