Mesa Boogie SPAX7 Preamp Tube Jam Blocks counterclockwise for a more conservative

counterclockwise for a more conservative approach

In a real tape recorder

easy and fun to play mouthpiece that captures the full range of tonal qualities of the instrument

and has been used on countless records to transform simple chords into epic soundscapes

Mesa Boogie SPAX7 Preamp Tube Jam Blocks counterclockwise for a more conservativeMESA 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