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UM81

Information - Help 
ID = 3202
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Mag. Fan, 1 shadow angle 
Identical to UM81 = 19DA5
Similar Tubes
Normally replaceable-slightly different:
  UM80
Predecessor Tubes UM34  
Successor Tubes UM84  

Base Noval, B9A
Filament Indirect / Series, AC/DC
Tube prices 2 Tube prices (visible for members only)
 
um81.jpg
UM81: Röhrensammlung
Wolfgang Bauer

 
no54_g_5.gif
UM81: RTT Schwandt
Günther Stabe

 

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

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11


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