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DW1B_7pin

Information - Help 
ID = 23102
       
Country:
France
Brand: Métal; France (tubes)
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to DW1B_7pin
Similar Tubes
Other base:
  DW1B

Base French Bigrille 7 pin (Q, B5+2)
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source -- Collector info (Sammler)   

dw1bsockel.gif DW1B_7pin: H.G.
Harald Giese

Usage in Models 1= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
dw1b_1.jpeg

DW1B_7pin
 

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