Pioneer Model SX-850 Receiver

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Front View EBay Auction #288163939 Date: 3/20/2000

General Description Receiver Rarity Common Designed in Japan Manufactured In Japan Wood Case Yes Silver Face Yes Channels Two IC Count 3 FET Count 3 Transistor Count 56 Diode Count 36 Speaker Connections Two Pair Chassis Ground Two binding posts AC Switch Yes Switched AC Outlets Two Unswitched AC Outlets One Power Consumption 420 watts max

Physical Panel Width 20 3/4ths Panel Height 6 13/16ths Depth 16 3/16ths Weight 42 lb 3 oz, 49 lb 6 oz w/package

Amplifier RMS Power Per Channel 65 @ 8 ohms, 85 @ 4 ohms Damping Factor @ Load Impedance 25 Total Harmonic Distortion (THD) 0.1% Power Bandwidth 7 Hz to 90 kHz Frequency Response 7 Hz to 90 kHz Hum and Noise 100 dB Intermodulation Distortion (IM) 0.1% Input Impedance 50 k-Ohm Input Sensitivity for Full Output 1 volt Output Impedance(s) 8 to 4 ohms

FM Tuner RF Sensitivity 1.8 uV 300 Ohm Binding Posts Yes 75 Ohm Binding Posts Yes 50 dB quieting sensitivity, Stereo 44 uV 50 dB quieting sensitivity, Mono 4 uV Ultimate Quieting 72 dB (mono) @ 65 dBf (1000 uV) THD, Mono 0.15% THD, Stereo 0.30% Signal to Noise Ratio, Mono 72 dB Signal to Noise Ratio, Stereo 67 dB Frequency Response 30 Hz to 15 kHz Capture Ratio 1.0 dB IF Image Rejection 85 dB IF Rejection 100 dB Stereo Subcarrier Rejection 62 dB SCA Suppression 62 dB Alternate Channel Selectivity (wide or normal) 80 dB Spurious Rejection 62 dB AM Carrier Rejection 55 dB Stereo Separation at 1 kHz 40 dB Mono Switch Yes Signal Strength Meter Yes Center Tuning Meter Yes Stereo Lamp Yes 25 uS Deemphasis Switch (Dolby Associated) Yes, on rear deck Quadradial Output (FM Discriminator output, unequalized) Yes

AM Tuner RF Sensitivity 300 uV/meter or 15 uV @ binding posts Alternate Channel Selectivity 35 dB IF Rejection 65 dB Image Rejection 40 dB Signal to Noise Ratio 50 dB Signal Strength Metering Yes External Ferrite Antenna Yes

Preamplifier Single Bass Adjustment +/- 7 dB, or +/- 10 dB @ 100 Hz Single Treble Adjustment +/- 7 dB, or +/- 10 dB @ 10 kHz Tone Control Defeat Yes Bass Turnover Options 200 Hz or 400 Hz Treble Turnover Options 5 kHz or 2.5 kHz High Filter 6 kHz, 6 dB/octave Low Filter 30 Hz, 6 dB/octave Gain Control Yes Loudness Contour Yes Mono Yes Muting 20 dB Balance Yes Number of Tape Monitors Two Tape to Tape Dubbing 1 to 2, or 2 to 1 Auxillary Input Source Yes Phono Input Source Yes 2nd Phono Input Source Yes Illuminated Source Indicators Yes Tuner Source Input Integral AM/FM Source Microphone Input Yes (or phono II) Tape Monitor Yes 2nd Tape monitor Yes Preamp to Amplifier Jumper(s) Yes, require bridging Headphone Jack(s) Yes Speaker Selection Nomenclature A, B (Illuminated A and B indicators) Hum and Noise 90 dB @ aux input