Please click your language flag. Bitte Sprachflagge klicken.


05RA33-43-8137A ; Gamble-Skogmo, Inc.; (ID = 134130) Radio
05RA33-43-8137A ; Gamble-Skogmo, Inc.; (ID = 223732) Radio
Use red slider bar for more.
05RA33-43-8137A ; Gamble-Skogmo, Inc.; (ID = 134130) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
Country:  United States of America (USA)
Manufacturer / Brand:  Gamble-Skogmo, Inc.; Minneapolis, MN
Year: 1951 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 12BE6 12BA6 12AT6 or 12AV6 50B5 35W4
Main principle Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage AC/DC-set / Either AC 60 cycles, 110 to 120V or DC 110 to 120 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
Power out 0.8 W (1.8 W max.)
from Model: 05RA33-43-8137A - Gamble-Skogmo, Inc.;
Material Modern plastics (no Bakelite or Catalin)
Shape Tablemodel, Mantel/Midget/Compact up to 14" width, but not a Portable (See power data. Sometimes with handle but for mains only).
Dimensions (WHD) 10.75 x 5.75 x 4.5 inch / 273 x 146 x 114 mm

The Coronado 05RA33-43-8137A is an AC/DC operated 5 tube BC band receiver.  BC band tuning range is 535 to 1630kHz. Cabinet color is TBD.

The chassis and schematic used in this model is also used in Coronado model 05RA33-43-8136A.

External source of data Ernst Erb
Circuit diagram reference Beitman Radio Diagrams Vol. 11, 1951
Literature/Schematics (1) Rider's Perpetual, Volume 22 = covering 1951 (Riders Gamble-Skogmo 22-7 to 22-9)
Literature/Schematics (2) Beitman Radio Diagrams, Vol. 11, 1951 (Page 44)

All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN
Here you find 650 models, 287 with images and 593 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.