• Country
• Japan

• Manufacturer / Brand
• Kenwood, Trio-Kenwood Inc.; Komagane

• Year
• 1974–1976 ?

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 73764

• • alternative name: Trio Corp.
  • Brand: Jennen

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 20

• Semiconductors

• Main principle
• Superhet, double/triple conversion

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Power type and voltage
• Line / Batteries (any type) / 100-240 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 1.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: QR-666 - Kenwood, Trio-Kenwood Inc.;

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 360 x 165 x 310 mm / 14.2 x 6.5 x 12.2 inch

• Notes
• am, ssb (bfo), coverage 170 - 30000 kHz, optional fm-tuner 88 - 108 MHz, bandspread for amateur bands, calibrator.

• Net weight (2.2 lb = 1 kg)
• 7.3 kg / 16 lb 1.3 oz (16.079 lb)

• Price in first year of sale
• 940.00 DM

• Source of data
• Shortwave Receivers - Past & Present (3rd ed.)

• Mentioned in
• Funkschau (19/1975, S. 47, 48, 49, 50)

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 881 models, 814 with images and 249 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kenwood, Trio-Kenwood Inc.; Komagane