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VT153_GPO

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ID = 65649
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Developer: Hivac Ltd.; Harrow-on-the-Hill 
Tube type:  Vacuum Pentode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT153_GPO = CV1703

Base SPECIAL TUBEBASE in general Top contact with a cap.
Was used by Telephony
Filament If 0.08 Ampere / Direct / Specified voltage AND current AC/DC
Description

Filament voltage uncertain but tube is equivalent to either Hivac XW1.5 or XW2.0

 
Dimensions (WHD)
incl. pins / tip
x 70 x 20 mm / x 2.76 x 0.79 inch
Information source -- Collector info (Sammler)   

hivac_xw.png VT153_GPO: Fin Stewart
Fin Stewart

 

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