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ID = 21215
Great Britain (UK)
Brand: Osram-Valves GB (not MO-Valves)
Tube type:  Double Triode   VHF 
Identical to B719 = ECC85
First Source (s)
Jul.1955 : - - Manufacturers Literature Provisional Data Sheet

Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.435 Ampere / Indirect / Specified voltage AC/DC
Description Used as RF amplifier and also as self-oscillating mixer for VHF (FM) reception. 
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
- - Manufacturers Literature   Osram Data Sheet Aug 1955

no53_g_3.gif B719: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad
Usage in Models 2= 1955 ; 1= 1956? ; 3= 1956 ; 4= 1957? ; 1= 1958?? ; 1= 1960??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):12

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