Please Note Due to the Labor Day holiday weekend schedule, orders placed after 6:00 p.m. on Thursday, Sept. 2 CST will not ship until Thursday, Sept. 9.

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6CA7 / EL34 / KT77

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EL34 / SVEL34 SED "Winged C" new production - premium matched

Price: Starting at $26.00

These EL34 power tubes are made exclusively at the SED SPb factory in St. Petersburg and they bear the "Winged C" logo. The current production SED SVEL34 tubes meet or exceed the original version. Prices include extended burn-in and precision matching.

KT77 Genalex Gold Lion new production - premium matched

Price: Starting at $42.00

Sale Price: Starting at $37.80

These new production Genalex Gold Lion KT77 power tubes can directly substitute for 6CA7 or EL34 type tubes. Prices include extended burn-in and precision matching.


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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar players, DIY tube audio enthusiasts, and audiophiles.

We also offer high quality and hard to find parts for DIY tube amplifier projects.

Our website features secure payment options and fast, convenient shipping around the world.