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(!!!!) (Single) 12AT7 RCA NOS 1965 (7.2/12.8ma) (good tone)
(!!) (Best Pair #3) 6GJ7=ECF801 Mullard UK branded RCA NOS 1975-1976
(!!!) (Best Single) GB-5654=6AK5 Sylvania Gold Brand nickel pins 1970's (8.5ma)
(!!) 6AN8A Raytheon USA NOS 1960's (13.5/14.5ma)
(!!!!) (Best Single #1) JRP-12AX7 Raytheon Black Plates NOS 1962 (Gm=1700/1800) (1.5/1.6ma) (Highest mA and Gm)
6AN8A GE Great Britain made in Japan NOS 1976 (13/19ma)
(!!) (Best Single) 6AN8A RCA NOS 1960's (15.6/16.5ma)
(!!) (Single) 12AT7 Brimar Zaerix square black plates triple mica large "O" getter halo like new 1957 (9.2/7.0ma)
(!!) 6AN8A Sylvania branded National U getter NOS 1960 era (16.6/15ma)
(!!!!!) (Best Value Single) JAN-5691 Sylvania black plates NOS 1979 (2.1/2.1ma) (Best 6SL7GT sub)
85 Ken Rad used/good 1950 (45/25)
1U5 Brimar UK 1959 rebranded Sylvania NOS 1970 era (117/60)
(!!!) (Single 1956) 6BX7GT GE triple mica "D" getter halo NOS 1956 (41/40ma)
(!) (BEST PAIR) 7B7 Sylvania branded GE NOS 1952 (100/60 and 98/60)
(!!) (Best Single) 12BY7A Tungsol NOS 1960 era (29.5ma)
(!!!) (BEST VALUE PAIR) 01A Sylvania engraved base used/good 1930's (2.4ma and 2.7ma) (same Gm)
(!!!) (Recommended Single) 6EU7 RCA NOS 1971 (53/32 and 45/32)
(!!!!) (slightly microphonic pair) E182CC=7119 Philips Miniwatt SQ Holland NOS large "O" getter halo 1962 (35/36ma and 36/34ma)
7B7 Philco by Sylvania chrome top used/very good 1940's (98/60)
(!!!) (BEST SINGLE - RARE) CX-330 Cunningham balloon engraved base NOS 1920's (3.0ma)
