• Country
• Japan

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

• Year
• 1969/1970 ?

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

• Radiomuseum.org ID
• 81165

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

• Number of Tubes
• 6

• Valves / Tubes
• 6BZ6 6BL8 6CB6 6BA6 6BA6 6BM8

• Number of Transistors
• 4

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 5355-5995/455 kHz; 2 AF stage(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 110-120; 220-240 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 1 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: JR-310 - Kenwood, Trio-Kenwood Inc.;

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

• Dimensions (WHD)
• 330 x 180 x 315 mm / 13 x 7.1 x 12.4 inch

• Notes
• TRIO Communications Receiver JR-310.
  Coverage HAM-bands 80 - 10 m.

• Net weight (2.2 lb = 1 kg)
• 9.1 kg / 20 lb 0.7 oz (20.044 lb)

• Price in first year of sale
• 780.00 DM

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

• Mentioned in
• RIM electronic 71

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

• Other Models

• Here you find 881 models, 814 with images and 250 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kenwood, Trio-Kenwood Inc.; Komagane