(!!!) (BEST GE PAIR) 7247 GE NOS 1984 (1.6/1.7ma and 9.4/9.6ma) 1-2% matched
12DW7 Sylvania rebranded RCA NOS 1961 (1.2ma/9.8ma)
12DW7 Sylvania rebranded RCA NOS 1961 (2.0ma/7.8ma)
7247 Fisher Telefunken Germany <> bottom "RIBBED PLATES" used/good 1964 (.8ma and 10.4ma)
7247 GE NOS 1984 (1.5ma and 8.5ma)
7247 GE NOS 1984 (1.9ma and 8.2ma)
