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2W3

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ID = 4269
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  High-vacuum Rectifier 
Identical to 2W3

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vy)
Filament Vf 2.5 Volts / If 1.5 Ampere
Information source Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   

2w3.png
2W3: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †

301.png 2W3: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1937 ; 3= 1938 ; 3= 1940?? ; 1= 1941??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8
 

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