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Heathkit AA-181

Mono Integrated Amplifier (1961)

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Heathkit AA-181

Specifications

Power output: 25 watts per channel

Frequency response: 30Hz to 15kHz

Total harmonic distortion: 2%

Damping factor: 9

Input sensitivity: 9mV (mic), 5mV (MM), 120mV (ceramic), 200mV (line)

Signal to noise ratio: 60dB (mic), 53dB (MM), 55dB (ceramic), 60dB (line)

Speaker load impedance: 4Ω to 16Ω

Valve complement: 2 x 6EU7, 1 x 12AU7, 2 x 7591, 1 x 5AR4

Dimensions: 13-1/2 x 4-15/16 x 9-1/2 inches

Weight: 18lbs

Year: 1961

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