Coronado 7-P Series
Gamble-Skogmo, Inc.; Minneapolis, MN
- 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
 - 41396
 
- 
        
- Brand: Coronado
 
 
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
 - 7
 
- Main principle
 - Superhet with RF-stage; ZF/IF 456 kHz
 
- Tuned circuits
 - 8 AM circuit(s)
 
- Wave bands
 - Broadcast and Short Wave (SW).
 
- Power type and voltage
 - Direct Current supply (DC)
 
- Loudspeaker
 - Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
 
- Material
 - Wooden case
 
- from Radiomuseum.org
 - Model: Coronado 7-P Series - Gamble-Skogmo, Inc.;
 
- Shape
 - Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
 
- Notes
 - 
        
Stein "Cathedral & Tombstone Radios" lists 7 tubes and 3 bands for this model.
 
- External source of data
 - Ernst Erb
 
- Circuit diagram reference
 - Rider's Perpetual, Volume 18 = 1949 and before
 
- Literature/Schematics (3)
 - Machine Age to Jet Age II
 
- Literature/Schematics (4)
 - Cathedral & Tombstone Radios (page 78.)
 
- Other Models
 - 
        
Here you find 717 models, 336 with images and 641 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN