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20L1

Information - Help 
ID = 51900
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Double Triode   Universal 
Identical to 20L1
Similar Tubes
Heater different:
  6L1

Base Mazda-Rimlock (UK)
Filament Vf 12.6 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description

20l1_pinout.png 20L1: From my schematic collection.
Pier Antonio Aluffi


Just Qvigstad
20l1.png
20L1: Ediswan Mazda Data Booklet 1964-1965
Just Qvigstad

More ...
Usage in Models 2= 1951 ; 5= 1952 ; 15= 1953 ; 7= 1954 ; 1= 1955

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):30

Collection of

 
20l1.jpg

20L1
 

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