- 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
- 41303
-
- Brand: Coronado
Coronado Model 521 front view
Coronado Model 521 dial
Coronado Model 521 rear view inside
Coronado Model 521 rear view inside #2
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 456 kHz
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 110-125 Volt
- Loudspeaker
- Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
- Material
- Wooden case
- from Radiomuseum.org
- Model: 521 - Gamble-Skogmo, Inc.;
- Shape
- Tablemodel, low profile (big size).
- External source of data
- Ernst Erb
- Source of data
- Machine Age to Jet Age III
- Circuit diagram reference
- Rider's Perpetual, Volume 9 = 1938 and before
- Other Models
-
Here you find 701 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