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Audio Research D-75

High Definition Audio Amplifier

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Audio Research D-75

Specifications

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

Weight: 52lbs

Year: 1972

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