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542

542 ; DeWald Radio Mfg. (ID = 310161) Radio
542 ; DeWald Radio Mfg. (ID = 470024) Radio 542 ; DeWald Radio Mfg. (ID = 470025) Radio
542 ; DeWald Radio Mfg. (ID = 470026) Radio 542 ; DeWald Radio Mfg. (ID = 1659975) Radio
542 ; DeWald Radio Mfg. (ID = 1659976) Radio
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542 ; DeWald Radio Mfg. (ID = 470024) Radio
DeWald Radio Mfg.: 542 [Radio] ID = 470024 933x605
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For model 542, 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: 1939/1940 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A7 6D6 6Q7G 41 84
Main principle Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast and Short Wave (SW).
Details
Power type and voltage Alternating Current supply (AC) / 105-125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6.5 inch = 16.5 cm
Power out
from Radiomuseum.org Model: 542 - DeWald Radio Mfg. Corp.,
Material Wooden case
Shape Tablemodel, low profile (big size).
Dimensions (WHD) 16 x 9.5 x 8 inch / 406 x 241 x 203 mm
Notes

BC (540-1725kHz) and SW (6.0-18.5MHz) bands. Dial shows the LW band, which is not used in this model. Range 16-51 and 170-555 Meters.

Net weight (2.2 lb = 1 kg) 5.2 kg / 11 lb 7.3 oz (11.454 lb)
Price in first year of sale 29.95 $
External source of data Ernst Erb
Source of data Table Top Radios Vol. 4 Stein 2003
Circuit diagram reference Rider's Perpetual, Volume 11 = ca. 1940 and before
Literature/Schematics (3) The DeWald Folder for 1940, Form. 50M 1-40 L.


All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.
Here you find 424 models, 191 with images and 327 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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