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X81

Information - Help 
ID = 2613
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Triode-Heptode   Frequency converter 
Identical to X81
Similar Tubes
Normally replaceable-slightly different:
  X81M
First Source (s)
1947 : -- Collector info (Sammler)

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
 
x81~~1.jpg
X81: My tubes
Anonymous 413 Collector

 
415_4~~1.png
X81: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 1= 1947?? ; 1= 1947? ; 3= 1947 ; 5= 1948? ; 3= 1948 ; 1= 1949? ; 1= 1949 ; 3= 1950

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):18


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