• Year
  • 1938/1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 161817

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; 3 AF stage(s)
  • Tuned circuits
  • 10 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Storage and/or dry batteries / 2 & 135 & 22.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 inch = 25.4 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Mendelssohn Ch=8D771 - De Forest DeForest Crosley
  • Shape
  • Console with any shape - in general
  • Notes
  • It is electrically identical to the Rogers 13/79 and Majestic 879 sets. These sets use a pilot lamp as a fuse. It is also electrically identical to the Rogers 13/74, Majestic 874 and De Forest Schubert models which do not feature the pilot lamp fuse.
  • Circuit diagram reference
  • Radio and TV Servicing books (R&TVS) book
  • Mentioned in
  • Rogers-Majestic & De Forest Volume 3 1938-1942 page 52, 53, 54, 55, 74 & 76
  • Author
  • Model page created by Robin Roeckers. See "Data change" for further contributors.

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