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L415DS

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ID = 2437
       
Country:
Germany
Brand: Valvo GmbH, Radioröhrenfabrik; Hamburg
Tube type:  Vacuum Pentode   Power/Output 
Identical to L415DS
Similar Tubes
Heater different:
  L415D_5pin

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Specified current DC = (Series working)
Description

Für Gleichstrom-Serienheizung bestimmt. If = 0,15A, Uf ca. 4V.

 

4_40~~2.png L415DS: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 2= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
d_valvo_l415d_5pin_serie_1.jpg

L415DS
 

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