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(!!!!!) (Best Pair) 45 RCA Radiotron 1940's used/test like new (28.2ma and 31.5ma) (Close Gm) (Excellent sonics in SET amp)
(!!!!!) (Best Single) 45 Raytheon NOS 1940's (38ma) (Highest Ma and Gm)
(!!!!!) (Single) 45 RCA/Cunningham engraved base used/65-70% (19ma)
(!!!) (Best Single) 45 Tungsol tests like new 1940's (40ma)
(!!) (Best Value Pair) 45 RCA Radiotron 1930's - 1940's used/good/70-75% (19ma and 20.2ma) (good sonics)
(!!) 45 RCA 1940's used/good (22.6ma) (strong Gm)
