(!!!!!) (Recommended Pair) JAN-CTL6SL7WGT Tungsol NOS brown base gray ribbed plates 1961-1965 (2.1/2.2ma and 2.1/2.3ma) (low noise - very smooth sound) (phono grade)
(!!!!) (Recommended Single) 6SL7WGT Sylvania brown base round black plates "D" getter tests like new 1957 (2.1/2.3ma)
(!!!) 6SL7WGT Sylvania branded Raytheon 5691 brown base round black plates "D" getter halo used/good 1950's (1.6/1.8ma)
(!!!) 6SL7WGT Sylvania brown base round black plates like new 1955 no printing (2.6/2.8ma)
(!!) (Best Pair) JAN-CHS-6SL7WGT Sylvania brown base "square getter halo" like new faded printing (2.4/2.6ma and 2.4/2.4ma) 1-3% matched
(!!) (recommended Single) 6SU7GTY=6188 Tungsol 1950's rebranded "5691 NATIONAL" in 1980's black ribbed plates "D" getter halo triple mica (2.3/2.5ma)
