(!!) 12BH7A Westinghouse black plates "U" getter used/good 1950's (6.2/7.2ma)
(!!) 7247=12DW7 GE branded Westinghouse "U" getter used/good early 1960's (0.7ma and 8.6ma)
(!!) 12SN7GT Sylvania Philco chrome top black plates NOS 1956 (8.2/8.4ma)
(!!) 13D3 Brimar UK black plates tests like new 1962 (6.8ma/7.2ma) (similar to 12AU7)
(!!) 227 National balloon used/good, rattle inside base 1930 era (5.3ma)
(!!) (Best Single) 26 Deforest Audion balloon tests like new 1920's (8.3ma, Gm=1300)
(!!) 26 RCA Radiotron balloon used/good 1920's (6.2mA Gm=900)
(!!) 286A Western Electric "top printing" NOS 1942-1945 (6.9ma) (Buy two 286A receive 5% discount)
(!!) 286A Western Electric low hours/tests like new "top printing" 1942-1945 (6.8ma)
(!!) (Single) 5692 CBS Hytron brown base branded 6SN7 used/good 1950's (8.5/8.6ma) 1-2% section balance
(!!) 5751 GE 5 Star used/good 1970 (1.6/1.7ma)
(!!) 5751W1 Sylvania triple mica "O" getter halo used/good early 1960's misbranded 12AX7WA (1.8/2.0ma)
(!!) 5814A RCA black plates used/good 1964 (7.2/8.4ma)
(!!) 5842 Raytheon branded RCA NOS 1976 (20ma and Gm=20,000)
(!!) 5842 Raytheon branded RCA NOS windmill getter galo 1967 (28ma Gm=25,000)
(!!) 5963=12AU7 RCA NOS 1963 (9.2/9.6ma)
(!!) 6350 RCA NOS triple mica "U" getter NOS 1960 era (12.8/13.2ma)
(!!) 6350 Sylvania black plates rebranded United "U" getter used/good 1950's (8.7/9.3ma)
(!!) 6BH6 GE black plate NOS "U" getter halo 1953 (6.5ma)
(!!) 6BH6 GE black plate NOS "U" getter halo 1956 (8.0ma)
