(!!!!) (Recommended Pair) 30 Sylvania NOS 1940's (3.0ma and 3.1ma)
$ 34.44
1 pair) 30 Sylvania NOS 19460'soriginal boxes
1 tube) 3.0ma Gm=800
1 tube) 3.1ma Gm=900
1 tube) 3.0ma Gm=800
1 tube) 3.1ma Gm=900
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