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PR430

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ID = 82919
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to PR430

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.3 Ampere / Direct / Specified voltage AC/DC
Description

In this tube the supressor grid was internally connected to the midpoint of the filament.

 
Information source Saga of the Vacuum Tube, Tyne   P. 465 & 466


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