Kenwood KR 4050 Receiver

Kenwood KR 4050 Receiver

Kenwood KR 4050 Receiver (1975-1976)


Kenwood KR 4050

Kenwood KR 4050

pdfSchematic



TECHNICAL SPECIFICATIONS


Tuner:

Tuning range FM: 88 to 108 Mhz
Sensitivity IHF: 2.0 µV
Selectivity: > 50 dB
Stereo Separation: > 40 dB - 1Khz
Tuning range AM: 535 to 1605 Khz
Sensitivity IHF: 25 µV

Amplifier:

Power output: (RMS) 2 X 20w/8 ohms
Frequency response: 22Hz/35kHz
Output Impedance: 8 ohms
Damping factor: 50
Total Harmonic output: 0,7%/8 ohms
Input Sensitivity Phono: 3 mV
Input Sensitivity Tuner: 200 mV
Input Sensitivity Aux: 200 mV
Input Sensitivity Tape In: 200 mV
Signal to Noise Ratio Phono: 60 dB
Signal to Noise Ratio Tuner: 64 dB
Signal to Noise Ratio Tape In: 64 dB
Signal to Noise Ratio Aux: 64 dB

Dimensions: 450 x 140 x 380 mm
Weight: 10.2 Kg



Wholesale Electronics.Inc (NTE)

Transistors Equiv Other
3SK30 NTE132
2SC1000 BC184L-2N3707 KT3102V-NTE199
2SA620 BC214L-2SA701 2N4058-KT357G
2SC381 BC182L-2N3710 KT375D-NTE107
2SC535 BFY90-2N2857 KT358B-NTE107
2SC945 2SC1815-BC237 KSC945
2SC785 BF185-2N3983 KT358B
2SA733 BC212L-2N4061 KT3107K-NTE290A
2SC458 2SC1844 2SC945-NTE85
2SD220 BSW66-2N4001 KT605A-NTE128
2SC941 BF241-NTE289A KTC941
2SA621 BC214L-2N4058 NTE106
2SA743A BSW24-2N907A BD520-NTE185
2SC1212A BD169-2N4923 BD237-KSD794
2SA626 BDX94-2N3795 MJ701-NTE219
2SD180 BDY24-2N3448 BD293-NTE87
2SC1213A BSW66-2N4001 KSC2001-NTE289A
2SA673A BCW37-2N2904 NTE290A-KSA643
2SC1345 2SC1815-BC414 NTE199
Integrated Circuits Equiv Other
µPC555A NTE703A
Diodes Equiv Other
1S2076 NTE177
1S1555 NTE177
STV-3
1S338T NTE144A
V03C NTE125
1N60 NTE109
MV13 NTE177
V06B NTE125
Capacitors µf Volts Quantity (56)
3300 35 2
470 63 1
330 16 1
220 35 1
220 6.3 1
100 35 2
100 16 1
100 10 7
47 50 2
47 10 5
33 50 2
10 63 1
10 50 1
10 25 16
10 16 1
3.3 50 2
3.3 25 2
1 50 8