Pioneer Model SX-626 Receiver

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Front View Image Attribution: Benjamin Busler Date: July 7th, 2002 Rear View Image Attribution: Benjamin Busler Date: July 7th, 2002

General Description AM-FM Receiver First Year 1971 Years Manufactured 1971-1973 Last Year 1973 Blue Face Yes Silver Face Yes Channels Two IC Count 4 FET Count 4 Transistor Count 41 Diode Count 22 Speaker Connections Three sets, 2 sets of screws, one euro-plug set Chassis Ground Knurled metal knob AC Switch Yes Fusing AGC for power, AGCx2 for speaker outputs Switched AC Outlets One Unswitched AC Outlets One Power Consumption 170 watts

Physical Panel Width 17 11/16ths Panel Height 5 11/32nds Depth 14 3/16ths Weight 21 lb, 13 oz

Amplifier RMS Power Per Channel 20 (20 Hz to 20 KHz, both channels driven, 1% THD) Damping Factor @ Load Impedance 40 at 8 ohms Power Bandwidth 10 Hz to 70 KHz Frequency Response 5 Hz to 80 KHz Intermodulation Distortion (IM) 1% Input Impedance 50 K-Ohm Input Sensitivity for Full Output 500 mv Speaker Selection A,B,C Output Impedance(s) 4 to 16 ohms

FM Tuner RF Sensitivity 2.0 uV 300 Ohm Binding Posts Yes 75 Ohm Binding Posts Yes THD, Mono 0.4% THD, Stereo 0.5% Signal to Noise Ratio, Mono 70 dB Capture Ratio 2.5 dB IF Image Rejection 80 dB IF Rejection 100 dB Alternate Channel Selectivity (wide or normal) 70 dB Spurious Rejection 90 dB AM Carrier Rejection 50 dB Stereo Separation at 1 kHz 40 dB Carrier Suppression 50 dB Signal Strength Meter Yes Stereo Lamp Yes Muting Switch Yes

AM Tuner RF Sensitivity 10 uV Alternate Channel Selectivity 30 dB IF Rejection 70 dB Image Rejection 80 dB Signal to Noise Ratio 50 dB Signal Strength Metering Yes External Ferrite Antenna Yes Antenna binding Posts Yes

Preamplifier THD 0.5% Single Bass Adjustment +/- 11 dB at 100 Hz Single Treble Adjustment -11 dB/+10.5 dB at 10 KHz High Filter -9 dB at 10 KHz, 6 dB/octave Low Filter -8 dB at 50 Hz, 6 dB/octave Loudness Contour Yes Mono Yes Balance Knob Number of Tape Monitors Two Auxillary Input Source Yes Phono Input Source Yes 2nd Phono Input Source Yes Tuner Source Input AM/FM Source Microphone Input Yes Preamp to Amplifier Jumper(s) Yes Headphone Jack(s) Yes Speaker Selection Nomenclature A,B,C Hum and Noise 95 dB at aux, 85 db at phono 1 or 2 Signal to Noise Ratio 95 dB at aux Frequency Response 15 Hz to 20 KHz +/- 1 dB Rated Output Level 500 mv Maxiimum Output Level 3 V