Pioneer SX-434 AM/FM Stereo Receiver (1974-76)
Pioneer SX-434 features a high performance FM front end with low noise FET and 3-gang frequency linear variable capacitor. Phase linear ceramic filters and an IC in the FM IF section provide high selectivity of 60dB.
Other features include click stop tone controls, 2 pairs of speaker terminals and a headphone socket.
Tuning range: FM, MW
Power output: 15 watts per channel into 8Ω (stereo)
Frequency response: 30Hz to 25kHz
Total harmonic distortion: 0.8%
Damping factor: 25
Input sensitivity: 10mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
Signal to noise ratio: 65dB (mic), 70dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN)
Speaker load impedance: 4Ω to 16Ω
Semiconductors: 1 x FET, 3 x IC, 27 x transistors, 13 x diodes
Dimensions: 430 x 140 x 347mm
Accessories: FM T-type antenna
Serial No. U113107815
Description of Works
Replaced all electrolytic capacitors in main amplifier PCB.
Replaced all lamp globes.
Inspected PCB's for dry joints and re-soldered.
Checked all electrical adjustments.
Cleaned & deoxit potentiometers and switches.
Cleaned & detailed unit.
New 240vac power lead.
Includes: FM Ribbon Antenna