• Year
  • 1939 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57739

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Number of Transistors
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Storage and/or dry batteries / 135/3 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: 91B - Sentinel Radio Corp., Evanston
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before

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