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81 Ch= 245

81 Ch= 245; Electrical Research (ID = 18128) Radio
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81 Ch= 245; Electrical Research (ID = 18128) Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Electrical Research Laboratories Inc. (Erla); Chicago, Illinois
Year: 1931/1932 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8: 24A 24A 24A 27 27 45 45 80
Main principle Superhet with RF-stage; ZF/IF 175 kHz; Screengrid 1926-1935
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Alternating Current supply (AC)
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 81 Ch= 245 - Electrical Research
Material Wooden case
Shape Console with any shape - in general
Notes Phono input; push-pull af output stage.
Price in first year of sale 650.00 SFR
External source of data E. Erb 3-907007-36-0
Literature/Schematics (1) Rider's Perpetual, Volume 1 = 1931/1934 (1919 to 1931) (page 5)


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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