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6F8G / VT-99 JAN
Best on the market Mil. Spec. double triode amplifier tubes manufactured for the Armed Forces in the United States by renowned Sylvania. These tough great sounding shoulder type glass tubes come with 8 pin octal bases, smoked glass and bottom getters. They are glass etched 6F8G and printed on base VT-99 SYLVANIA. Boxes are standard military beige printed VT-99 U.S. ARMY SIGNAL CORPS with 1940's production dates. Photo is typical of available stock. Top cap grid connector is very delicate - please use extreme caution when connecting.
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