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Audio Research D-250 II Servo power amplifier Specifications
Description: All-tube stereo amplifier. Power output: 240W below 1% THD from 20Hz to 20kHz into 16 ohms; clipping point 250W. Power bandwidth: -3dB at 12Hz and 60kHz. IM distortion: below 0.1% at 1dB below rated output. Sensitivity: 800mV for rated output. Input impedance: 75k ohms. Damping factor: approx 20. Hum and noise: 90dB below rated output. Power consumption: 450W in Standby mode, 900W at idle, 2kW at rated output.
Dimensions: 19" W by 10½" H by 203/4" D. Weight: 138 lbs.
Manufacturer: Audio Research Corporation, 3900 Annapolis Lane North, Plymouth, MN 55447-5447. Tel: (763) 577-9700. Fax: 763-577-0323. Web: www.audioresearch.com .