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VT133_GPO

Information - Help 
ID = 64200
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Double Diode-Triode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT133_GPO = DH30

Base Europe 7-Pin C7A (Hx C, C7, C) 1933
Was used by Telephony
Filament Vf 13 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Dimensions (WHD)
incl. pins / tip
45 x 125 x mm / 1.77 x 4.92 x inch
Information source -- Collector info (Sammler)   
 
gec_dh30.png
VT133_GPO: Fin Stewart
Fin Stewart

 

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