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ID = 12287
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Voltage Regulator, single 
Identical to VR105-30 = CV686
Similar Tubes
Normally replaceable-slightly different:

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ua)
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
VR105-30: scc
Christian Schaufelberger

More ...
VR105-30: RTT 1964 (Franzis) 10. Auflage
Martin Renz


from Just Qvigstad

Usage in Models 1= 1939 ; 1= 1940 ; 1= 1941 ; 2= 1946 ; 1= 1947?? ; 1= 1950?? ; 1= 1951 ; 1= 1954?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):9

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