6SN7GT CV1988 VINTAGE STC BRIMAR PAIR ‘BLACK BEAUTIES’ NOS VALVE TUBE 1972 DATE CODE (LC84)

6SN7GT BRIMAR

MADE IN ENGLAND

CV1988 KB/FE MILITARY SPEC.

MATCHED PAIR (2 TUBES)

MATCHING 7207 DATE CODES

NEW, UNUSED AND BOXED