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250

Information - Help 
ID = 15337
       
Country:
United States of America (USA)
Brand:
Tube type:  Triode, vacuum   Power/Output 
Identical to 250 = 50 = UX250 = EX650 = PA250 = SX250 = VX250 = TS250 = RX250 = RYB250 = TC250 = SLX250 = NX-250
Successor Tubes SX250  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Parallel, (AC/DC)
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
250.jpg
250: K.H.Fischer
Karlheinz Fischer

 
s_217_g_16.gif
250: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

 

from Just Qvigstad

Usage in Models 14= 1928 ; 1= 1929?? ; 1= 1929? ; 17= 1929 ; 4= 1930?? ; 4= 1930? ; 8= 1930 ; 2= 1931?? ; 1= 1931? ; 4= 1931 ; 1= 1932?? ; 4= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):61


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