6SN7GT CV1988 KB/FE BRIMAR STC PAIR ‘BLACK BEAUTIES’ NOS VALVE TUBE MATCHED 1971 DATE CODE (LC24)

6SN7GT BRIMAR

MADE IN ENGLAND

CV1988 KB/FE MILITARY SPEC.

MATCHING 7147 DATE CODES

MATCHED PAIR (2 TUBES)

NEW AND UNUSED