(!!!!) (Best Pair) 6F6G Marconi Spain NOS 1940's (34.0ma and 34.5ma)
(!!!!) (Best Pair) 6F6G Marconi Spain NOS 1940's (34.8ma and 35.2ma) (Same Gm)
(!!!!) (Best Quad) 6F6G Marconi Spain NOS 1940's (33.2/33.5/33.5/34.2ma) 1-2% matched
(!!!!) (Recommended Pair) 6F6G Marconi Spain NOS 1940's (33.2ma and 34.2ma)