Antique radios, Old Time Radios

6L31

Country:	Czechoslovakia		Brand:	Tesla, narodni podnik
			Tube type:	PENTODE (detail uncertain) Power/Output

Tube ID = 3630


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Identical to	6L31 = EL90 = 6AQ5

Base	Miniatur-7-Pin-Base B7G, USA 1940
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.45 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Literature	Babani, International Radio Tube Encyclopaedia

M.N.
Anonymous 124 Collector

Tesla catalogue
Gabriel Toth

Usage in Models (calculation each 25th of the month)	1= 1953?? ; 8= 1953 ; 2= 1954? ; 2= 1954 ; 2= 1955?? ; 8= 1955 ; 5= 1956 ; 6= 1957 ; 9= 1958 ; 1= 1960?? ; 1= 1965?? ; 1= 1969?? ; 1= 1969? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 47

Further Information for

6L31

6L31 (6L31) (17.10.2009) Fabio Masetti	Clicks: 109 Replies: 0
La valvola 6L31 della Tesla è un pento finale di BF, tensione di filamento 6,3 V, con 0,45 A, 250 V di placca e di griglia schermo, un negativo di griglia controllo di 12,5 V, una corrente anodica di 45÷47 mA, con una pendenza di 4,1 mA/V. Dimensioni: diametro bulbo 19 mm, altezza bulbo 60 mm, lunghezza pin 7 mm. E' identica, come uso e collegamenti, alla EL90. Dati rilevati dal Electronic Universal Vade-Mecum di Piotr Mikolajczyk & Bohdan Paszkowski.

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