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CX313

Information - Help 
ID = 29214
       
Country:
United States of America (USA)
Brand: Cunningham Inc., E.T.; Harrison (NJ)
Developer: General Electric for Brand RCA-Radiotron; Bridgeport CT, Syracuse NY 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to CX313 = PR213 = GSX213 = X213 = MX213 = AC13 = UX213

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 2 Ampere / Direct / Specified voltage AC/DC
Description

History (Tyne 324): In 1925 two small full-wave rectifiers came on the market, the Westinghouse UV196, and the GE UX213. The UX213 was the first full-wave rectifier offered for sale by RCA. Work on this tube was started late in 1923. In December 1923 the designation Rectron UV213 was assigned. The final design was arrived at in the summer 1924 and was announced as UX213 in September 1925. It was superseded in May 1927 by the UX280.

Cunninghams designation was CX313, but the tube was certainly produced like all the Cunningham tubes by RCA

 
Dimensions (WHD)
incl. pins / tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Weight 67 g / 2.36 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   

cx_313.png
CX313: Modern Radio Reception, Leutrich, 1928
Wolfgang Müllner

cx313_so.png CX313: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
cx-313cunningham.png
CX313: Vintage Electronic catalog
Geri Meier

Usage in Models 1= 1925?? ; 1= 1925? ; 4= 1927 ; 1= 1929?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
 
cunningham_cx313_e715.jpg

 

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