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H2_Tungsram

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ID = 20988
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum   Audio Frequency 
Identical to H2_Tungsram

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.55 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   Two undated data sheets

h2tungs_sock.png H2_Tungsram: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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Just Qvigstad
1925_12tungsramh2_h3.png
H2_Tungsram: Typenkarten Audionröhren Dez. 1925
Thomas Lebeth

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h_tungsram_h2_front.jpg

 

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