7A4 JAN View larger


Top of the line Mil. Spec. triode amplifier tubes manufactured for the United States Armed Forces by Sylvania. These JAN type glass tubes are designed for use in high mutual conductance UHF circuits. They come with 8 pin loctal bases and chrome tops. They are printed in yellow JAN-CHS-7A4 VT-192 MADE IN U.S.A. SYLVANIA, and glass etched 7A4. Boxes are standard blue Westinghouse printed 7A4.


  • New Old Stock (New in box)

Tubes matching

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Data sheet

CountryUSA / Canada
TypeVacuum tubes & electron tubes for audio, Mil-SPEC Military Specifications Tubes
Base8 pin Loctal