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A-501 Harp

A-501 Harp; DeWald Radio Mfg. (ID = 93701) Radio
 
A-501 Harp; DeWald Radio Mfg. (ID = 455478) Radio
 
A-501 Harp; DeWald Radio Mfg. (ID = 455479) Radio
 
A-501 Harp; DeWald Radio Mfg. (ID = 455480) Radio
 
A-501 Harp; DeWald Radio Mfg. (ID = 455481) Radio
 
A-501 Harp; DeWald Radio Mfg. (ID = 455482) Radio
A-501 Harp; DeWald Radio Mfg. (ID = 1492847) Radio A-501 Harp; DeWald Radio Mfg. (ID = 265698) Radio
A-501 Harp; DeWald Radio Mfg. (ID = 1210731) Radio A-501 Harp; DeWald Radio Mfg. (ID = 1210735) Radio
A-501 Harp; DeWald Radio Mfg. (ID = 711734) Radio A-501 Harp; DeWald Radio Mfg. (ID = 1210732) Radio
A-501 Harp; DeWald Radio Mfg. (ID = 1210730) Radio A-501 Harp; DeWald Radio Mfg. (ID = 1467290) Radio
A-501 Harp; DeWald Radio Mfg. (ID = 1467291) Radio A-501 Harp; DeWald Radio Mfg. (ID = 1210736) Radio
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A-501 Harp; DeWald Radio Mfg. (ID = 1492847) Radio
DeWald Radio Mfg.: A-501 Harp [Radio] ID = 1492847 933x836
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For model A-501 Harp, DeWald Radio Mfg. Corp., Pierce Airo Inc.:
Original grill cloth
 
Country:  United States of America (USA)
Manufacturer / Brand:  DeWald Radio Mfg. Corp., Pierce Airo Inc.
Brand
 
Pierce Airo
Year: 1946 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 5: 12SA7 or 12BE6 12SK7 or 12BA6 12SQ7 or 12AT6 50L6 or 50B5 35Z5 or 35W4
Main principle Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage AC/DC-set / 105 - 125 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm
Power out
from Radiomuseum.org Model: A-501 Harp - DeWald Radio Mfg. Corp.,
Material Catalin (a brand name for a thermosetting polymer popular in the 1930s and 1940s - a phenol formaldehyde resin - like Bakelite, but a two-stage process with a lot of work afterwards).
Shape Design Radio or Novelty / Gadget - fancy or unusual shape.
Dimensions (WHD) 9.75 x 6.25 x 5.5 inch / 248 x 159 x 140 mm
Notes DeWald on the dial, not on the case. There is a prewar model, too: 501A, which uses partly miniature tubes.
Colors: brown-yellow, red-yellow or yellow.
External source of data Ernst Erb
Source of data Table Top Radios Vol. 1 Stein 98
Circuit diagram reference Rider's Perpetual, Volume 15 = 1947 and before
Mentioned in Collector's Guide to Antique Radios 4. Edition (Beitman Radio Diagrams 1949)
Literature/Schematics (1) Photofact Folder, Howard W. SAMS (Date 9-46, Folder 464-22)
Literature/Schematics (2) Plastic Radios - The Antique Radio Collectors' Source Book


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.



 


Forum contributions about this model
DeWald Radio Mfg.: A-501 Harp
Threads: 1 | Posts: 1
Hits: 1966     Replies: 0
dewald: A501;
Konrad Birkner † 12.08.2014
04.Mar.04
  1 Maße: 250 / 165 / 165 ;
 
DeWald Radio Mfg.: A-501 Harp
End of forum contributions about this model

  
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