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6J4W

Information - Help 
ID = 30793
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Tube type:  Triode, vacuum   UHF 
Identical to 6J4W
Similar Tubes
Normally replaceable-slightly different:
  6J4WA ; 6J4WB
Other class quality (otherwise equal):
  6J4

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Parallel, (AC/DC)
Information source -- Collector info (Sammler)   
 
6j4w_siemens.jpg
6J4W: Private collection
Emilio Ciardiello

 
6j4w_so.png
6J4W: ARRL Handbook 1972
Michael Schlör

 

from Just Qvigstad


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