• Year
  • 1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 34686
    • alternative name: Radio & Telev.Prod.Co.

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

 Technical Specifications

  • Number of Tubes
  • 11
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz; 3 AF stage(s)
  • Tuned circuits
  • 9 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Details
  • Record Player (perh.Changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 15 inch = 38.1 cm
  • Power out
  • 18 W (unknown quality)
  • from Radiomuseum.org
  • Model: 275 - Brunswick Radio&Television,
  • Shape
  • Console with any shape - in general
  • Notes
  • BC (540-1600 kHz), TROP (1550-4000 kHz) and SW (5.8-18.0 MHz) bands. Bandspread 9.34-9.86 MHz. Tuning eye. Push-pull audio amplifier.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 13 = 1942 and before
  • Mentioned in
  • Rider's 13-1, 13-2, 13-3

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