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Low Pass Filter 250-20

Low Pass Filter 250-20; Johnson Company, E.F (ID = 1245132) Amateur-D Low Pass Filter 250-20; Johnson Company, E.F (ID = 1811768) Amateur-D
Low Pass Filter 250-20; Johnson Company, E.F (ID = 1811769) Amateur-D Low Pass Filter 250-20; Johnson Company, E.F (ID = 1811770) Amateur-D
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Low Pass Filter 250-20; Johnson Company, E.F (ID = 1245132) Amateur-D
Johnson Company, E.F: Low Pass Filter 250-20 [Amateur-D] ID = 1245132 900x249
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For model Low Pass Filter 250-20, Johnson Company, E.F.; Waseca, MN
 
Country:  United States of America (USA)
Manufacturer / Brand:  Johnson Company, E.F.; Waseca, MN
Brand
 
Viking
Year: 1960 ?? Category: Amateur Equipment (Other, but not Key)
Details
Power type and voltage No Power needed
Loudspeaker
Power out
from Radiomuseum.org Model: Low Pass Filter 250-20 - Johnson Company, E.F.; Waseca,
Notes Advertising description: Handles more than 1000 watts RF. 75 db or more attenuation above 54 mc. Wired and pre-tuned. This is 52 ohms impedence.
Price in first year of sale 15.00 $
Literature/Schematics (1) July 1960 QST Magazine

Model page created by Charles Hugg. See "Data change" for further contributors.



All listed radios etc. from Johnson Company, E.F.; Waseca, MN
Here you find 62 models, 52 with images and 27 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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