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RCA 5963 / 12AU7 - matched pair, various labels
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10 matched pairs in stock
Item Number: 336
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The RCA 5963 tubes in this precisely matched pair are industrial versions of the 12AU7 type tube. They have long gray plates and halo getters. The red print on the glass has the Hewlett Packard logo.
Both tubes test as new with balanced sections and very low noise. They are matched for both current draw (mA) and transconductance (Gm). They ship in new white boxes.
These tubes are sold as a matched pair. Photo is a sample pair from the lot. Singles, when available, are listed as Item 337.
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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.
PLEASE NOTE: Orders placed Feb. 7-Feb. 20 will ship Tuesday Feb. 21.
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