Audio Research Sp-10 High Definition Stereo Preamplifier with SP-10PS Power Supply

Circa 1982, this preamplifier utilizes vacuum tubes. Dual phono input with impedance switches for cartridges.

Each unit 5 1/4 in. x 19.25 in. x 10.5 in.

This is regarded as one of the ten best preamplifiers of all time. Its warmth is suited for older vinyl and recorded media.

Needs to be restored; output tubes are bad; excellent physical condition.