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A40

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ID = 2450
       
Country:
United States of America (USA)
Brand: Arcturus Radio Tube Co.; Newark, NJ
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Triode, vacuum   Power/Output 
Identical to A40
Similar Tubes
Normally replaceable-slightly different:
  40_Arcturus ; SO-1

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 15 Volts / If 0.4 Ampere / Half indirect
Description

This tube is referred to in the taschenbusch as type A40. This is an error and the correct type number is AC40..

 
Dimensions (WHD)
incl. pins / tip
x 123 x 45 mm / x 4.84 x 1.77 inch
Weight 49 g / 1.73 oz
Information source Tube Lore (II)   p. 31 - AC40
Taschenbuch zum Röhren-Codex 1948/49   


Just Qvigstad
Usage in Models 1= 1928

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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