This is a beautiful example of a big Pioneer steel face SX receiver. Looks great. Sounds even better. And at 120wpc, it will power almost any speakers you give it the chance to.
- Full service check
- Deep cleaned controls, switches, and chassis
- Tested at .1% distortion in both channels
- Walnut case restored
Tuning range FM, MW
Power output 120 watts per channel into 8Ω (stereo)
Frequency response 10Hz to 50kHz
Total harmonic distortion 0.1%
Damping factor 25
Input sensitivity 6.5mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)
Signal to noise ratio 75dB (MM), 90dB (line)
Output 150mV (line), 30mV (DIN), 1V (Pre out)
Semiconductors 4 x FET, 5 x IC, 79 x transistors, 49 x diodes
Dimensions 526.6 x 173 x 453.5mm
Weight 52lbs / 23.4kg
Pioneer SX 1050 Owner's Manual
The History of Pioneer
Pioneer was founded by Nozomu Matsumoto in 1938 in Tokyo as a radio and speaker repair shop. In December 1953 Mr. Nozomu Matsumoto succeeded in developing the first domestic dynamic speaker made of original parts. It was named A-8 and marketed in Japan under the Pioneer brand. It later became the origin of the HiFi ...
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High sensitivity, outstanding circuit design in a new AM/FM receiver.The Pioneer SX-1050 puts every significant AM/FM receiver feature together in a strikingly handsome package.From a highly sensitive FM front end, a high selectivity IF section, to the low distortion, big power amplifier section that delivers the outstanding continuous power output of 120 watts per channel min RMS at 8 ohms from 20 to 20,000Hz, with no more than 0.1 % total harmonic distortion, the SX-1050 radiates the excellence that the stereo buff has come to expect from Pioneer electronics.Such features as a phase locked loop IC in the MPX section, the audible multipath switch that helps eliminate FM wave interference, and the highly advanced equalizer section are not just extra touches in this receiver, but exemplify the considerable thought that has been applied to the overall design and circuit of the SX-1050.Other important contributions to flawless sound include the Pioneer Twin Tone Control, the Toroidal-core transformer, the two very large capacitors in the power supply section - all calculated to reproduce the sound spectrum with stability arid full component protection in the inimitable Pioneer style.