• Year
  • 1935 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 41390
    • Brand: Coronado

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 456 kHz
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage and/or dry batteries / 135 & 112 & 4.5 & 2 Volt
  • Loudspeaker
  • Magnetic loudspeaker (reed) generic.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 780 - Gamble-Skogmo, Inc.;
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 16.5 x 21 x 11 inch / 419 x 533 x 279 mm
  • Net weight (2.2 lb = 1 kg)
  • 22 lb 0 oz (22 lb) / 9.988 kg
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 6 = 1935 and before

 Collections | Museums | Literature

 Forum