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W308

Information - Help 
ID = 9188
       
Country:
Netherlands
Brand: Marathon (tubes), Radio-Marathon, N.V. Rave; Amsterdam, Eindhoven
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to W308 = REN804
Similar Tubes
Normally replaceable-slightly different:
  E424 ; E428

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Y)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description Detector and LF amplification, resistor coupling. 
Dimensions (WHD)
incl. pins / tip
45 x 110 x 34 mm / 1.77 x 4.33 x 1.34 inch
Weight 46 g / 1.62 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1935

w308_so.png W308: rtt
Anonymous 10 Collector


Just Qvigstad
w308data.png
W308: own collection
Peter den Boer

Collection of

 
w308.jpg

 

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