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41

41 ; DeWald Radio Mfg. (ID = 311070) Radio
41 ; DeWald Radio Mfg. (ID = 1714044) Radio 41 ; DeWald Radio Mfg. (ID = 1714045) Radio
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41 ; DeWald Radio Mfg. (ID = 1714044) Radio
DeWald Radio Mfg.: 41 [Radio] ID = 1714044 933x737
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For model 41, DeWald Radio Mfg. Corp., Pierce Airo Inc.
 
Country:  United States of America (USA)
Manufacturer / Brand:  DeWald Radio Mfg. Corp., Pierce Airo Inc.
Brand
 
Pierce Airo
Year: 1933 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: 78 77 38 25Z5
Main principle TRF without regeneration; 1 AF stage(s)
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 110-125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 41 - DeWald Radio Mfg. Corp.,
Notes Series ballast required for operation on 210-240 V.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 4 = ca. 1934 and before


All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.
Here you find 423 models, 190 with images and 326 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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