SW-Converter Table set (wood) tetrode input

Midwest Radio Co., The, (Miraco); Cincinnati, OH

  • Year
  • 1931/1932
  • Category
  • Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter
  • Radiomuseum.org ID
  • 229204
    • Brand: Miraco

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • RF Converter/Adapter (not voltage converter)
  • Wave bands
  • Short Wave (SW only)
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: SW-Converter Table set [tetrode input] - Midwest Radio Co., The, Miraco
  • Shape
  • Tablemodel without push buttons, Mantel/Midget/Compact up to 14
  • Dimensions (WHD)
  • 15 x 11.25 x 10.5 inch / 381 x 286 x 267 mm
  • Notes
  • SW-Converter. Best guess (from photos) for tube complement: 24 (mixer), 27 (oscillator), 27 (IF out), 80 (rectifier).

  • External source of data
  • Ernst Erb

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