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Ultra

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ID = 2018
       
Country:
Germany
Brand: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin
Tube type:  Triode, vacuum 
Identical to Ultra

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 1.5 Volts / If 0.15 Ampere / Direct / Battery =
Information source Der Radio-Amateur; Nesper (62)   6. Aufl. 1925


Just Qvigstad
kl_ultra.png
Ultra: rafena.fsd
Dietmar Rentsch

Usage in Models 1= 1924 ; 1= 1925 ; 1= 1926 ; 1= 1927

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

 
p1010015.jpg

Ultra
 

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