PIONEER QX 747

QUADRAPHONIC AMPLIFIER
*TO SEE A REAR VIEW, PLEASE TYPE THE MAKE AND MODEL NUMBER INTO GOOGLE AND USE THE WORD “REAR” TO VIEW THE ENTIRE UNIT.

SPECIFICATIONS:

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

Weight: 19.1kg

Year: 1974