Kenwood KR-4070

The Kenwood KR-4070 is a great no frills receiver the Kenwood made from 1978 until about 1981. It retailed for $300 and produces 40 watts per channel with 0.1% THD. It has the classic late 1970’s Kenwood styling.

Kenwood KR-4070 Lit

A well laid out control panel, fluted knobs and amber backlighting give it a great look day or night. Options included the CB-7K Walnut veneer cabinet, the B-7 walnut veneer side panels and/or D-7 carrying handles.

Kenwood KR-4070 Ad

Features include:

  • FM Auto Muting
  • Connections for 2-pairs of speakers
  • Natural low-boost only loudness control
  • Tape monitor
  • Shock noise elimination circuit
  • Center-off tone controls
  • FET low noise FM front end with 3 gang tuning capacitor
  • Center tune FM meters
Kenwood KR-4070 Meters

Of course, Kenwood is known for their quality tuners and the KR-4070’s tuning is no exception. The Loudness control is also very good and contours the sound perfectly for low level listening.

Kenwood KR-4070 Knobs

If you run across a KR-4070 you will probably find that some or all of the dial lamps have gone out. These are fairly easy to replace and are basic 8V 300mA fuse type bulbs and can readily be found on eBay. You can find what is currently available HERE.

Kenwood KR-4070 Inside

Another issue that is common to Kenwood receivers of this era is the power switch. Despite the good build quality of the Kenwood line the power switch was, for some reason, an exception. It tends to fail over time and many Kenwoods you’ll find today have an issue with it. There are a few fixes that can be found online that include cleaning the switch and replacing the wiper or installing a relay. The KR-4070 measures 5 7/8″ x 18 1/2″ x 11 13/16″ and weighs just under 21 pounds

Kenwood KR-4070 Inputs

Despite its minor issues the Kenwood KR-4070 is a great receiver. As mentioned previously it is a no frills stereo but it is built well and performs fantastically. You can find them for about $150 to $400 depending upon condition which is a bargain relative to other similarly rated receivers.

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5 thoughts on “Kenwood KR-4070

  1. I have a like new kenwood sterio receiver kr-4070. It was used once and been stored for years. How much more valuable is it when it comes with the original box an Manuel. The box is in pristine condition.

  2. Got one of these in a large collection of vintage radios. Well built and sounds great. Controls were easy to access for cleaning. Right away it picked up AM stations hundreds of miles away with only its loopstick. They weren’t kidding about the quality of the tuner. Definitely a keeper.

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