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Year of manufacture: 1963 - 1966
Manufactured by: McIntosh Laboratory Inc, 2 Chambers Street Binghamton, NY
Price when new (in the USA): $349.00
Description: Integrated amplifier
Mono/stereo: Stereo
Power output: 30 watts per channel continuous
Harmonic distortion: 0.5%
Frequency response (+0-0.5dB): 20Hz - 20kHz
Power response: 35 - 20,000 c/s ±1dB
Hum and noise: -75dB high level, -60dB low level
Damping factor: 10
Output impedance: 4, 8 or 16
Tone controls: Dual concentric treble and bass, +18dB to -18dB
Input sensitivities: high level: 0.25V at 250k, phono: 1.5mV at 47k, tape head: 1.5mV at 1 meg
Tape output: 0.25V into 25k
Line output: 10V into 5k
Tubes: 4 x 7591, 2 x 12AU7, 1 x 12AX7
Dimensions: 5½"H, 16"W and 14½"D (140 x 406 x 368 mm)
Weight: 43 lbs (19.55 kg)
Power supply: 105 - 125 V, 60 cycles AC