(!!!!) (Best Sylvania Pair) 6BQ5 Sylvania black plate NOS 1970's (56.0ma and 58.0ma)
(!!!!) (Best Value Pair) 6J5GT Ken Rad black round plates NOS 1942 (7ma and 7ma)
(!!!!) (Best Value Pair) 6J5GT Raytheon black ribbed plate NOS 1940's tilted bottom mica (8.6ma and 8.2ma) (best value)
(!!!!) (Best Value Pair) 6J5GT Raytheon metal base black ribbed plate NOS 1940's (9.6ma and 9.8ma) (1-3% matched)
(!!!!) (Best Value Pair) 6L6WGB=5881 Sylvania NOS and like new same build 1970's (74ma and 75ma)
(!!!!) (Best Value Pair) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (0.8/0.9ma and 36.5ma/40ma) 1-5% matched
(!!!!) (Best Value Single) JAN-6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (10/16ma)
(!!!!) (BEST XF4 Pair) EL34 Philips Mullard NOS XF4 1979 (91ma and 94ma)
(!!!!) (Good Value Pair) 6L6WGB=5881 Sylvania and Philips JAN black base 1979-1986 (72ma and 73.4ma)
(!!!!) (Good Value XF2 Pair) EL34 Mullard UK XF2 double round "O-O" getter halo used/good 1965-1967 (72ma and 76.5ma)
(!!!!) (Pair) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.3ma and 43ma/44ma)
(!!!!) (Pair) JAN-6C4WA Sylvania NOS 1975 (7.8ma and 8.6ma)
(!!!!) (Read Review) 12AX7A=ECC83 Matsushita Japan NOS rebranded Raytheon NOS 1970 era (Gm=1800/1800 and 1.5/1.3ma) (similar to Mullard)
(!!!!) (Recommended Pair 1964) 12AU7=ECC82 Philips Miniwatt Holland NOS "o" getter halo 1964 (10.4/10.0ma and 10.2/9.8ma)
(!!!!) (Recommended Pair) 6BQ5 Sylvania black plate NOS 1970 era (63ma and 68ma)
(!!!!) (Recommended Pair) 6J5GT Raytheon black ribbed plate NOS 1940's (6.4ma and 6.4ma)
(!!!!) (Recommended Pair) 6J5GT Raytheon metal base black ribbed plate NOS 1940's (7.0ma and 7.0ma) (1% matched)
(!!!!) (Recommended Pair) 6L6WGB=5881 Sylvania NOS same build 1980 era (81ma and 84ma) (same Gm)
(!!!!) (Recommended Pair) 6U8A Philips by Sylvania NOS 1986 (15.5/16.0ma and 8.4/8.0ma)
(!!!!) (Recommended Pair) 6U8A Philips by Sylvania NOS 1986 (16.4/16.8ma and 9.2/9.2ma)
