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(slightly microphonic) JAN-CHS-6SN7W Sylvania "SHORT BOTTLE" used/good 1945 (7.0/7.6ma)
(READ REVIEW) 12AU7=ECC82 RT Radio Technique France long plates 1958-1959 (11.6/9.8ma) (close Gm)
(sold out) 6414 Raytheon triple mica black plates NOS 1950's misbranded E80CC National
(!!!!!) (Best Mullard Pair #1) 12AU7=ECC82 Philips Mullard UK NOS 1966-1974 same build (10.6/10.3ma and 11.7/10.4ma) (close Gm matching) (Rogue, Hovland, Audio Note)
(!!!!) (Best Single) 6DJ8=ECC88 Sylvania JAN NOS 1974 (17.0/17.5ma) 1-3% section balance
(READ REVIEW) 403B Western Electric NOS D getter 1956 (7.0ma)
(!) 417A/5842 LM Ericsson Sweden used/good "O" getter halo 1960's (19ma and Gm=23,900)
(!!) 6S8GT GE NOS (3 in stock)
864=VT-24 Hytron USA NOS 1940's (3.4ma)
01A National Union NOS 1940's (3.1ma)
01A Wards by Sylvania used/good 1940's (2.6ma Gm=700)
(READ REVIEW) 7247=12DW7 Mullard England rebranded Hammond and Bogen 1965-1970 (1.2/10ma and 1.1/10ma) (1-3% matched)
(!!!!) (Single) 12BH7A Westinghouse black plates "D" getter NOS 1961 (6.2/7.0ma)
6S7G Zenith by Sylvania tests like new 1930's (96/60)
12BE6 Sylvania NOS 1960's (1.6ma)
(!) 5751 GE gray plates double mica used/good 1960's no printing (2.0/2.3ma)
(!!) (Best RCA single) 5965 RCA IBM black plates triple mica "D" getter like new 1958 (12.0/12.2ma)
(!!!) (Single) 5814A=12AU7 GE NOS 1960's rebranded 5814WA Penta Labs 1993 (9.8/11.2ma)
(!!!!) (Recommended Single) 6DJ8 Philips Miniwatt Holland NOS 1960 era large "O" getter halo (18.0/19.4ma)
(!!!!) (Recommended Pair) 6BX7GT RCA NOS 1965-1966 (61.5/54ma and 49.2/58ma)
