We have collected the most relevant information on Audio Research D 90. Open the URLs, which are collected below, and you will find all the info you are interested in.
Audio Research D-90B Tube Power Amplifier 1980's ...
https://reverb.com/item/39241228-audio-research-d-90b-tube-power-amplifier-1980-s-silverface#:~:text=Product%20Specs%20%20%20Listed%20%20%209,%20United%20States%20%203%20more%20rows%20
Audio Research D-90 Vintage Stereo Tube Amplifier - Made ...
https://skyfiaudio.com/products/audio-research-d-90-vintage-stereo-tube-amplifier-made-in-the-usa-80-glorious-watts
D90 Manual - Audio Research
https://audioresearch.com/wp-content/uploads/2021/06/D90_Manual.pdf
audio research HIGH 3900 ANNAPOLIS LANE NORTH / PLYMOUTH, MINNESOTA 55447-5447 / PHONE: 763-577-9700 FAX 763-577-0323 D-90 OWNERIS MANUAL SCHEMATICS AND PARTS LIST Schematic 2-24-81 Schematic 2-15-81
Audio Research D-90 - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-d-90
The D-90b Takes 8-5881's,1-6550's,1-12ax7,and 5-6922's The revised D-90 takes 8-5881's or 6l6's,1-6550,4-12ax7's,2-12at7's,2-6fq7's. This is the tube setup mine has. Also the print out i have from the web sight shows pic's of the D-90 and D90b.
Audio Research D-90 | Tube | Darnestown, Maryland 20874 ...
https://www.audiogon.com/listings/lisaehc6-audio-research-d-90-tube
Audio Research D-90 | Tube | Darnestown, Maryland 20874 | Audiogon. Audio Research D-90 used Original true audiophile owner. Enjoyed sparingly in a clean laboratory-like listening room with other high-end gear. Pristine condition.
Audio Research D-90 Stereo Valve Power Amplifier Manual ...
https://www.hifiengine.com/manual_library/audio-research/d-90.shtml
Power output: 80 watts per channel into 16Ω (stereo) Frequency response: 25Hz to 20kHz. Total harmonic distortion: 0.5%. Damping factor: 25. Input sensitivity: 1.2V. Signal to noise ratio: 90dB. Dimensions: 490 x 180 x 420mm. Weight: 29kg.
ARCDB
https://www.arcdb.ws/D90/D90.html
D-90: 90 watts per channel minimum continuous (both channels operating) at 16 ohms from 25 Hz to 20 kHz with less than 1% total harmonic distortion. Typically below .01% at 1 watt. Approximate power available per channel at "clipping" (both CH. OP, 1kHz): 105 watts.
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