equipment to ensure that the end result of this heating and cooling process is a consistently superior sound. Hand lapped pistons and slides Hand lapping pistons and slides ensures an absolutely perfect fit and seal between the pistons and casing or slide parts. Such a perfect fit helps to achieve smooth air flow and smooth action and improve the response and intonation of the instrument. New mouthpiece receiver length Enhances the responsiveness of the instrument. Improved braces between valve castings Add vibrancy and life to the sound of the horn. Pressure formed tubing Perfectly rounded tubing results in less turbulence and a smoother air flow, thus allowing for an excellent scale and reduced resistance. Laser fused pluzuma welded bell A high energy laser fuses the brass together for a virtually seamless bell which allows continuous even vibrations. One piece drawn leadpipe This type of leadpipe offers excellent intonation, response and proper resistance. Single main tuning slide brace The main tuning slide on the YTR 8445 has a single brace which helps the response and tonal color of the instrument. Specially treated metal Through research, Yamaha designers have developed a process for treating metal that enables the heavyweight trumpets to deliver more power, better control, and richer sound. Leadpipe thickness A thicker leadpipe helps the trumpet have a better tone and response. Metal thickness The heavyweight trumpets have heavier metal through
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