(!!!!) (3rd Best Pair) 27 Philco by Sylvania NOS 1940's (6.0ma and 6.1ma) 1-2% matched
By Tube World
$ 41.99
1 pair) 27 Philco by Sylvania NOS 1940's
1 tube) 6.0ma Gm=1000
1 tube) 6.1ma Gm=1000
NOS mA 5.2ma+
NOS Gm 900+
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