• Year
  • 1932 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 36242

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)
  • Tuned circuits
  • 2 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / Either AC 25 to 60 cycles, 117V or DC 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • from Radiomuseum.org
  • Model: 147 - Crosley Radio Corp.;
  • Notes
  • The Crosley 147 is an AC/DC operated, 4 tube BC band receiver.  Uses 37 type tube as power supply rectifier.  Note in both Riders and Beitman indicate that early models used a KR tube in place of the 37 tube.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 3 = 1933 and before
  • Literature/Schematics (1)
  • - - Manufacturers Literature (The Crosley Service Bulletin No. 47 Dated Dec. 1, 1932)

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