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450

Information - Help 
ID = 15385
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 450 = 50 = UX250 = X-250 = EX650 = CX350 = SO-2 = L_WLS = L50 = 150_Arcturus = PA250

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct / Parallel, (AC/DC)
Literature Taschenbuch zum Röhren-Codex 1948/49   
70 Years of Radiotubes and V.   Page 166
 
deforest_450.jpg
450: Ebay Seller jrcradio Item 150798414144
Franz Scharner

 
s_217_g_29.gif
450: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 
450.png
450: own collection
Peter den Boer


Usage in Models 1= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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