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

The Mesa Boogie Dual Rectifier 6L6 Upgraded Tube Kit in designed to replace all your tubes in your 6L6 equipped Dual Rec head. It included the upgraded SPAX7 preamp tubes as opposed to the standard 12ax7 tubes.

The Upgraded (6L6) Kit includes:

4x MESA 6L6 Tubes, matched - STR-445
5x MESA Premium SPAX7 Preamp Tubes (upgraded from 12ax7's)
2x 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!