THE CLASSIC, AUDIO RESEARCH SP9 HYBRID TUBE PREAMPLIFIER! Manufactured in 1987. It goes without saying but i'll say it anyway: THIS SOUNDS INCREDIBLE. I've completely detailed and tested every aspect ...

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Fully refurbished and upgraded by a factory auth tech...

Audio Research LS2B in Black beautiful sounding preamp with one Amprex BugleBoy tube. This was at a time a Stereophile Class A Recommended Component. I am selling because of the upgrade bug. I do not ...

I am the second owner of this great sounding preamp with dac. The front glass is broken but intact, and priced accordingly. New glass is available from the factory for $181. There is no damage to any ...

Beautiful Piece of Gear ...Wonderful Sound...

Excellent Condition Rogue Ares Ares Magnum Upgraded Phono Preamp. I can not see one blemish or mark anywhere, exceptionally clean....

MOUNTAIN HIFI//INSURED//SHIPS WORLDWIDE...

Selling used vintage Marantz 7c Preamp, Marantz 8b stereo amp, and extra tubes. both units need work. Selling as a package deal....

Conrad Johnson Classic Sixty SE Amplifier...