Yamaha

CR-820/C

Receiver

Main Details
Maker Yamaha Brand Nippon Gakki Co. Ltd. Company
Function
Channels/Tracks
  • 2 × Channel
Form Factor Standard Width
Signal Path Analog Hardware
Made In Japan
Date Produced 1976-1979
Dimensions
(H × W × D)
Weight 28.8lbs
Power Source 120VAC, 60Hz 240W
Frequency Response 20Hz-20kHz ±0.5dB
Notes Canada market specific model. Power supply and back panel differs between variants.
Additional Specifications
Output Power (20Hz-20kHz, 0.05% THD, 8/4Ω) 50/60W
Output Power (1kHz, 0.05% THD, 8/4Ω) 60/70W
Power Bandwidth 10Hz-50kHz
Damping Factor (1kHz, 8Ω) 40
THD 0.05%
Input Sensitivity (Phono 1/2, 1kHz) 2mV
Input Level (Phono, Max) 120mV
Input Impedance (Phono 1/2, 1kHz) 50kΩ
Input Sensitivity (Aux) 120mV
Input Impedance (Aux) 45kΩ
Input Sensitivity (Tape) 120mV
Input Impedance (Tape) 45kΩ
Output Level (Rec. Out, Phono) 120mV
Output Impedance (Rec. Out, Phono) 220Ω
Output Level (Rec. Out, Tuner) 120mV
Output Impedance (Rec. Out, Tuner) 6kΩ
Output Level (Rec Out, Max) 9V
Frequency Response (Phono, RIAA Deviation) ±0.5dB
Frequency Response (Aux) 20Hz-20kHz ±0.5dB
Frequency Response (Tape) 20Hz-20kHz ±0.5dB
SNR (Phono, IHF A Network) 78dB
SNR (Aux, IHF A Network) 97dB
SNR (Tape, IHF A Network) 97dB
Residual Noise (IHF A Network) 0.12mV
THD (Phono) 0.012%
THD (Phono, 1kHz, 50W/8Ω) 0.1%
THD (Aux, 25W/8Ω) 0.02%
THD (Tape, 25W/8Ω) 0.02%
Tuning Range (FM) 87.6MHz-108MHz
Usable Sensitivity (FM, 98MHz, IHF, Mono, 300Ω) 1.8µV 10.3dBf
Usable Sensitivity (FM, 98MHz, IHF, Mono, 75Ω) 0.9µV 10.3dBf
Usable Sensitivity (FM, 98MHz, DIN, Mono) 1.5µV SNR: 26dB
Usable Sensitivity (FM, 98MHz, DIN, Stereo) 50µV SNR: 46dB
Sensitivity (FM, 50dB Quieting, Mono) 3.2µV 15.3dBf
Sensitivity (FM, 50dB Quieting, Stereo) 40µV 37.2dBf
SNR (FM, Mono) 77dB
SNR (FM, DIN, Mono) 71dB
SNR (FM, Stereo) 73dB
SNR (FM, DIN, Stereo) 67dB
Image Interference Ratio (FM, 98MHz) 90dB
IF Interference Ratio (FM, 98MHz) 85dB
Spurious Interference Ratio (FM, 98MHz) 100dB
Amplitude Suppression Ratio (IHF) 65dB
Capture Ratio 1dB
Effective Selectivity (FM) 75dB
Effective Selectivity (FM, DIN) 52dB
THD (FM, Mono, 100Hz) 0.1%
THD (FM, Mono, 1kHz) 0.1%
THD (FM, Mono, 6kHz) 0.2%
THD (FM, Stereo, 100Hz) 0.15%
THD (FM, Stereo, 1kHz) 0.15%
THD (FM, Stereo, 6kHz) 0.3%
Cross Modulation Distortion (Mono, IHF) 0.05%
Cross Modulation Distortion (Stereo, IHF) 0.15%
Stereo Separation (FM, 50Hz) 30dB
Stereo Separation (FM, 1kHz) 40dB
Stereo Separation (FM, 10kHz) 30dB
Frequency Response (FM, ±0.3dB) 50Hz-10kHz
Frequency Response (FM, +0.5/-1dB) 30Hz-15kHz
Frequency Response (FM, +0.5/-3dB) 10Hz-18kHz
Sub Carrier Suppression 60dB
Tuning Range (AM) 525kHz-1605kHz
Usable Sensitivity (AM, IHF) 316µV/m 49dB/m
Selectivity (1kHz) 30dB
SNR (AM, 80dB/m) 50dB
Image Interference Ratio (AM, 1kHz) 55dB
IF Interference (AM, 1kHz) 40dB
Spurious Interference Ratio (AM, 1kHz) 55dB
THD (AM, 80dB/m) 0.4%
Output Level (FM, 100% Modulation) 450mV
Output Impedance (FM, 100% Modulation) 6.5kΩ
Output Level (AM, 30% Modulation) 120mV
Output Impedance (AM, 30% Modulation) 6.5kΩ

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