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VT105_GPO

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ID = 63873
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to VT105_GPO = CV1673 = HL2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Telephony
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Specified voltage AND current AC/DC
Description

Very efficient tube for detector and low frequency amplification. The elements have extremely rigid construction to eliminate microphonic interference, especially when used as a etector..

 
Information source Babani, International Radio Tube Encyclopaedia   Page 108
- - Manufacturers Literature   

b4_1~~21.png VT105_GPO: Fin Stewart
Fin Stewart


Just Qvigstad
 

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