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P23_Arcturus

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ID = 80531
       
Country:
United States of America (USA)
Brand: Arcturus Radio Tube Co.; Newark, NJ
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Photocell   Text 
Identical to P23_Arcturus

Base SPECIAL TUBEBASE in general
Filament --/--
Description

Tubular glass bulb with 3-pin bakelite base. Caesium compound active surface.

Adverised in 1931 for operation into 500 to 1000 ohms impedances, for talking movies.

 
Dimensions (WHD)
incl. pins / tip
x x 53 mm / x x 2.09 inch
Information source - - Manufacturers Literature   Electronics advertisement May 1931.

 

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