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ID = 13518
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 244V
Similar Tubes
Normally replaceable-slightly different:
  41MHL ; 4HLAC ; HL4_Tungsram ; MHL4 ; TE244
First Source (s)
1933 : History of the British Radio Valve to 1940 p. 178
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 138 & 178
Babani, International Radio Tube Encyclopaedia   p. 30 & 31
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

7_60.png 244V: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
Usage in Models 3= 1931 ; 2= 1932

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of



Forum contributions about this tube
Threads: 1 | Posts: 2
Hits: 842     Replies: 1
244V equivalent
Donald Cochrane

Does the English 244V have an equivalent?  



Donald Cochrane

Jacob Roschy

There are no other direct equivalents of the 244V as those shown here. However it can be substituted by the Philips types E428 or E424N, the Telefunken REN904 or by one of their many equivalents or substitutes shown on the respective pages.

Best Regards,
Jacob Roschy

End of forum contributions about this tube

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