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(!!!) (Best GE Single) 6EU7 GE NOS pinched gray plates 1975 (56/32 and 58/32)
(Best Single #1) 6F5 GE Amperex metal can NOS (1.6ma Gm=1800)
(!!!!) (Recommended Single 1954) GL-6201=12AT7WA GE "5 STAR" black plates triple mica D getter 1954 tests like new (8.2/8.4ma)
(!!!!) (2ND BEST RCA PAIR) 6EU7 RCA NOS 1970-1972 (44-50/32 and 43-49/32)
6F5 RCA Victor metal can used/good 1940's (0.6ma Gm=900)
(!) (Best Single) 6BR8A RCA NOS 1959 (16.6/10.8ma)
6BR8A US Brands used/good (10 in stock)
(!) (PAIR) 5BQ7A Dumont by GE gray plates NOS 1973 (8.3/8.0ma and 8.6/9.8ma)
(!) (PAIR) 5BQ7A Dumont by GE gray plates NOS 1973 "U" and "O" getter (7.0/7.4ma and 7.0/6.6ma)
(READ REVIEW - GOOD HUMOR) 5BQ7A RCA branded Raytheon black plates "D" getter faded printing 1950's (14.0/13.6ma)
1LD5 Sylvania NOS 1940's (111/60)
1LD5 Sylvania used/good 1940's no printing (107/60)
PCC85=9AQ8 Funkwerk RFT Germany NOS 1958 in white box (12.6/12.4ma)
PCC85=9AQ8 Funkwerk RFT Germany NOS 1958 in white box (13.5/16.0ma)
(!!!!) (2nd Best Single) 5842=417A Amperex "PQ" Holland "D" getter Gold Pins NOS 1956-1959 (23ma)
(!!!) (Good Value Single) JAN-6189=12AU7WA Sylvania NOS 1960 era in white box (8.6/10ma)
(!!) (Best Single) 12BH7A Channel Master Japan by Hitachi 1959 (14.2/13.2ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!!) (Best Value Single) ECL82=6BM8 Siemens made in Bharat Electronics India Philips plant NOS 1974 (2.1/37ma)
(!!) (Single) 6060=12AT7 Brimar Thorn UK square black plates triple mica large "O" getter halo 1960 NOS (6.4/8.4ma) (Premium low noise 12AT7)
(!!!!) (Best Overall Single) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (11.2/11.7ma) 1-2% section balance (Highest mA and Gm)
