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(!!!) (Good Value Pair) 6SL7GT Sylvania gray round plates chrome top used/good 1949-1954 (2.3/1.9ma and 2.4/2.1ma)
(!!!) (Good Value Pair) 6SL7GT Sylvania gray round plates chrome top used/good 1949-1954 (2.3/1.9ma and 2.4/2.1ma)
$ 29.99
1 low noise pair) 6SL7GT Sylvania gray round plates chrome top used/good in WB
1 tube) 2.3/1.9ma Gm=1400/1300 (1949) Sylvania green
1 tube) 2.4/2.1ma Gm=1600/1500 (1954) branded PHILCO - red
Good current (mA) range = 2.0-2.5ma
Good Gm = 1500
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