Antique radios, Old Time Radios

6F18

Country:	Great Britain (UK)		Brand:	Mazda = Valve (Tube) brand GB (see also France)
			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 21900


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Identical to	6F18 = 6EC7
Similar Tubes	Different connections: EF89

Base	Noval, B9A
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.2 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Literature	Röhren-Taschen-Tabelle 14.A, (Franzis RTT) -- Original-techn. papers.

WS
Werner Schaffner

RTT Schwandt
Günther Stabe

Mazda - original papers
Michael Schlör

Usage in Models (calculation each 25th of the month)	2= 1956 ; 1= 1957 ; 2= 1958 ; 3= 1959 ; 3= 1960?? ; 5= 1960 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 16

No further Information for

6F18

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