Off white ceramic B9A chassis mount valve base from CMC. Gold plated OFC plated contact. Provides tight contact with valve pins. Can be mounted from above or below. Black fixing ring is detachable. 21mm diameter cutout needed. M3 fixing hole centres 30mm apart. Will fit ECC83, EL84, EZ81 etc...
No longer produced - we do have a few left however.
PRICE 1off (pack of 1)