12BA7, Tube 12BA7; Röhre 12BA7 (12BA7)

Antique radios, Old Time Radios

12BA7


			Tube type:	Pentagrid-Converter (Heptode) Pentagrid (new) Controlling (mu)

Tube ID = 5304


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Identical to	12BA7
Similar Tubes	6BA7 (Heater different)
First Source (s)	09.Jun.1948 : Electron Tube Registration List
Predecessor Tubes	12BE6 12SA7

Base	Noval, B9A
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel / series AC/DC / If: 0.15 Ampere / Vf 12.6 Volts /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

RTT 1974 (Franzis) 13. Auflage
Martin Renz

Usage in Models	2= 1946? ; 1= 1948 ; 1= 1949?? ; 9= 1949 ; 1= 1950?? ; 4= 1950? ; 2= 1950 ; 1= 1951? ; 1= 1952? ; 3= 1952 ; 9= 1953?? ; 2= 1955?? ; 1= 1955? ; 1= 1961 ; 1= 1962?? ; 1= 1963 ; 1= 1964 ; 1= 1966? ; 2= 9999?? ;
Number of Models with this tube 44

No further Information for

12BA7

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