Pioneer QX-949
Specifications
Tuning range: FM, MW
Power output: 60W/ch (stereo), 40W/ch into 8Ω (quadraphonic)
Frequency response: 7Hz to 25kHz
Total harmonic distortion: 0.3%
Damping factor: 35
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 150mV (line)
Speaker load impedance: 4Ω to 16Ω
Semiconductors: 14 x FET, 7 x IC, 118 x transistors, 69 x diodes
Dimensions: 550 x 160 x 440mm
Weight: 22.4kg
Year: 1974
Repair:
Fully cleaned and tested
LED upgrades completed
Power supply recapped with transistors replaced
Protection board recapped with transistors replaced
Control board recapped with transistors replaced
Power amplifier recapped with transistors replaced
Bias adjusted
Glass replaced
Pots and switches professionally cleaned