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A901

Information - Help 
ID = 47790
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Screen-grid Tetrode   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to A901 = CV1722 = VT179_GPO

Base British-7-Pin, old (M7A)
Was used by Telephony
Filament Vf 5.5 Volts / If 1.4 Ampere / Indirect / Specified voltage AC/DC
Description

Special "A" series tube made to Coventry specification no 1312.

 
Dimensions (WHD)
incl. pins / tip
45 x 110 x mm / 1.77 x 4.33 x inch
Information source - - Manufacturers Literature   


Just Qvigstad

Collection of

 
gb_a901_bild1.jpg

A901
 

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