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DeForest Audion Tube Isolantite Filament okay, Edison institute
DeForest Audion Tube Isolantite Filament okay, Edison institute
DeForest Audion Tube Isolantite Filament okay, Edison institute
DeForest Audion Tube Isolantite Filament okay, Edison institute

DeForest Audion Tube Isolantite Filament okay, Edison institute

$ 39.6

Availability: 35 in stock
  • Country/Region of Manufacture: United States
  • Brand: deForest
  • Condition: Used

    Description

    No idea about this type of tube.
    Please check the pics. This one looks like a tube from a museum
    Filament tested and okay: Something ~~2 Ohms