fit and smooth action over many years.Annealed bell Yamaha employs special computer controlled annealing 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.Hand hammered one piece bell A one piece bell has an axial lengthwise seam, making it a continuous extension of the instruments material. This results in pure, uniform resonance and superior tone. A hammered yellow brass bell produces a perfectly balanced tone with quick response and extra presence due to advanced manufacturing.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.Double main tuning slide brace The main tuning slide on the YTR 8345has double braces which helps the response and tonal color of the instrument.Specially treated metal Thro
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