Audio Research D-40
Stereo Valve Power Amplifier (1981)
Power output: 35 watts per channel into 16Ω (stereo)
Frequency response: 25Hz to 20kHz
Total harmonic distortion: 1%
Input sensitivity: 0.75V
Signal to noise ratio: 90dB
Valve complement: 4 x 12AX7, 2 x 6FQ7, 2 x 5881, 1 x 12AT7, 1 x 12BH7
Dimensions: 480 x 180 x 420mm
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