KLH Fifty Four
AM/FM Four Channel Receiver (1973)
Tuning range: FM, MW
Power output: 60W/ch (stereo), 25W/ch into 4Ω (quadraphonic)
Frequency response: 20Hz to 20kHz
Total harmonic distortion: 0.5%
Damping factor: 20
Input sensitivity: 2.5mV (MM), 250mV (line)
Signal to noise ratio: 63dB (MM), 70dB (line)
Output: 250mV (line)
Speaker load impedance: 4Ω (minimum)
Dimensions: 17-7/8 x 5-3/4 x 14-1/4 inches
Finish: walnut neneer and textured black finished steel
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