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71A triode types
The Sylvania 71A tubes in this premium matched pair are 4-pin triode power tubes. They have ST bottles and black bases with the green Sylvania logo. Both tubes test as new and are matched for both transconductance (Gm) and current draw (mA).
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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