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489 ; Gamble-Skogmo, Inc.; (ID = 366517) Radio
489 ; Gamble-Skogmo, Inc.; (ID = 366519) Radio
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489 ; Gamble-Skogmo, Inc.; (ID = 366517) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Gamble-Skogmo, Inc.; Minneapolis, MN
Year: 1939 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 6D8G 6S7G 6T7G 6K6G
Main principle Superheterodyne (common); ZF/IF 465 kHz
Wave bands Broadcast and Short Wave (SW).
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / 6.3 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Model: 489 - Gamble-Skogmo, Inc.;
Notes Sync.vibrator for +B.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 10 = 1939 and before

All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN
Here you find 651 models, 289 with images and 594 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.