Vintage Audio Research D-90B Tube Power Amplifier Classic AR D-90 Stereo Amp

Vintage Audio Research D-90B Tube Power Amplifier Classic AR D-90 Stereo Amp

Vintage Audio Research D-90B Tube Power Amplifier Classic AR D-90 Stereo Amp

Vintage Audio Research D-90B Tube Power Amplifier Classic AR D-90 Stereo Amp

Vintage Audio Research D-90B Tube Power Amplifier – Classic AR D-90. D-90B: 80 watts per channel minimum continuous (both channels operating) at 16 ohms from 25 Hz to 20 kHz with less than 0.5% total harmonic distortion. 005% at 1 watt. Approximate actual power available per channel at “clipping” both CH. OP, 1kHz: 90 watts. D-90B: (-3dB points) 12 Hz to 50kHz. 1.2V RMS for rated output (adjustable). 75 kOhms, nominal at maximum gain. 3dB, 16 ohm load to open circuit. D-90B: Intermodulation distortion: Less than. 3% at 1 dB below rated output (100V p to p, 16 ohms) (SMPTE method). Wideband, unweighted, more than 90dB below rated output Line components, more than 80dB below rated output. POWER SUPPLY ENERGY STORAGE. 105-125VAC 60 Hz (210-250VAC 50 Hz) 800 watts maximum. 400 watts at “idle”. 500 watts at rated power. 19″ (48 cm) W (standard rack panel) x 7″ (18 cm) H x 16½ (42 cm) D (front panel back). Handles extend 1 (4.1 cm) forward of front panel. The item “Vintage Audio Research D-90B Tube Power Amplifier Classic AR D-90 Stereo Amp” is in sale since Friday, May 21, 2021. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “darrenkf” and is located in Shreveport, Louisiana. This item can be shipped to United States.
  • Brand: Audio Research
  • Type: Power Amplifier
  • Model: D-90B
  • Featured Refinements: Vintage Stereo Amplifier
  • MPN: D-90B
  • Country/Region of Manufacture: United States

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