Audio Research D-75
High Definition Audio Amplifier
Power output: 75 watts per channel into 8Ω (stereo)
Frequency response: 15Hz to 30kHz
Total harmonic distortion: 1%
Damping factor: 14
Input sensitivity: 1.5V
Signal to noise ratio: 80dB
Speaker load impedance: 4Ω to 16Ω
Valve complement: 4 x 12AX7, 8 x 6FQ7, 2 x 6550, 1 x 5881
Dimensions: 19 x 7 x 12.25 inches
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