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(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (47-48/40 and 48-48/40)
(!!!!) (Recommended Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49-49/40 and 48-49/40)
(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)
(!!!!) (Recommended Single 1954) GL-6201=12AT7WA GE "5 STAR" black plates triple mica D getter 1954 tests like new (8.2/8.4ma)
(!!!!) (Recommended Single 1957) 12AU7A Zenith Sylvania D getter NOS 1957 (13.0/13.2ma)
(!!!!) (Single) 12AU7 RCA Italy ribbed plates NOS 1960's (8/10.6ma)
(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1975 (19/24.5ma)
(!!!!) (Single) 6L6GC=6n3CE Russian NOS 1990 coin/wafer base (75.6ma)
(!!!!) (Single) GB-6922 Sylvania Gold Brand Gold Pins used/75% 1960's (8.0/8.4ma)
(!!!) (Best GE Single) 6EU7 GE NOS pinched gray plates 1975 (56/32 and 58/32)
(!!!) (Best GEC Single) KT66 GEC UK branded IEC Mullard low hours/tests like new 1971 (90.6ma)
(!!!) (Best Pair #1) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (15.4/12.5ma and 15.4/12.5ma)
(!!!) (Best Pair #3) 6973 Sylvania and Sylvania branded GE gray plate NOS 1970's - 1980 (60ma and 58ma)
(!!!) (Best Pair #4) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (13.6/11.5ma and 13.0/12.2ma) 1-5% matched
(!!!) (Best Pair) 5U4GB Sylvania NOS 1960's (59-62/40 and 60-62/40)
(!!!) (Best Pair) 6973 Sylvania branded GE gray plates NOS 1970 (44ma and 46ma)
(!!!) (Best Pair) 6FQ7 GE NOS 1970's (9.8/8.8ma and 8.5/9.6ma) (close Gm)
(!!!) (BEST PAIR) 6SL7GT GE NOS 1957 same date codes (2.1/2.1ma and 2.1/2.2ma) (Close Gm)
(!!!) (BEST PAIR) 7308 Sylvania JAN NOS 1976 in white boxes (14.4/19.4ma and 18.0/15.6ma)
(!!!) (Best RCA Pair) 6BQ5 RCA NOS 1960's - 1970 (55ma and 58.5ma)