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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. Many consider the SP3 as the finest preamp ARC ever produced. Its classic looks and reliable operation …
Audio Research SP-3A-1 Vintage Tube Preamplifier ...
https://skyfiaudio.com/products/audio-research-sp-3-a1-vintage-preamplifier-collector-grade-restoration-reviewed-by-the-audiophiliac
Audio Research SP-3A-1 Vintage Tube Preamplifier - Collector Grade Restoration - Reviewed By The Audiophiliac. $0. This is a collector grade restoration of a …
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. $0. 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 …
Audio Research SP3A-1 or Conrad Johnson PV11
https://forum.audiogon.com/discussions/audio-research-sp3a-1-or-conrad-johnson-pv11
Audio Research SP3A-1 or Conrad Johnson PV11. I am in the process of switching to a different preamp. I have been using the Quicksilver Full-Function preamp for some time now, and I am after a less digital-sounding preamp. I am interested in hearing opinions of the Audio Research SP3A-1 versus the Conrad Johnson PV11.
Audio Research SP-3A-1 | Tube | Audiogon
https://www.audiogon.com/listings/lisaeefc-audio-research-sp-3a-1-tube
Audio Research SP-3A-1 preamp in silver (natural) with the original Audio Research manual and inner and outer boxes. I am the second owner and the preamp sat in storage for almost 40 years so the original tubes (Amperex 12AX7) have a lot of life left in them.
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