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RF400; Halldorson Co.; (ID = 1206695) Radio
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RF400; Halldorson Co.; (ID = 1206695) Radio
Halldorson Co.;: RF400 [Radio] ID = 1206695 628x680
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For model RF400, Halldorson Co.; Chicago, Illinois:
Bild aus : Radio News Jan 1925 p1274
Country:  United States of America (USA)
Manufacturer / Brand:  Halldorson Co.; Chicago, Illinois
Year: 1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4:
Main principle TRF without regeneration
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: RF400 - Halldorson Co.; Chicago,
Shape Tablemodel, with any shape - general.

Two dials (primary tuning control knobs)

Price in first year of sale 75.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932

All listed radios etc. from Halldorson Co.; Chicago, Illinois
Here you find 9 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.