• Country
• Japan

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

• Year
• 1959–1963

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

• Radiomuseum.org ID
• 69096

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

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

• Number of Tubes
• 9

• Valves / Tubes
• 6BD6 6BE6 6BE6 6BD6 6BD6 6AV6 6AV6 6AR5 5Y3GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110/220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Metal case

• from Radiomuseum.org
• Model: 9R-4J - Kenwood, Trio-Kenwood Inc.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 395 x 210 x 305 mm / 15.6 x 8.3 x 12 inch

• Notes

• AM/CW with BFO, ANL, AVC/MVC. In Europe under the Jennen-Label and in the US-Market as Lafayette HE-10. Kit-Form avaliable. Also as OTRA 9R-4J. Looks very similar to Hallicrafters S-38 (which has fewer tubes and no RFstage). Needs a speaker with output-transformer!

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• External source of data
• Eilert Menke

• Mentioned in
• Shortwave Receivers - Past & Present (3rd ed.)

• Author
• Model page created by a member from D. See "Data change" for further contributors.

• Other Models

• Here you find 877 models, 810 with images and 245 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kenwood, Trio-Kenwood Inc.; Komagane