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(!!) (Best Single) 7AF7 Sylvania branded Hytron NOS round black plates NOS 1952 (9.6/9.4ma) 1-3% section balance
(!!) (Best Value Single) EF14 Telefunken Germany used/good 1950 (12.5ma)
(!!) (Recommended Pair) 1619 RCA NOS 1952 - 1960's (52ma and 53.6ma)
(!!) (Set of 4) JHY-6AK5 Hytron black plate NOS 1952 (test between 6-8ma unmatched) (4 for $39.99)
(!!) (slightly microphonic) 6SL7GT RCA NOS black plates gray coated glass 1952 (2.8/2.8ma) 1% section balance
(!!) 5Z3G Westinghouse NOS 1957 (59/40 and 61/40)
(!) (Best Single #1) JHY-6AK5 Hytron black plate NOS 1952 (9.2ma)
(!) (Best Single) 6K6GT GE NOS 1955 (43ma)
(!) (Best Single) JHY-6AK5 Hytron black plate NOS 1952 (8.1ma)
(!) (SINGLE) JAN-CLRV-6SN7WGTA GE Canada brown base NOS 1970 (7.8/6.4ma)
(!) (Single) JHY-6AK5 Hytron black plate NOS 1952 (6.8ma)
(!) 244A Western Electric NOS 1952 smaller side getter (4.4ma)
(!) 6F6GT GE Coronado NOS 1956 (36.8ma)
(slightly microphonic) 6SN7GTA GE NOS 1952 copper grid posts (7.4/10ma)
0A3 GE NOS 1963 slightly tilted glass (neon)
2050 GE burgundy base NOS 1952 (Seeburg)
2050 Raytheon NOS 1940's (Seeburg)
2050 Westinghouse NOS 1963 (Seeburg)
5719 Sylvania Gold Brand NOS 1952 (similar to 6AD4) (4 in stock)
5Y4G RCA used/good 1948 (48/40 and 53/40)
