(!!!!) (Best Overall Pair) 7247=12DW7 GE Mullard England NOS 1966 (1.8/12ma and 1.7/11.8ma) (High Ma and Gm)
(!!!) (Best Single) 7247=12DW7 GE Mullard England NOS 1966 (1.3ma/12.6ma) (High Ma and Gm)
(!!!) (Best Single) 7247=12DW7 GE Mullard England NOS 1966 (1.4ma/14.5ma) (High Ma and Gm)
(!!!) (Best Single) 7247=12DW7 Mullard England NOS 1963 (1.9ma/11.8ma) (High Ma and Gm)
(!!!) (BEST VALUE SINGLE) 7247=12DW7 Hammond Mullard UK like new 1966 (1.3ma and 9.6ma)
(!!!) (BEST VALUE SINGLE) 7247=12DW7 Hammond Mullard UK used/like new 1963 (1.1ma and 9.2ma)
7247 Fisher Telefunken Germany <> bottom "RIBBED PLATES" used/good 1964 (.8ma and 10.4ma)
