Mesa Boogie Tube Kit, Upgraded, Triple Rectifier Amplifier, 6L6

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This is an upgraded Tube Kit designed to replace all of the tubes in your Mesa Boogie Triple Rectifier Head. It includes the upgraded SPAX7 preamp tubes as opposed to the standard 12ax7's. The Standard (6L6) Kit includes: 6x MESA 6L6 Tubes, Matched - STR-445 Premium Grade 5x MESA Premium SPAX7 Preamp Tubes (upgraded from 12ax7) 3x MESA 5U4GB Rectifier Tube - Short Version MESA SPAX7 preamp tubes are a low noise super-premium grade substitute for any 12AX7 positions - They are a "Special Requirement Preamp Tube" that possess an even higher standard of overall performance, due to their incredibly low sensitivity to microphonic noise - This is the ultimate preamp tube to use in all critical gain stage positions - It is the absolute best of the best! Show more