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U191

Information - Help 
ID = 25686
       
Country:
Great Britain (UK)
Brand:
Tube type:  Damper, booster, flyback diode   Power-supply 
Identical to U191 = U339

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 19 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source - - Manufacturers Literature   Ediswan-Mazda Data Book 1956-57

u191_so.png U191: Mazda vaves
Anonymous 10 Collector

More ...

Just Qvigstad
u191_data.png
U191: Ediswan-Mazda Data Book 1956-57
Anonymous 15 Collector

Usage in Models 5= 1956 ; 1= 1957? ; 1= 1957 ; 3= 1958 ; 1= 1960

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

Collection of

 
u191.jpg

U191
 

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