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ID = 6955
       
Country:
United States of America (USA)
Brand: Raytheon Mfg. Co.; Cambridge, MA
Tube type:  Full-Wave Cold-cathode-rectifier   Power-supply 
Identical to BA = CK1009
Predecessor Tubes B_Raytheon  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bk)
Was used by Radio/TV-reception etc.
Filament
Description

This tube is a cold cathode full wave rectifier designed for use in thr power supply of mains voltage radios. The tube was first offered for sale in 1926

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Pages 24 & 25
70 Years of Radiotubes and V.

s_215_g.gif BA: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
ba_data.png
BA: Raytheon Manual
Heinz Höger

Usage in Models 2= 1926? ; 1= 1926 ; 7= 1927 ; 18= 1928 ; 2= 1930?? ; 1= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):31

Collection of

Collection of a member from D
 
ba001.jpg

BA
 

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