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U81

Information - Help 
ID = 3293
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to U81

Base Loctal-8, B8G (Sylvania, 1938)
Filament Vf 6.3 Volts / If 1.6 Ampere / Half indirect
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   
 
u81.jpg
U81: Own collection.
Stuart Irwin

 
u81_sock.gif
U81: Universal Vademecum, 1960
Anonymous 15 Collector

 

from Just Qvigstad

Usage in Models 1= 1948? ; 3= 1950

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4


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