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6TD31

Information - Help 
ID = 19945
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Triple Diode-Triode 
Identical to 6TD31
Similar Tubes
Normally replaceable-slightly different:
  EABC80

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.35 Ampere / Indirect / Parallel, (AC/DC) /
 
6td31.jpg
6TD31: F.M.
Fabio Masetti

 
6td31_so.png
6TD31: rtt
Michael Schlör

 

Usage in Models 3= 1955?? ; 10= 1955 ; 4= 1956 ; 3= 1957 ; 1= 1958 ; 2= 1959??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23


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