• Year
  • 1961 ?
  • Category
  • Amateur-Receiver (amateur bands, may include broadcast bands)
  • Radiomuseum.org ID
  • 312769
    • alternative name: Trio Corp.
    • Brand: Jennen

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

 Technical Specifications

  • Number of Tubes
  • 9
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 85; 100 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: 9R-4 - 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
  • Trio 9R-4 AM/CW with BFO, ANL, AVC/MVC. Kit-Form avaliable. Looks similar to Hallicrafters S-38 (which has no RF stage and only one IF stage. Also has separate local oscillator tube). Needs a speaker with output-transformer.

  • Net weight (2.2 lb = 1 kg)
  • 20 lb (20 lb 0 oz) / 9.080 kg
  • Literature/Schematics (1)
  • - - Manufacturers Literature
  • Author
  • Model page created by Gary Albach. See "Data change" for further contributors.

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