12AX7 - Single
$43.00
Overview The MESA® 12AX7 preamp tubes are the foundation behind the final tone of your vacuum tube amplifier. They are used, early in the circuit, to determine how clean, lush, layered and aggressive the eventual tone...
SPAX7 - Single
$48.00
Overview The MESA® 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...
12AT7 - Single
$41.00
Overview The MESA® 12AT7 is a premium grade, lower gain preamp tube most often used in reverb stages and/or phase inverter positions in older amplifiers. It is used in older MESA/Boogie® designs (MESA amps built...