• Year
  • 1948 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 34707
    • alternative name: Radio & Telev.Prod.Co.

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

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superhet with RF-stage; ZF/IF 455/10700 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)     8 FM circuit(s)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Power type and voltage
  • Alternating Current supply (AC) / 105-125 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm
  • Power out
  • 7 W (unknown quality)
  • from Radiomuseum.org
  • Model: 4000 - Brunswick Radio&Television,
  • Notes
  • BC (540-1620 kHz) and FM (87.5-108 MHz )bands. Built-in BC loop and FM dipole antenna. Push-pull audio amplifier.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 16 = ca. 1948 and before
  • Mentioned in
  • Rider's Changes 18-6, Rider's 16-1 to 16-5

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