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NH4

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ID = 14544
       
Country:
Austria
Brand: Kremenezky, Johann (Sator); Wien,(Röhrenhersteller)
Tube type:  Triode, vacuum 
Identical to NH4
Similar Tubes
Normally replaceable-slightly different:
  WG41_Eagle

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 52
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 100, p. 134
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

nh4_so.png NH4: rtt
Anonymous 10 Collector


Just Qvigstad
a_ra_oriontubes_1931kremenezky_4.png
NH4: ÖRA, 1931.
Sándor Selyem-Tóth

Collection of

 
nh4_orion.jpg

NH4
 

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