MW/FM Four Channel Receiver (1973-76)
The Pioneer QX-747 is a full capability, four channel FM/MW stereo receiver.
It is equipped with all present quadraphonic systems, CD-4, SQ and regular matrix.
Tuning range: FM, MW
Power output: 40W/ch (stereo), 20W/ch into 8Ω (quadraphonic)
Frequency response: 10Hz to 25kHz
Total harmonic distortion: 0.5%
Damping factor: 35
Input sensitivity: 2.2mV (MM), 140mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 140mV (line)
Speaker load impedance: 4Ω to 16Ω
Semiconductors: 9 x FET, 6 x IC, 123 x transistors, 66 x diodes
Dimensions: 550 x 160 x 420mm
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