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CV1651

Informazioni - Aiuto 
ID = 33215
       
Stato:
Gran Bretagna (Regno Unito)
Produttore: Marconi-Osram - (Valves/Tubes); GB
Progettista: Marconi-Osram - (Valves/Tubes); GB 
Tipo:  Triodo a vuoto   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identico a CV1651 = G445B = VT68_GPO

Zoccolo Europe 4-Pin B4 (Eu A, E, 4A) 1914
Utilizzata per Telephony
Filamento Vf 4 Volt / If 0.45 Ampere / Direct / Specified voltage AC/DC
Descrizione

Tube decended from the MOV G445B - a specially designed variation of the LS5, similar in all dimensions, but with a double carbonated coated nickel ribbon filament. VT68_GPO was a later development and trhe CV1651 first made in WW2. Used as a line amplifier in telephony.

 
Bibliografia The Saga of Marconi Osram Valve   Pages 136 & 137
Babani, International Radio Tube Encyclopaedia   Pages 76-77


Just Qvigstad
 

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