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DV27/4H

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ID = 21492
       
Country:
Germany
Brand: Spanner GmbH, Marken: Delta Valve, Altron, Neo-Delta; Berlin
Tube type:  Triode, vacuum   Universal 
Identical to DV27/4H
First Source (s)
15.Mar.1927 : Funk Bastler #13

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.16 Ampere / Direct / Battery =


Just Qvigstad
dv274h_kennli1.png
DV27/4H: Funk-Bastler 1927, Heft 13
Hartmut Völler

 

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