Pioneer SX 636 Silver Vintage Stereo Receiver

Unit is very clean. Fantastic Condition

The SX-636 was introduced in 1974 and manufactured through 1975. It was rated at 25 watts per channel. Pioneer cut the THD by 50% with the SX-636 compared to the SX-626. The intermodulation distortion was also cut in half. The tuner sensitivity and capture ration was also improved with this model. It's list price was just under $350.00.

Specifications:

Power Output: 25 watts per channel RMS into 8 ohms, 25 watts into 4 ohms
Harmonic Distortion: Less than 0.8%
Intermodulation Distortion: Less than 0.8%
Power Bandwidth: 10Hz to 70kHz
Damping Factor:
Residual Hum and Noise: >0.5mV

FM Sensitivity: 1.9uV
FM Signal to Noise Ratio: 70dB
IF Rejection: 90dB
Spurious Rejection: 90dB
Harmonic Distortion Mono: <0.2%
Harmonic Distortion Stereo: <0.4%
Stereo Separation: >40dB

Controls:

Bass
Treble
Balance
Volume
Function: AM, FM, Phono/Mic, Aux

Switches:

Power
Speakers A
Speakers B
Mono
Tape Monitor 1
Tape Monitor 2
Loudness
FM Muting Off

Jacks:

Mic
Headphones

Indicators:

Signal Strength Meter
Tuning Meter
STEREO
AM

Rear Panel:

AC Outlet Unswitched
AC Outlet Switched
Phono Input (L, R)
Aux Input (L, R)
Tape Monitor 1 Rec (L, R)
Tape Monitor 1 PB (L, R)
Tape Monitor 2 Rec (L, R, DIN)
Tape Monitor 2 PB (L, R, DIN
Speaker System A (L, R)
Speaker System B (L, R)