(!!) (Best Value Single) 6SN7GTB RCA used/good 1950's (7.0/7.6ma) (Gm the same)
(!!) (Best Value) 6SN7GTB RCA NOS 1959 side getter (6/8ma)
(!!) (Good Value Single) JAN-CG-6SN7GT GE NOS 1953 (9.6/8.5ma)
(!!) (Single) 5692 CBS Hytron brown base branded 6SN7 used/good 1950's (8.5/8.6ma) 1-2% section balance
(!!) (Slightly microphonic single) 6SN7GT Brimar UK NOS slightly microphonic 1960 era (6.8/7.8ma)
(!!) 6SN7GT Raytheon taller bottle parallel black plates NOS 1949 (8.2/8.0ma)
(!!) 6SN7GT RCA used/good 1953 (6.6/7.6ma)
(!!) 6SN7GTA RCA branded CAPEHART used/like new 1955 (8.4/9.8ma)
(!!) 6SN7GTA Sylvania "chrome top" tall bottle used/good 1950 era (6ma/6ma) 1-2% section balance
(!!) 6SN7GTB RCA branded Superior NOS 1960's (7.2/8ma)
(!!) 6SN7GTB Realistic JAPAN NOS tall gray ribbed plates 1960's (8/8.2ma)
(!!) 6SN7GTB Sylvania used/75% 1960's (6.0/6.4ma)
(!!) 6SN7GTB Tungsol black plates tall bottle "U" getter used/good 1950's (9.2/8.2ma)
(!) (Good Single) 6SN7GTB Westinghouse USA gray plates "O" getter halo NOS 1961 (8.0/9.4ma)
(!) (Good Value) 6SN7GTB CBS black base black plates side-getter NOS, the same shape as Sylvania 6SN7GTB 1960 (6.8/7.2ma)
(!) (SINGLE) 5692 RCA RED BASE rebranded GL-5692 GE used/good 1949 (8.2/7.6ma)
(!) 6SN7GT Westinghouse USA black plates NOS 1950 era (7.0/11.0ma)
(!) JAN-CLRV-6SN7WGTA GE Canada brown base NOS 1970 (7/10ma)
(Read Review) 6SN7GTB GE NOS 1968-1974 (Schiit)
(slightly microphonic) 6SN7GT Hytron NOS 1948 (7/8ma)