SX-636 (Type GN)

Radio Receiver

Main Details
Maker Pioneer Brand
  • 2 × Channel
Form Factor Standard Width
Signal Path Analog Hardware
Made In Japan
Date Produced 1974-1975
(H × W × D)
Weight 25lbs
Power Source 220VAC, 50/60Hz 220W
Notes SEMCO (Sweden), NEMCO (Norway) and DEMCO (Denmark) regions model.
Additional Specifications
Power Output (8/4Ω) 25W/27W
Power Output (1kHz, 8/4Ω) 27W/30W
THD (Rated Output) ≤0.5%
THD (1W) ≤0.07%
IMD (Rated Output) ≤0.5%
IMD (1W) ≤0.07%
Power Bandwidth (IHF, THD 0.5%) 5Hz-60kHz
Damping Factor (1kHz, 8Ω) ≥35
Residual Hum & Noise (8Ω) ≤0.5mV
Input Sensitivity (Phono) 2.5mV
Input Impedance (Phono) 50kΩ
Phono Overload Level (RMS) 110mV
Phono Overload Level (p-p) 310mV
Input Sensitivity (Mic) 7mV
Input Impedance (Mic) 85kΩ
Input Sensitivity (Aux) 150mV
Input Impedance (Aux) 60kΩ
Input Sensitivity (Tape Play 1, 2) 150mV
Input Impedance (Tape Play 1, 2) 60kΩ
Output Level (Tape Rec 1, 2) 150mV
Output Level (Tape Rec 2 [DIN]) 30mV
Output Impedance (Tape Rec 2 [DIN]) 80kΩ
Frequency Response (RIAA EQ) 30Hz-15kHz ±0.5dB
SNR (Phono, IHF, Short-Circuited, A network) ≥70dB
Frequency Response (Aux, Tape) 20Hz-30kHz +0.5dB/-1dB
SNR (Mic, IHF, Short-Circuited, A network) ≥65dB
SNR (Aux, Tape, IHF, Short-Circuited, A network) ≥95dB
FM Sensitivity (IHF) 1.9µV
FM Capture Ratio (IHF) 1.0dB
FM Selectivity (IHF) 60dB
FM Image Rejection (98MHz) 60dB
FM IF Rejection (98MHz) 90dB
FM AM Suppression 50dB
FM THD (Mono) ≤0.2%
FM THD (Stereo) ≤0.4%
Frequency Response (FM) 20Hz-15kHz +0.2dB/-2.0dB
Frequency Response (FM) 50Hz-10kHz +0.2dB/-0.5dB
FM Stereo Separation (1kHz) ≥40dB
FM Stereo Separation (50Hz-10kHz) ≥30dB
FM Subcarrier Suppression 40dB
Input Impedance (Antenna, Balanced) 300Ω
Input Impedance (Antenna, Unbalanced) 75Ω
AM Sensitivity (IHF, Ferrite Antenna) 300μV/m
AM Sensitivity (IHF, External Antenna) 15μV
AM Selectivity 35dB
AM Image Rejection 40dB
AM IF Rejection 70dB


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