QUAD (4) NOS NIB RCA JAN 6AS7G (6080 5998) Amplifier VACUUM TUBES Tested U.8129

MATCHED NOS QUAD (4) RCA made 6AS7G. 6AS7G = 6080, 5998, 421A. Power Amplifier Tubes. JAN (Military Issue). Tested on HICOK TV7.

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