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(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (8.2ma and 7.6ma)
(!!!!) (Best Value Pair) 6C4WA Philips JAN by Sylvania NOS 1987 (8.8ma and 9.2ma) (same Gm)
(!!!!) (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) EZ81 GE Mullard Blackburn UK NOS 1966 (57/40 and 60/40)
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK "O" getter like new 1964 (56/40 and 57/40) 1-2% section balance
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded Pope Holland "D" getter used/strong 1963 (56/40 and 57/40)
(!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded VALVO like new 1964 (57/40 and 58/40)
(!!!!) (Best Value Single) JAN-6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (10/16ma)
(!!!!) (Good Value Pair) 6L6WGB=5881 Sylvania and Philips JAN black base 1979-1986 (72ma and 73.4ma)
(!!!!) (Pair) 5Y3GT Philips Holland NOS 1960's (60-65/40 and 60-66/40)
(!!!!) (Pair) 6BQ5 Sylvania gray plate NOS 1970's - 1986 (44ma and 47ma)
(!!!!) (Pair) 6J5GT Sylvania lightning logo NOS 1945-1946 (7.6ma and 7.4ma)
(!!!!) (Pair) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.3ma and 43ma/44ma)
(!!!!) (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) 6BQ5 Sylvania black plate NOS 1970 era (63ma and 68ma)
(!!!!) (Recommended Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (9.0ma and 9.4ma) 1-5% matched
