(!!!!!) (Recommended Single) 12AX7 BRIMAR BVA England NOS narrow ribbed plates NOS 1960 (1.4/1.5ma) (Highest mA and Gm)
(!!!!!) (Recommended Single) 421A=5998 Western Electric NOS 1984 (81ma and 94ma)
(!!!!!) (Recommended Single) ECC83=12AX7 Telefunken Germany smooth plates NOS 1963 (1.0/1.3ma and Gm=1500/1700)
(!!!!!) (Recommended Single) KT88 GEC UK used/tests like new 1960's (137.6ma, Gm=10,800)
(!!!!) (1 Pair) 5654=6AK5W GE NOS 1983 (7.3ma and 7.9ma) (same Gm)
(!!!!) (2nd Best Pair) CK-6072 Raytheon triple mica black plates "O" getter halo 1962 used/test like new faded printing (2.6/2.7ma and 2.7/2.8ma) 1-3% matched (Same Gm)
(!!!!) (2nd Best Pair) EF86 Telefunken Germany <> bottom NOS gray shield 1972 1-2% matched (3.0ma and 3.1ma) (U67 Neumann, Lawson, Soundelux, Manley)
(!!!!) (2nd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.8ma and 6.9ma) (Same Gm)
(!!!!) (2ND BEST RCA PAIR) 6EU7 RCA NOS 1970-1972 (44-50/32 and 43-49/32)
(!!!!) (2nd Best Single) JAN-5998 Tungsol black plates top and side getter NOS 1966 (88ma and 101ma)
(!!!!) (3rd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.5ma and 6.5ma) 1% matched
(!!!!) (Best 6922 Single) USN-CEP-6922 Amperex USA NOS 1964 pins #7-#8 gently cleaned of oxidation (18.5ma/20.2ma) (Best American Made 6922)
(!!!!) (Best 8 pin octal socket ever made) 8 pin EF-Johnson USA Ceramic Chassis Sockets NOS "factory sealed" 1966 and 1968 (EF part #122-228-200) (15 in stock)
(!!!!) (Best GE Quad) 12SN7GTA GE coin-base side getter NOS 1980 (matched quad) 1-3% matched
(!!!!) (Best Holland Pair) ECC82=12AU7 Philips Holland NOS 1971 (10.8/11ma and 10.0/10.4ma)
(!!!!) (Best Matched Quad) CV378=GZ37 Mullard NOS 1966 same date codes original boxes
(!!!!) (BEST OVERALL PAIR) 5U4GB Raytheon NOS "O" getters 1962 (59-60/40 and 59-60/40) 1% matched
(!!!!) (BEST OVERALL PAIR) 5U4GB Raytheon NOS "O" getters 1962 (61-60/40 and 61-60/40) 1% matched
(!!!!) (Best Overall Pair) ECC82=12AU7 Telefunken Germany <> Bottom smooth plates NOS 1961-1965 very good printing (9.8/10.9ma and 9.8/10.4ma) 1-5% matched
(!!!!) (BEST OVERALL PAIR) ECF80=6BL8 Mullard rebranded Philips NOS 1966 1-5% matched