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47

47 ; Gilfillan Bros.Inc.; (ID = 701464) Radio
 
47 ; Gilfillan Bros.Inc.; (ID = 701465) Radio
 
47 ; Gilfillan Bros.Inc.; (ID = 701466) Radio
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47 ; Gilfillan Bros.Inc.; (ID = 701464) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Gilfillan Bros.Inc.; Los Angeles (CA)
Year: 1934 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 8: 2A7 58 58 55 56 2A5 2A5 80
Main principle Superheterodyne (common); ZF/IF 262,5 kHz
Details
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 47 - Gilfillan Bros.Inc.; Los
Notes Push-pull af output stage.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 5 = ca. 1934 and before


All listed radios etc. from Gilfillan Bros.Inc.; Los Angeles (CA)
Here you find 184 models, 111 with images and 128 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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