• Year
  • 1952 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57795
    • Brand: Doraphone

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / AC/DC 115 / 90 & 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: 449 - Setchell Carlson, Inc.; St.
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Selenium Rectifier.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 20 covering 1950

 Collections | Museums | Literature

 Forum