• Year
  • 1939 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57780
    • Brand: Doraphone

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Tuned circuits
  • 7 AM circuit(s)
  • Power type and voltage
  • Line / Storage batteries (perhaps also batteries) / 110; 6 Volt
  • from Radiomuseum.org
  • Model: 4017 - Setchell Carlson, Inc.; St.
  • Notes
  • 110 V AC or 6 V DC supply; vibrator for +B; push-pull af output stage; farm radio.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 11 = ca. 1940 and before

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