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Superflex 105$

Country:  United States of America (USA)
Manufacturer / Brand:  Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Year: 1925 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5:
Main principle TRF without regeneration
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker
Power out
from Radiomuseum.org Model: Superflex [105$] - Electrical Research
Shape Tablemodel, with any shape - general.
Notes

Two dials (primary tuning control knobs)

Price in first year of sale 105.00 $
Collectors' prices  
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965


All listed radios etc. from Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Here you find 131 models, 45 with images and 61 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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