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DW9

Information - Help 
ID = 3659
       
Country:
France
Brand: Métal; France (tubes)
Tube type:  Vacuum Pentode   Power/Output 
Identical to DW9 = E443H = RTP4

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fdo)
Filament Vf 4 Volts / If 1.1 Ampere / Direct / Parallel, (AC/DC)
Description Frankreich 
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
4_58.png
DW9: Telefunken Werkstattbuch
Wolfgang Bauer

 

from Just Qvigstad

Usage in Models 2= 1933

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

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