Model Number: PIONEER SG-9800

Form: Stereo receiver

Year: 1970

Tuning range: FM, MW

Power output: 12 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 70kHz

Total harmonic distortion: 1%

Damping factor: 40

Input sensitivity: 6.5mV (mic), 3mV (MM), 180mV (DIN), 180mV (line)

Signal to noise ratio: 75dB (MM), 85dB (line)

Output: 180mV (line), 36mV (DIN)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 1 x FET, 30 x transistors, 24 x diodes

Recording Output:

Tape Rec (Pin Jack) :  180 mV

Tape Rec (DIN connector) :  36 mV

Bass Control :  -9 dB, +9 dB / 100 Hz

Treble Control :  -9 dB, +6 dB / 10 kHz

Weight: 7.9kg

Dimensions: (W×H×D)-(31 x 146 x 347)mm





PIONEER SX-424 is a AM/FM solid state stereo receiver, manufactured in 1970. The output power is rated at 12w per channel into 8 ohms. The frequency response is 20hz to 70khz and total harmonic distortion is 1%. It’s a budget-priced AM/FM stereo receiver with special features for sensitive FM tuning and wide frequency response. The sources are records, tape, FM and microphone. The speaker output impedance is from 4Ω to 16Ω.



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