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508

508 ; Motorola Inc.; (ID = 350526) Car Radio
 
508 ; Motorola Inc.; (ID = 350527) Car Radio
 
508 ; Motorola Inc.; (ID = 350528) Car Radio
 
508 ; Motorola Inc.; (ID = 350529) Car Radio
 
508 ; Motorola Inc.; (ID = 974621) Car Radio
 
508 ; Motorola Inc.; (ID = 974622) Car Radio
 
508 ; Motorola Inc.; (ID = 974623) Car Radio
 
508 ; Motorola Inc.; (ID = 974624) Car Radio
508 ; Motorola Inc.; (ID = 1471159) Car Radio 508 ; Motorola Inc.; (ID = 1471164) Car Radio
508 ; Motorola Inc.; (ID = 1471161) Car Radio 508 ; Motorola Inc.; (ID = 974620) Car Radio
508 ; Motorola Inc.; (ID = 2371688) Car Radio 508 ; Motorola Inc.; (ID = 2371689) Car Radio
508 ; Motorola Inc.; (ID = 2371690) Car Radio 508 ; Motorola Inc.; (ID = 2371691) Car Radio
508 ; Motorola Inc.; (ID = 2371692) Car Radio 508 ; Motorola Inc.; (ID = 2371693) Car Radio
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508 ; Motorola Inc.; (ID = 1471159) Car Radio
Motorola Inc.;: 508 [Car Radio] ID = 1471159 933x650
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For model 508, Motorola Inc.; Schaumburg (IL):
Case of a Motorola Model 508 electronics assembly with external speaker.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Motorola Inc.; Schaumburg (IL)
alternative name
 
Galvin Mfg. Co. ; Chicago
Year: 1948 ?? Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 6: 6BA6 6BE6 6BA6 6AT6 6V6GT 6X4
Main principle Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Radiomuseum.org Model: 508 - Motorola Inc.; Schaumburg IL
Notes Vibrator for +B.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 18 = 1949 and before
Literature/Schematics (1) Photofact Folder, Howard W. SAMS (Set 39, Folder 13)


All listed radios etc. from Motorola Inc.; Schaumburg (IL)
Here you find 3927 models, 2767 with images and 3572 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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