Audio Research CA50 Integrated Tube Amplifier, with Extra Output Tubes

Audio Research Ca50. Audio Research CA50 Photo 962113 UK Audio Mart With all tubes out of the unit, will not power up blowing the. It includes a 50-watt per channel all-vacuum-tube, push-pull Class AB power amplifier using 6922 twin triode tubes for input and driver stages, and 6550 power output tubes (one matched pair per channel).

Audio Research CA50 Tube integrated amp Photo 353134 Canuck Audio Mart
Audio Research CA50 Tube integrated amp Photo 353134 Canuck Audio Mart from www.canuckaudiomart.com

The signal circuit is fully separated on both sides of the chassis with a dual monaural configuration. The amplifier circuit uses a class AB-1 push-pull system with a large beam output tube 6550C

Audio Research CA50 Tube integrated amp Photo 353134 Canuck Audio Mart

Audio Research CA50; ¥ 650,000 (around 1997) Commentary Audio Research CA50; ¥ 650,000 (around 1997) Commentary This amp reveals layering which the solid state counterparts cannot

Audio Research CA50 (upgraded) Photo 3261278 UK Audio Mart. Power output: 45 watts per channel into 8Ω (stereo) Frequency response: 2Hz to 50kHz The amplifier circuit uses a class AB-1 push-pull system with a large beam output tube 6550C

Audio Research CA50 Integrated Tube Amplifier, with Extra Output Tubes. The Audio Research CA-50 (and the Krell, Bow and GRAAF), though, are 'proper' integrateds in that they accept a full complement of sources and feature at the very least muting facilities or tape. Non fatiguing, real Audio Research sound, if lacking in the last degree of control and openess of the larger designs