Pioneer

SX-838 (Type KCU)

Radio Receiver

Main Details
Maker Pioneer Brand
Function
Channels/Tracks
  • 2 Channel
Form Factor Standard Width
Signal Path Analog Hardware
Made In Japan
Date Produced 1974-1975
Dimensions 6.9"x20.5"x16.6" (HxWxD)
Weight 36lbs
Power Source 120VAC, 60Hz 240W (UL)
Frequency Response 10Hz-70kHz
Notes USA and Canadian markets specific model
Additional Specifications
Power Output (8/4Ω) 50W/60W
Power Output (1kHz, 8/4Ω) 55W/70W
THD (Rated Output) ≤0.3%
THD (1W) ≤0.05%
IMD (Rated Output) ≤0.3%
IMD (1W) ≤0.05%
Power Bandwidth (IHF, THD 0.03%) 5Hz-40kHz
Input Sensitivity (Power Amp In) 1V
Input Impedance (Power Amp In) 50kΩ
Damping Factor (1kHz, 8Ω) ≥45
SNR (IHF, Short-Circuited, A Network) ≥110dB
Residual Hum & Noise (8Ω) ≤1mV
Input Sensitivity (Phono 1) 2.5mV
Input Impedance (Phono 1) 50kΩ
Phono Overload Level (RMS) 170mV
Phono Overload Level (p-p) 480mV
Input Sensitivity (Mic) 2.0mV
Input Impedance (Mic) 50kΩ
Input Sensitivity (Aux) 150mV
Input Impedance (Aux) 80kΩ
Input Sensitivity (Tape Play 1, 2) 150mV
Input Impedance (Tape Play 1, 2) 80kΩ
Output Level (Tape Rec 1, 2) 150mV
Output Level (Tape Rec 2 [DIN]) 30mV
Output Impedance (Tape Rec 2 [DIN]) 80kΩ
Output Level (Pre Out) 1V
Output Impedance (Pre Out) 2kΩ
THD (Pre Out, 20Hz-20kHz) ≤0.1%
Frequency Response (RIAA EQ) 30Hz-15kHz ±0.3dB
SNR (Phono, IHF, Short-Circuited, A network) ≥70dB
Frequency Response (Aux, Tape) 15Hz-40kHz +0.5dB/-1dB
SNR (Mic, IHF, Short-Circuited, A network) ≥65dB
SNR (Aux, Tape, IHF, Short-Circuited, A network) ≥95dB
FM Sensitivity (IHF) 1.8µV
FM Capture Ratio (IHF) 1.0dB
FM Selectivity (IHF) 80dB
FM SNR 70dB
FM Image Rejection (98MHz) 100dB
FM IF Rejection (98MHz) 100dB
FM AM Suppression 55dB
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 65dB
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 40dB
AM SNR 50dB
AM Image Rejection 65dB
AM IF Rejection 85dB

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