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D10/4

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ID = 15728
       
Country:
Germany
Brand: Spanner GmbH, Marken: Delta Valve, Altron, Neo-Delta; Berlin
Tube type:  Triode, vacuum   Power/Output 
Identical to D10/4
Similar Tubes
Normally replaceable-slightly different:
  B409
First Source (s)
Jul.1928 : Funk Bastler 1928, Heft 31

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   

b4_base_pins~~874.png D10/4: Fin Stewart
Fin Stewart


Just Qvigstad
d104.png
D10/4: Funk-Bastler 1928, Heft 41
Hartmut Völler

Collection of

Collection of a member from D
 
d10_4_neo_delta.jpg

D10/4
 

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