Pioneer SX-450 (15W/Ch) Stereo Receiver

****Defective Power Switch Unit Is Always On**** Lamps Replaced with LEDs Recapped Power Supply Description The Pioneer SX-450 is a 15 watt FM/MW stereo receiver featuring FM muting, tape monitor switch and provision for 2 pairs of speakers. The unit employs a direct-coupled OCL circuit in the power amplifier with a first-stage differential amplifier. High FM sensitivity is ensured by a low noise FET in the front end with a frequency linear 3-gang variable capacitor. Specifications Tuning range: FM, MW Power output: 15 watts per channel into 8Ω (stereo) Frequency response: 20Hz to 60kHz Total harmonic distortion: 0.5% Damping factor: 25 Input sensitivity: 7.5mV (mic), 2.5mV (MM), 150mV (line) Signal to noise ratio: 70dB (MM), 90dB (line) Output: 150mV (line), 30mV (DIN) Speaker load impedance: 4Ω (minimum) Semiconductors: 1 x FET, 3 x IC, 28 x transistors, 15 x diodes Dimensions: 448 x 141 x 307mm Weight: 8.6kg Accessories: FM T-type antenna Year: 1976 Texas: #124