Audio Research D-150
High Definition Amplifier (1975-77)
Power output: 150 watts per channel into 8Ω (stereo)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 1%
Damping factor: 14
Input sensitivity: 2.2V
Signal to noise ratio: 80dB
Speaker load impedance: 4Ω to 16Ω
Valve complement: 12AX7, 6FQ7, 6550
Dimensions: 19 x 10.5 x 16.5 inches
Finish: aluminium front panel and chassis
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