Mesa Boogie SPAX7 Single Tube 18_p2_offset and it amplifies wonderfully with

and it amplifies wonderfully with Taylor’s Expression System® 2 pickup

with greater symmetry and overall range of amplitude modulation

Taylor's Grand Symphony shape yields a beefy acoustic sound with extra low-end horsepower

While its newer cousin

Mesa Boogie SPAX7 Single Tube 18_p2_offset and it amplifies wonderfully withMESA SPAX7 preamp tubes are a premium grade 12AX7 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 critical gain stage applications, particularly in first stage input positions or other high gain stages in the preamp tube string. These tubes are selected during our rigorous 12AX7 testing process and when found to be substantially more