(!!!!!) (2nd Best Pair) 6F6G Marconi Spain NOS 1940's (33.2ma and 34.2ma)
(!!!!!) (Best Overall Pair) 6F6G Marconi Spain NOS 1940's (33.2ma and 34.2ma) 1-2% matched
(!!!!) (Best Pair) 80=U50 Marconi Madrid Spain tall bottle NOS 1949 (54-64/40 and 57-62/40)
(!!!!) (Recommended Pair) 6F6G Marconi Spain NOS 1940's (37.5ma and 39ma)
(!!!) (Recommended Pair) 12BZ7 National Union branded Admiral and Sylvania "U" getter NOS 1960-1961 era (1.6/1.6ma and 1.7/1.8ma)
(!!!) (Recommended Pair) 12BZ7 RCA NOS 1964 and 1968 (1.8/1.8ma and 1.8/1.9ma)
(!!!) 6BL7GTA GE branded Marconi NOS 1960 era tilted glass (46/53ma) (High Gm) strong single
(!!) (Best Pair) 6A7G Marconi Radiotron Canada NOS 1950 era
(!!) (Best Pair) 6A7G Marconi Radiotron Canada NOS 1950 era (47/29 and 47/29)
(!!) 5814A RCA black plates used/good 1964 (7.2/8.4ma)
(!) (Best Single) 6111 France NOS 1962 (7.6/8.2ma)
(!) (Best Single) 6111 France NOS 1962 (7.8/8.2ma) (best triode balance)
(!) (Best Single) 6111 France NOS 1962 (8.4/9.5ma)
(slightly microphonic) 12BZ7 CBS NOS rebranded Westinghouse early 1950's large D getter (2.4/3.3ma)
12DB5 US Brands NOS (6 in stock)
5R4GYA GE NOS 1959 (48/40 and 50/40)
6111 France NOS 1962 (6.3/7.4ma)
6A7G Marconi Radiotron Canada NOS 1950's (6 in stock)