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HL4g

Information - Help 
ID = 14304
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum   Universal 
Identical to HL4g = 4HLAC_7pin
Similar Tubes
Other base and data slightly different:
  HL4+

Base British-7-Pin, old (M7A) (Codex=Na)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC
Description

This is the same structure as the HL4+ but with a top cap to provide low capacitance.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

153.png HL4g: Telefunken Werkstattbuch
Wolfgang Bauer


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