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Grunow 625

Grunow 625 ; General Household (ID = 684013) Car Radio
 
Grunow 625 ; General Household (ID = 684014) Car Radio
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Grunow 625 ; General Household (ID = 684013) Car Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  General Household Utilities Co. (Grunow); Chicago Ill.
Brand
 
Grunow (trade name)
Year: 1936 ? Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 6: 6K7G 6A8G 6K7G 6R7G 6C5G 6A6
Main principle Superhet with RF-stage; ZF/IF 262 kHz
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 Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: Grunow 625 - General Household Utilities Co
Notes Syncr. vibrator for +B; push-pull af output stage.
Circuit diagram reference Rider's Perpetual, Volume 8 = 1937 and before

Model page created by Hans-Joachim Korn † 16.11.15. See "Data change" for further contributors.



All listed radios etc. from General Household Utilities Co. (Grunow); Chicago Ill.
Here you find 138 models, 99 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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