(!!!) (BEST PAIR) 7247=12DW7 CBS gray ribbed plates NOS 1960 (1.0/10ma and 1.1/9.5ma)
(!) (Best Single) 7247=12DW7 Amperex Globe Logo by Matsushita Japan NOS 1967 similar sound to Mullard (1.5ma and 11.6ma) (High mA and Gm)
