(!!!!) (Best Pair #1) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 44ma/45.5ma) 1-3% matched
(!!!!) (Best Pair #1A) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 36ma/36ma) 1-3% matched
(!!!!) (Best Pair #2) 6AQ5A GE NOS 1974-1981 (50ma and 52ma)
(!!!!) (Best Pair #2) 6F6G Marconi Spain NOS 1940's (37.5ma and 39ma)
(!!!!) (Best Pair #2) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 33ma/31.5ma) 1-3% matched
(!!!!) (Best Pair #3) 6F6G Marconi Spain NOS 1949 (35.8ma and 38ma)
(!!!!) (Best Pair #4) 6DL5=EL95 Philips Mullard UK NOS 1965 (22.0/22.8ma) 1-5% matched
(!!!!) (Best Pair #4) 6F6G Marconi Spain NOS 1949 (35.2ma and 39.4ma)
(!!!!) (Best Pair #5) 6DL5=EL95 Philips Mullard UK NOS 1965 (24.8/26.0ma)
(!!!!) (Best Pair 1930's) 30 Sylvania engraved base NOS 1930's (3.2ma and 3.4ma) (same Gm)
(!!!!) (Best Pair) 30 Sylvania NOS 1946 (3.4ma and 3.8ma) (same Gm)
(!!!!) (Best Pair) 6005W Sylvania JAN black plate clear glass NOS 1971-1975 (42.5ma and 43ma)
(!!!!) (Best Pair) 6L6G MULLARD UK NOS 1959 (66.5ma and 68.2ma) (Same Gm)
(!!!!) (Best Pair) 7189 Sylvania black plates NOS 1970 era (42ma and 46ma)
(!!!!) (BEST PAIR) 7C5 Sylvania branded International NOS 1960's (39ma and 40ma) (LOKTAL BASE 6V6GT)
(!!!!) (Best Pair) ECL86=6GW8 Philips Holland NOS 1968 (1.1/1.2ma and 40.5/44ma)
(!!!!) (Best Pair) ECL86=6GW8 Philips Holland NOS dimpled disc getter halos 1968 (1.6/1.7ma and 36/41ma)
(!!!!) (Best Pair) ECL86=6GW8 Siemens Germany NOS 1968-1969 (1.1/1.2ma and 41/46ma)
(!!!!) (BEST PAIR) EL86=6CW5 Mullard UK NOS factory matched pair 1963 (70ma/74ma) (close Gm)
(!!!!) (Best Pair) GB-6005 Sylvania Gold Brand Gold Pins NOS coated glass 1960's (47ma and 48ma) (best sound)
