Tough Mil. Spec. double triode audio amplifier tubes manufactured for the Armed Forces by RCA in the United States. These fine 8 pin octal based glass tubes have thick black metal plates, top getters, and heavy metal internal supports. They are glass etched 6080, and are printed on the base in black with RCA logo, JAN CRC-6080 MADE IN U.S.A. with various other codes mostly 1960's production.
Data sheet
Tough Mil. Spec. double triode audio amplifier tubes manufactured for the Armed Forces by RCA in the United States. These fine 8 pin octal based glass tubes have thick black metal plates, top getters, and heavy metal internal supports. They are glass etched 6080, and are printed on the base in black with RCA logo, JAN CRC-6080 MADE IN U.S.A. with various other codes mostly 1960's production.