Mesa Boogie Tube Kit, Upgraded, Express 5:50 Amplifier

Availability: In Stock Now!

Humbucker Music

$ 249.00 


This is an upgraded Tube Kit designed to replace all of the tubes in your Mesa Boogie Express 5:50 Head or Combo. It includes the upgraded SPAX7 preamp tubes as opposed to the standard 12ax7's.

The Express 5:50 Upgraded Tube Kit includes:

2 x 
MESA Matched 6L6 Tubes, Matched, STR-445 Premium Grade
5 x MESA SPAX7 Preamp Tubes (upgrade from standard 12ax7)

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!