Yamaha CR-400 Natural Sound Stereo Receiver Vintage 1974 AC100V 80W Audio Japan

Description

Model stereo receiver
<Audio section>
Effective output (distortion rate 0.5%) 16W+16W (8Ω, both channels driven, 20Hz to 20kHz)
18W+18W (8Ω, both channels driven, 1kHz)
20W/20W (8Ω, single channel drive, 1kHz)
Dynamic power 56W or more (IHF, 8Ω)
Total harmonic distortion rate (20Hz to 20kHz) 0.5% or less (at effective output)
0.1% or less (at 1W output)
Cross-modulation distortion rate 0.1% or less (70Hz:7kHz=4:1, at effective output)
Power bandwidth (IHF, distortion rate 0.5%) 15Hz to 50kHz
Frequency characteristics Phono (RIAA deviation): 30Hz to 15kHz ±0.7dB
Mic:100Hz~10kHz +0.5 -6dB
Aux:20Hz~50kHz +0.5 -3dB
Damping factor 40 (1kHz, 8Ω)
Input sensitivity/impedance
(at 1kHz, effective output) Phono:3mv/50kΩ
Mic:3mV/50kΩ
Aux, Tape PB: 150mV/100kΩ
Phono maximum allowable input (distortion rate 0.5%) 135mVrms
MIC maximum allowable input (distortion rate 0.3%) 450mVrms
Output level/impedance Rec out:150mV/10kΩ
Pre out:200mV/3kΩ
Tone control Bass:±10dB(50Hz)
Treble:±10dB(10kHz)
S/N (IHF, A network) Phono:72dB
Mic:60dB
Aux, Tape PB:85dB
<FM tuner section>
Reception frequency 76MHz~90MHz
Practical sensitivity (IHF, 84MHz) 2.5μV
Image interference ratio (84MHz) 55dB
IF interference ratio (84MHz) 75dB
Spurious interference ratio (84MHz) 75dB
AM suppression ratio 50dB
Capture ratio 2.0dB
Effective selectivity (IHF) 65dB
S/N 68dB
Total harmonic distortion mono: 0.3% or less
stereo: 0.8% or less (400Hz)
Stereo separation (400Hz) 40dB or more
Frequency characteristics 50Hz to 10kHz ±1.0dB
<AM tuner section>
Reception frequency 525kHz~1605kHz
Practical sensitivity 52dB/m (IHF, bar antenna)
25μV (external antenna)
S/N(80dB/m) 43dB
Image interference ratio (1000kHz) 45dB
IF interference ratio (1000kHz) 40dB
Selectivity (1000kHz) 25dB
<General>
Semiconductor used: Transistor: 38 pieces
FET: 3 pieces
Diode: 22 pieces
Zener diode: 1 piece
Light emitting diode: 2 pieces
IC: 4 pieces
Power consumption 80W (rated)
130W (max)
AC outlet Switched:200W
Unswitched:200W
External dimensions Width 444x Height 158x Depth 300mm
Weight 9.5kg