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.

Listings from eBay

LED KIT- KR-4070 (8v BLUE WEDGE + COOL WHITE LAMPS)DIAL METER/KR-4770 Kenwood

$14.69
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LED LAMP KIT KR-4070 RECEIVER(8v WARM WHITE )DIAL METER/VINTAGE/KR-4770 Kenwood

$14.69
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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 $80 to $200 depending upon condition which is a bargain relative to other similarly rated receivers.

Listings from eBay

KENWOOD KR-4070 VINTAGE STEREO RECEIVER - SERVICED - CLEANED - TESTED

$296.95
End Date: Wednesday Apr-8-2020 19:44:04 PDT
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Kenwood AM-FM Stereo Tuner Amplifier KR-4070

$139.99
End Date: Sunday May-3-2020 16:02:51 PDT
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Kenwood AM-FM Stereo Receiver Model KR-4070

$59.99
End Date: Saturday Apr-25-2020 16:02:09 PDT
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Vintage Kenwood KR-4070 AM/FM Stereo Receiver. Parts Only

$99.95
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Sansui G-3500

From Sansui’s G-x500 line, this is the Sansui G-3500 Pure Power Stereo Receiver. It was at the bottom end of the G-x500 line. Produced from 1978-1981 it retailed for roughly $275 and produces 26 watts per channel into 8 ohms. It has a little less power than the G-4500 (40 wpc) but, otherwise, is identical.

The G-3500 has the classic styling of Sansui’s G-x500 line with large symmetrical volume and tuning knobs at the center of the unit, beveled knob edges and textured button faces. When lit the stereo glows with a warm amber look.

One feature of the G-3500 is the Mic Mixing Level control. Sansui advertised this as being very useful when throwing home disco parties, which, during the time of production for this stereo, probably would have been very popular. The stereo has no mid range tone control but does have a loudness button as well as both signal and tuning strength meters.

It is rated for 8 ohm speakers and is not rated for 4 ohms. Total harmonic distortion is 0.1%. Its weight and dimensions are:

17 1/16″ x 6 1/16″ x 14″
16.5 lbs

One of the most common problems with the Sansui G-3500, and other G-x500 receivers for that matter, is that the bulbs die. However, replacements bulbs can be found on eBay in both incandescent and LED form.

Listings from eBay

(25)WEDGE BASE 8V LED LAMP/G-3500,G-301,G-401,G-701,G-801,G-901/ RECEIVER-SANSUI

$25.97
End Date: Friday Apr-10-2020 6:21:41 PDT
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Full Set -Series LED Lamps/Bulbs Sansui G-4500/401, G-3500/301, G-3000, G-2000

$24.60
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Overall, the Sansui G-3500 is a great little receiver with a nice sound and plenty of power for smaller rooms. The Sansui receivers built in the 1970’s are all very well made and nice looking. The G-3500 sells for about $150 to $250 which is very reasonable for a quality piece of vintage audio equipment.

Listings from eBay

Sansui G-3500 Stereo Receiver

$239.99
End Date: Wednesday Apr-8-2020 11:48:22 PDT
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Sansui G-3500/10.6oz-4500/401 Original AM/FM Stereo Receiver Service Manual O152

$29.88
End Date: Sunday Apr-12-2020 19:21:07 PDT
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Sansui G4500/G3500 Original AM/FM Tuner. Tested. Parting Out G3500.

$29.99
End Date: Monday May-4-2020 18:36:53 PDT
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(25)WEDGE BASE 8V LED LAMP/G-3500,G-301,G-401,G-701,G-801,G-901/ RECEIVER-SANSUI

$25.97
End Date: Friday Apr-10-2020 6:21:41 PDT
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Sansui G4500/G3500 Original F-2713 MIC Amp Board. Tested. Parting Out G3500.

$24.99
End Date: Sunday May-3-2020 17:16:37 PDT
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