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VT178_GPO

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ID = 66158
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Developer: Hivac Ltd.; Harrow-on-the-Hill 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT178_GPO = CV176 = CV1721 = XP1.5

Base Midget 4 pin Hivac (Sm4)
Was used by Telephony
Filament Vf 1.5 Volts / If 0.066 Ampere / Direct / Specified voltage AND current AC/DC
Description

Grid voltage -4.5

 
Dimensions (WHD)
incl. pins / tip
x 63 x 16 mm / x 2.48 x 0.63 inch
Weight 13 g / 0.46 oz
Information source -- Collector info (Sammler)   

hivac~~11.png VT178_GPO: Fin Stewart
Fin Stewart


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