• Year
  • 1940/1941 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 299718

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 456 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 117 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: Calcutta Ch= 10D791 - De Forest DeForest Crosley
  • Notes
  • The Deforest "Calcutta" is a 7-tube radio for broadcast and shortwave reception. Has tuning eye tube and internal loop antenna for the broadcast band. Same schematic and chassis as the Rogers 15/78 and the Majestic 41/78.

  • Literature/Schematics (1)
  • - - Manufacturers Literature (Rogers service manual Vol 3 P. 137)
  • Author
  • Model page created by Tom Seeger. See "Data change" for further contributors.

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