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645

645 ; DeWald Radio Mfg. (ID = 310342) Radio
645 ; DeWald Radio Mfg. (ID = 2429040) Radio 645 ; DeWald Radio Mfg. (ID = 2429042) Radio
645 ; DeWald Radio Mfg. (ID = 2429043) Radio 645 ; DeWald Radio Mfg. (ID = 2429048) Radio
645 ; DeWald Radio Mfg. (ID = 2429041) Radio 645 ; DeWald Radio Mfg. (ID = 2429044) Radio
645 ; DeWald Radio Mfg. (ID = 2429046) Radio 645 ; DeWald Radio Mfg. (ID = 2429047) Radio
645 ; DeWald Radio Mfg. (ID = 719507) Radio 645 ; DeWald Radio Mfg. (ID = 805108) Radio
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645 ; DeWald Radio Mfg. (ID = 2429040) Radio
DeWald Radio Mfg.: 645 [Radio] ID = 2429040 1400x1049
Select picture or schematic to display from thumbnails on the right and click for download.
For model 645, 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 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 6A7 6D6 6Q7G 25L6G 25Z5 M49F
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 AC/DC-set / 110-125 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12.5 cm = 4.9 inch
Power out
from Radiomuseum.org Model: 645 - DeWald Radio Mfg. Corp.,
Material Wooden case
Shape Tablemodel without push buttons, Mantel/Midget/Compact up to 14
Dimensions (WHD) 335 x 203 x 160 mm / 13.2 x 8 x 6.3 inch
Notes

BC (540-1725kHz) and SW (6.0-18.5MHz) bands.

Dial lamp: #51 mazda (7.5V/0.22A).

Net weight (2.2 lb = 1 kg) 3.8 kg / 8 lb 5.9 oz (8.37 lb)
External source of data Ernst Erb
Source of data Collector's Guide to Antique Radios 4. Edition
Circuit diagram reference Rider's Perpetual, Volume 9 = 1938 and before
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965
Literature/Schematics (1) Machine Age to Jet Age II
Literature/Schematics (2) Table Top Radios Vol. 4 Stein 2003


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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