(!!!!!) (BEST PRICE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (18 in stock)
(!!!!!) (BEST PRICE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's in WHITE boxes (4 for $35.49)
(!!!!!) (BEST SINGLE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (55/40 and 55/40)
(!!!!) (Best GE Pair) 6021 GE 5 Star Rated NOS "D" getter halo 1957 in GE 5 Star Boxes 2-3% matched (5.6/6.3ma and 5.8/6.1ma)
(!!!!) (Best Overall Single) 12BH7A Sylvania Philco gray oval plates "square=D" getter halo NOS 1960 (9.8/9.8ma) 1-2% section balance
(!!!!) (Best PAIR for the money) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's 1% matched (52/40 x 4 sections)
(!!!!) (Best RCA Single) 12AU7 RCA tall gray ribbed plates "D" getter NOS mid-1950's (8.8/9.0ma)
(!!!!) (Best Value) ECC32 ADZAM by Mullard like new brown base/black plates "D" getter halo 1950-1955 (5.1/5.1ma) 1% section balance
(!!!!) (Good Value Pair) 403B Western Electric NOS "D" getter halo 1966-1970 (6.3/6.5ma) (6AK5 sub)
(!!!!) (~ Recommended Pair ~) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's 1% matched (53/40 x 4 sections)
(!!!!) (~ Recommended Pair ~) JTL-6X4W Tungsol NOS 1955 curved "D" getter halo (best sound) (recommended for Audio Note) (52-52/40 and 53-53/40 x 2 tubes)
(!!!) (#1 6BX7GT 1956 Single) 6BX7GT GE "D" getter halo 1956 (45.5/46ma) (1% section balance)
(!!!) (#1 6BX7GT GE Pair) 6BX7GT GE branded Tungsol NOS "D" getter halos 1950's (44/54ma and 43/52ma)
(!!!) (#1 6X4W Tungsol from 1955) JTL-6X4W Tungsol NOS 1955 curved "D" getter halo (12 in stock) (best sound)
(!!!) (#1 EL34 Holland Single 1958) EL34 Amperex Bugle Holland brown base NOS 1958 (74ma)
(!!!) (#1 EL34 Holland Single 1961) EL34 GE Holland brown base NOS 1961 (95.2ma)
(!!!) (#2 EL34 Holland Single 1961) EL34 GE Holland brown base NOS 1961 glass slightly tilted (81ma)
(!!!) (Best 7062 Single) 7062 Amperex Holland "PQ" NOS large "D" getter halo 1960 (9.4/10.0ma)
(!!!) (Best GE Pair 1956) JG-6021 GE NOS "D" getter halo 1956 (1 pair)
(!!!) (Best Raytheon 6X4) JRP-6X4W Raytheon NOS "D" getter NOS 1954 (58/40 and 64/40)
