(!!!!!) (Best 448A Pair) 448A Western Electric smooth top used/test like new 1965-1968 (42.5ma and 45.5ma) (Matched on Amplitrex)
(!!!!!) (Best Overall Pair) 336A Western Electric NOS 1956-1957 (42.0ma and 43.3ma) (Highest Ma) (matched on Amplitrex)
(!!!!!) (Recommended Pair) 336A Western Electric NOS 1956 (39ma and 42ma) (matched on Amplitrex)
(!!!!) (BEST PAIR) 309A Western Electric NOS 1960 (4.8ma and 5.1ma) (same Gm)
(!!!!) (Best Pair) D3a=7721 Siemens Germany NOS 1978 (32.5/33ma) 1% matched
(!!!!) (Recomended Single) 336A Western Electric NOS 1967 (34ma)
(!!!!) (Recommended Pair) EL84 Telefunken Germany <> bottom NOS 1963-1966 (68ma and 69.5ma) (recommended for FIXED-BIAS amp only due to high current)
(!!!!) (Recommended Single) Z729=EF86 GEC UK mesh-plate NOS "D" getter halo 1950's (3.1ma)
(!!!!) (Recommended Single) Z729=EF86 GEC UK NOS "D" getter halo 1950's (2.9ma Gm=2000)
(!!!) (#1 374A) 374A Western Electric black plate used/test like new 1960's (21-25ma) (11 in stock)
(!!!) (Best Pair) 6AG7 RCA NOS 1950-1951 (31.5ma and 32.0ma)
(!!!) (Best Siemens Pair) EL84 Siemens Halske Germany 1966-1969 (40ma and 42.5ma)
(!!!) (Best Single) EL84 IEC Mullard NOS "D" getter made in Wien, Austria 1958 (47ma) (same sound as Philips Holland)
(!!!) (Best tipped top pair) 448A Western Electric tipped top used/tests like new 1965 (35.5ma and 36.4ma) (Matched on Amplitrex)
(!!!) (Good Value Pair) EL84 Amperex Bugle Boy Austria "D" getter used/good 1958-1959 (33.8ma and 35ma)
(!!!) (Recommended Pair) EL84 Telefunken Germany <> bottom used/test like new 1961 and 1969 (47ma and 48.5ma)
(!!!) (~ RECOMMENDED PAIR ~) 329A Western Electric NOS 1956 (33ma and 34ma)
(!!!) (~ Recommended Pair ~) 448A Western Electric tipped top used/good 1965-1966 (28ma and 29.2ma) (Matched on Amplitrex)
(!!) (#1 374A) 374A Western Electric gray plate used/test like new 1960's (21-25ma) (6 in stock)
(!!) (Best Pair 1960) 6AG7 RCA NOS 1960 (25ma and 26ma)
