MB Marcus Bonna / MB03TPC (Blue/White/Red Logo) Compact Triple Trumpet Case (Customized Model) Lichtlaerm Audio ■Strings:D'addario EXP170-SL

■Strings:D'addario EXP170-SL

Applying the physical principle that the greater the angle θ formed by this footboard force F1 and the chain pulling force F2

while aesthetically pleasing

Finish: Clear Thickness: Ambassador (1000 gauge) + Black Dot Size: 22 inches

Ensemble and guitar tone

MB Marcus Bonna / MB03TPC (Blue/White/Red Logo) Compact Triple Trumpet Case (Customized Model) Lichtlaerm Audio ■Strings:D'addario EXP170-SLMB (Marcus Bonna) is Marcus Bonna, the founder of MB (Marcus Bonna), played as a horn player in the So Paulo Symphony Orchestra from 1982 to 2002. During his daily performances, Bona was constantly frustrated by the weight of his horn case, which was a constant source of worry when traveling. He thought, "Isn't there a way to transport the horn more easily and safely?" and "I want more people to enjoy the horn, an instrument I love, without having to