Stereo AM/FM Receiver (1976-1977)
The Pioneer SX-850 is a high power AM/FM stereo receiver with super-quiet phono equalizer and outstanding FM selectivity/sensitivity.
How do you know when to trust a stereo receiver to fill your musical needs?
Power output by itself is not much help, because unless your listening room is the size of a concert hall, a receiver with far less than concert-hall-sized output will do nicely.
The answer, obviously, is to put your trust in the circuitry the kind that you'll enjoy in the pioneer SX-850.
It delivers a continuous power output of 65 watts per channel, min RMS at 8 ohms, from 20 to 20,000 Hertz, with no more than 0.1% total harmonic distortion.
But even more importantly, it has the strength and finesse to handle that power with a healthy respect for musicality.
The SX-850 has a super-quiet phono equalizer in a 3-stage direct-coupled design to achieve wide dynamic range and +- 0.2dB RIAA equalization accuracy.
A FET in the Tone Control section, plus a 2-step frequency turnover switch for Bass and another for Treble, 2-deck monitor/dubbing, 2-system speaker drive, separable pre/main and more, mean further control versatility.
The superb FM/ AM section uses a dual-gate MOS FET and a 4-gang variable capacitor to boost sensitivity and selectivity, a PLL IC in the multiplex to improve stereo separation, and a special Integrated Circuit in the AM for still better reception and less noise.
It's the Pioneer SX-850 - the one you can trust to keep faith with your musical needs.
Tuning range: FM, MW
Power output: 65 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: 70dB (MM), 90dB (line)
Output: 150mV (line), 30mV (DIN), 1V (Pre out)
Speaker load impedance: 4Ω (minimum)
Semiconductors: 3 x FET, 3 x IC, 56 x transistors, 36 x diodes
Dimensions: 526.6 x 173 x 411.5mm
Accessories: FM T-type antenna
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