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PX230/SW

Information - Help 
ID = 20077
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Developer: Hivac Ltd.; Harrow-on-the-Hill 
Tube type:  Triode, vacuum   Power/Output 
Identical to PX230/SW
Similar Tubes
Different connections:
  PX230 ; XP2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.3 Ampere / Direct / Battery =
Description

The SW version has the grid brought to a top cap.

450mW output, 4000 ohm load.

 
Text in other languages (may differ)
Information source Wireless World (The), London (WW, 79)   Data 1937
 
uk_px230sw_hivac.jpg
PX230/SW
Alan Scott Douglas † 16.11.15

 

from Just Qvigstad


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