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Sylvania 6SN7GTA - tall bottle
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5 in stock
Item Number: 557
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This early 1960s Sylvania 6SN7GTB tube has a tall bottle, black plates, and a halo getter with lots of chrome flashing. The green print on the base has the Sylvania lightning logo.
Tube tests as new with balanced sections and low noise. It ships in a new white box with test results for current draw (mA) and transconductance (Gm).
This tube is sold individually. Photo is a sample tube from the lot.
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The 1960s Sylvania 6SN7GTB tubes in this precisely matched pair have black plates with copper grid posts. The yellow print on the bases has the Sylvania lightning logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
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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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