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VT52

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ID = 11785
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to VT52 = 1637 = ZA11244 = CV1052 = EL32 = 10E/11398 = VT180_GPO = OM9
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ufo) Top contact with a cap.
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Pages 160-161
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
s_322_g.gif VT52: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad
Usage in Models 1= 1942 ; 1= 1944 ; 1= 1945 ; 1= 1946
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

Leif Ekornrod (N)
Aires Gomes (P)
Heinz Schmidt (D)
Hans-Werner Ellerbrock (D)
Jacob Roschy (D)
Reinhard Riek (D)
Tomasz Szczesniak (PL)
Pedro Prieto-Castro (E)
Georges Werts (B)
Siegfried Droese (D)
 
vt52_za11244_18r.jpg

VT52
 
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