(!!!!!) (Recommended Single) KT88 GEC UK used/tests like new 1960's (137.6ma, Gm=10,800)
(!!!!!) (Recommended XF2 Pair) EL34 Mullard UK XF2 single halo "O" NOS 1969-1970 (87.6ma and 90.5ma) (close Gm)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (58/40 and 63/40)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (58/40 and 64/40) (Fender, Supro, Victoria, Decware) (Best Sound for the money) (Copy)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (60/40 and 65/40) (Fender, Supro, Victoria, Decware) (Best Sound for the money)
(!!!!!) (Single) 5Y3GT Philips Holland NOS 1960's (60/40 and 66/40) (Fender, Supro, Victoria, Decware) (Best Sound for the money)
(!!!!) (2nd Best GE Pair) 5U4GB GE NOS 1977 (62-61/40 and 60-62/40 x 2 tubes)
(!!!!) (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) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (3.0ma) (Neumann, Lawson, Soundelux, Manley)
(!!!!) (3rd Best Pair) GB-6136=6AU6 Sylvania Gold Brand Gold Pins NOS 1960's (6.5ma and 6.5ma) 1% matched
(!!!!) (5th BEST PAIR) 6SQ7 RCA NOS 1950-1953 (0.9ma and 0.9ma) **
(!!!!) (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 OVERALL PAIR) 5881 Tungsol NOS 1951 and like new 1950 (72.5ma and 70ma)
(!!!!) (Best Overall Pair) 5U4GB GE NOS 1977 (60-61/40 and 60-61/40)
(!!!!) (BEST OVERALL PAIR) 5U4GB Raytheon NOS "O" getters 1962 (59-60/40 and 59-60/40) 1% matched
(!!!!) (BEST OVERALL PAIR) 5U4GB RCA NOS 1973 (60-60/40 and 60-60/40) 1% matched
(!!!!) (Best Overall Pair) 5Y3GT Philips Holland NOS 1960's (62-63/40 and 62-64/40)
(!!!!) (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