Summary
General purpose triode. Low current (60 mA) filament designed to be operated from dry batteries. 3 volt directly heated cathode.
The base fitted to this valve was designed to allow it to be used in place of a UV201A. The base of a standard UV199 was smaller than the standard UV base.
Physical Description
Tubular glass bulb with standard American 4 short pin (UV) base. Mounted on display block.
More Information
-
Collection Names
-
Collecting Areas
-
Acquisition Information
Purchase
-
Manufacturer
Radio Tube Corporation, United States of America, circa 1925
-
Inscriptions
Bulb (heart shaped paper label): APEX/AUDIOTRON/TYPE 199A/THE HEART/OF YOUR/RADIO Display block: TRIODE 199A/Apex Made in U.S.A./( brief description)
-
Brand Names
-
Classification
-
Category
-
Discipline
-
Type of item
-
Overall Dimensions
90 mm (Length), 35 mm (Outside Diameter)
Not including display block.
-
Keywords
