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Kenwood KR-4140

Solid State Stereo AM FM Receiver (1970)

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Kenwood KR-4140


Tuning range: FM, MW

Power output: 18 watts per channel into 8Ω (stereo)

Frequency response: 20Hz to 40kHz

Total harmonic distortion: 0.08%

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: 23lbs

Accessories: optional SR-66 walnut cabinet

Year: 1970



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Reviewed Jul 11th, 2018 by clau_bk

fantastic sound

Reviewed Nov 05th, 2017 by mikkazx

This is my Grandpa's unit and I use it daily. Delivers excellent sound. Unfortunately, the tuning bulb has blown and I am yet to find a replacement.

Reviewed Aug 17th, 2017 by KenwoodKR4140

Terrific value in my opinion. Beautiful, warm sound, punchy bass. Great tuning reception, even in my basement. It's 20 modest watts per channel sound better than my more powerful receivers. With speakers of 90 db sensitivity, it'll be all the receiver you need. Mine has blue led replacement bulbs. It's awesome.



re: KR-4140


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