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D90B Manual - Audio Research
https://audioresearch.com/wp-content/uploads/2021/06/D90B_Manual.pdf
Audio Research.) Observe the following: 2. These adjustments should be accomplished under no signal condi tions and with line voltage at its "normal n for your location. The D90B should be thoroughly "warmed upti (thermal equal ibrium) prior to adjustment (typically 2 hours). Move each adjustment slowly, allowing time for circuit equalibrium
Audio Research D-90B Tube Power Amplifier 1980's ...
https://reverb.com/item/39241228-audio-research-d-90b-tube-power-amplifier-1980-s-silverface
Audio Research D-90B Tube Power Amplifier 1980's SilverfaceFully tested and 100% functional. Overall this unit is in great condition showing minimal wear from use and handling. This has been serviced to function correctly. Some transistors have been replaced, but no caps have been replaced. The w...
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. $0. Warm, musical, and engaging vintage tube amplifier from the early 1980's. Made to the highest quality standards available at the time (hand soldered and assembled). A …
Audio Research D90-B | Audiokarma Home Audio Stereo ...
https://audiokarma.org/forums/index.php?threads/audio-research-d90-b.478500/
Audio Research D90-B. Discussion in 'Tube Audio' started by JAN Amps, Nov 1, 2012. ... Dear Brother, If yo don't mind give me please some copies of D90B Schematic too. I need that scematic for my AR Amp too. Please send the schematic to: …
Audio Research D90B Chassis And Output Tranformers | diyAudio
https://www.diyaudio.com/community/threads/audio-research-d90b-chassis-and-output-tranformers.7113/
Audio Research D90B Chassis and Output Transformers, no Circuit Board or Mains Transformer, this was going to be rebuilt with 300B Push-Pull but I guess its gotta go! £350 (350 GBP), Excellent Condition, have digital Pictures, (I disposed of the Orig Circuit Board and Mains Transformers, for those about to ask the Obvious Question!). Mozfet.
Audio Research D-90 - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-d-90
Audio Research D-90. Hi, ... Also the print out i have from the web sight shows pic's of the D-90 and D90b. The D-90b has 8 cans,where the D-90 has 9 can caps.My amp has 9 also. The face plate states it is a D-90. There is no (R) after so it could be someone down the line put the cheeper tubes in. This I don't know,but would like to find out.
Audio Research D-90B | Tube | Audiogon
https://www.audiogon.com/listings/tube-audio-research-d-90b-2013-12-14-amplifiers-12590
I have it for you..... an ARC D90B in beautiful condition. Back in 1980 I bought an Audio Research D-90. Little did I know it was the Rev C. I used that amp to drive Acoustat 2+2's in a medium size living room in my flat with great success paired with an SP-6C1 preamp. Luckily the walls were brick.... otherwise I'm sure the neighbors would have ...
Audio Research D-90B Great Northern Sound modded-pics look--
https://www.audiocircle.com/index.php?topic=53033.0
Audio Research D-90B Great Northern Sound modded-pics look-- 0 Members and 1 Guest are viewing this topic. Read 6555 times. DZetye. Full Member; Posts: 459 » Gallery; Audio Research D-90B Great Northern Sound modded-pics look--« on: 1 Apr 2008, 10:45 pm ...
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 D90B For Sale - Canuck Audio Mart
https://www.canuckaudiomart.com/details/649276061-audio-research-d90b/
Classifieds: FOR SALE - Audio Research D90B asking for $1750.00
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