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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
Audio Research D-90 Vintage Stereo Tube Amplifier - Made in the USA - 80 Glorious Watts. Warm, musical, and engaging vintage tube amplifier from the early …
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
Audio Research D-90 - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-d-90
Audio Research D-90 Hi, I just bought a A.R.D-90 and there is a hum in the right channel.I reversed the inter-connects and still in the right side.I switched the 12ax7's for 12au7's and it got louder.Any ideas or insight?
Audio Research D-90 | Audiogon Bluebook
https://bluebook.audiogon.com/brands/audio-research/products/audio-research-d-90
D-90. Introduced: 1980. Category: Amplifiers & Receivers > Tube. Notes: 90w, tube, 100 lbs. Retail Price: $2,195.00.
Audio Research D-90B | Tube | Audiogon
https://www.audiogon.com/listings/tube-audio-research-d-90b-2013-12-14-amplifiers-12590
Once, I mentioned the D-90s to Leonard at ARC, and he told me this story: ARC had announced its latest offering, the D-90 amid much hoopla. The 90 of course stood for 90wpc and power crazed audiophiles salivated at the thought of being able to drive their Accoustic Research speakers which devoured watts like cheerios.
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.
Audio Research D90 - Tube Amplifier - Fully Rebuilt ...
https://www.canuckaudiomart.com/details/649793226-audio-research-d90-tube-amplifier-fully-rebuiltrecapped/images/3536987/
Fully rebuilt/recapped Audio Research D90 - tube amplifier. Power filter caps 8 pcs replaced with nichicon high temp 105C rating as well as all the axial electrolytic caps with Vishay Sprague/Panasonic. Yellow film caps, replaced with...see more
Free Audio Research Diagrams, Schematics, Service Manuals ...
https://www.schematicsunlimited.com/a/audio-research
Audio Research Diagrams, Schematics and Service Manuals - download for free! Including: arc cl30 schematic2 new , arcd76 new , arcd90 new , arsp3a new , arsp6c1 new , audio research classic30 power amplifier schematic, audio research classic 30 power supply schematic diagram, audio research d40 power amplifier, audio research d40 power amplifier schematic, audio …
Audio Research – High-end audio equipment
https://audioresearch.com/
Audio Research continues its dedication to unparalleled musical expression and crafting components of the highest quality and lasting value for its customers. Our long-term dedication to service is peerless in this industry (Audio Research, with few exceptions, can repair anything ever produced during its entire history).
Audio Research Ultimate Repair, Service Schematics ...
https://www.ultimateservicemanuals.com/products/audio-research-ultimate-repair-service-schematics-operation-manuals-390-pdf-on-dvd
390 Audio Research PDF files (Adobe Reader XI) on DVD R ... Classic 30 Bias Adjustment manual Classic 30 Brochure Classic 30 Owner, Schematics & Parts list manual ... D90 D90B Bias Adjustment manual D90 Owner, Schematics & Parts list …
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