• Country
• United States of America (USA)

• Manufacturer / Brand
• Gamble-Skogmo, Inc.; Minneapolis, MN

• Year
• 1938 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 41382

• • Brand: Coronado

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

• Number of Tubes
• 11

• Valves / Tubes
• 6K7 or 6U7G 6C5 or 6C5G 6J7 or 6J7G 6K7 or 6U7G 6G5 6H6 6J7 or 6J7G 6C5 or 6C5G 6F6 or 6F6G 6F6 or 6F6G 5Y3G

• Main principle
• Superhet with RF-stage; ZF/IF 456 kHz

• Wave bands
• Broadcast, Short Wave(s) and Police.

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12 inch = 30.5 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: Coronado 774 - Gamble-Skogmo, Inc.;

• Shape
• Console with any shape - in general

• Notes
• Motor tuning.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Literature/Schematics (1)
• Pre-War Consoles

• Other Models

• Here you find 704 models, 327 with images and 631 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN