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2X3

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ID = 7221
       
Country:
Canada
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 2X3 = 2X3G

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 2 Ampere / Direct / Parallel / series AC/DC
Description = ½ 5Y3G/GT 
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
2x3pix.jpg
2X3: J.A.
John Albion

 
301_1.png
2X3: Telefunken Werkstattbuch
Wolfgang Bauer

 

Usage in Models 53= 1937 ; 2= 1938? ; 41= 1938 ; 2= 1939? ; 14= 1939 ; 9= 1940 ; 12= 1941? ; 1= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):134


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