BEST BRASS Best Brass / Groove Series 1X Trumpet Mouthpiece PROTEC Acoustical operating principle Pressure gradient

Acoustical operating principle Pressure gradient transducer

Rugged construction

It's suitable for jazz and studio playing

hold the disc-shaped end

■ Equipped with a front-panel XLR microphone input with phantom power support

BEST BRASS Best Brass / Groove Series 1X Trumpet Mouthpiece PROTEC Acoustical operating principle Pressure gradientTo embody the "great trumpet sound" that BEST BRASS envisions, the trumpet is designed to be slightly heavier. The two acoustic slits that accentuate the unique design also allow for greater projection and flexibility. You are guaranteed to achieve a rich sound, long range projection, and a dignified, ``trumpet like tone.'' You'll also be surprised at the playing feel, which is surprising for a heavy type. Rim inner diameter (mm): 17. 150 Cup depth: