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W4

Country:  Austria      Brand:  Kremenezky, Johann; Wien (Röhrenhersteller) 
  Tube type:  TRIODE (Detail uncertain) 
Tube ID = 15034
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Identical to W4
Similar Tubes Normally replaceable-slightly different:
 407W; A425; RE034

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If: 0.1 Ampere / -: Direct / -: Battery = /
Dimensions (WHD)
incl. pins / tip
47 x 88 x mm / 1.85 x 3.46 x inch
Weight 50 g / 1.76 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   Sator Röhrenliste 1934

w4_kremenezky.jpg
W4: g.heigl
Gerhard Heigl

 
sockel_4stift_triode.png
W4: g.heigl
Gerhard Heigl

 
daten_w4_kremenezky_1.png
W4: g.heigl
Gerhard Heigl

Usage in Models   1= 1938
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):   1

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