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403_McCullough

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ID = 15361
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: McCullough, Frederick, S. Co.; Wilkinsburg, later Sales Company; Pittsburg 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to 403_McCullough
Similar Tubes
Heater different:
  402_McCullough

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo) 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 1.5 Ampere / Indirect
Description The AC type 403 was made/sold by McCullough, Kellogg, Marathon, Marvin, and Sovereigh. 
Dimensions (WHD)
incl. pins / tip
41 x 136 x mm / 1.61 x 5.35 x inch
Weight 57 g / 2.01 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
  usa_403_kellogg_typ.use.png
  403_McCullough: leaflet in tubebox
Otto Frosinn
 
kellogg_403.jpg
403_McCullough: O.F.
Otto Frosinn

 
usa_403_kellogg_sockel.png
403_McCullough: O.F.
Otto Frosinn

 
403data.png
403_McCullough: Fin Stewart
Peter den Boer


from Just Qvigstad

Usage in Models 1= 1927 ; 1= 1928?? ; 1= 1928?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3


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