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Kenwood KR-5150

Solid State AM/FM Stereo Receiver (1970)

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Kenwood KR-5150

Specifications

Tuning range: FM, MW

Power output: 33 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 40kHz

Total harmonic distortion: 0.5%

Damping factor: 50

Input sensitivity: 1.8mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)

Signal to noise ratio: 58dB (mic), 65dB (MM), 75dB (DIN), 75dB (line)

Output: 150mV (line), 30mV (DIN)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 2 x IC, 2 x FET, 36 x transistors, 33 x diodes

Dimensions: 16 3/4 x 5 1/2 x 12 3/8 inches

Weight: 21lbs

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Reviews

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rating
Reviewed Jul 15th, 2014 by tgerbic

Parents bought one of these in the early to mid 70s. Still working today. Never repaired and still in use. Only stereo so I can only give it a 9.

 

Comments

KR-5150 needs repair

Hi
My trusty old 5150 that I purchased new in '71 has just started having a problem.
It comes on with lots of sputtering and dial light blinking and then after a few seconds the sputtering stops and the lights are steady but the left channel is very weak. Right channel good. Any ideas anyone?
I have started changing out the electrolytics with new ones but still the same.

re: KR-5150 needs repair

Clean the power switch with contact cleaner. With it UNplugged.

re: KR-5150

I found one that was discarded for free.

Nice clean sound (I am a classical music person), Tuner very good, records sound good, well built (heavy for its size).

Really surprise how good this early transistor receiver sounds.

Easy listening, no fatigue.

Interesting Features:
Separate pre-amp output
Main-Amp input
2 turntable inputs
Step base and treble tone controls
3 set of speaker inputs A,B,C

The only thing that is a put off is the "HAM" radio look of the front panel.

Does anyone have the service manual?
I would like to tune the AMP section( current and DC offset).

Thanks

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