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VT8_GPO

Información - Ayuda 
ID = 62732
       
 
   
Tipo:  Triode, vacuum   Audio Frequency 
  <1925 very rare
Idéntica a VT8_GPO = R208-A = 208A

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Usada en Telefonìa
Filamento Vf 4.4 Volt / If 0.97 Ampere / Direct / Specified voltage AND current AC/DC
Descripción

Western Electric designed (208A) used by the British Post Office in 1921. No information available if these tubes were manufactured in the UK or were re-branded American types.

 
Literatura British Radio Valves - The Vintage Years: 1904-1925   Pages 82 and 133

uv~~34.png VT8_GPO: Fin Stewart
Fin Stewart


Just Qvigstad
 

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