Improved versions of that proven classic the Custom 875, the EX saxes are the result of decades of painstaking research and trials involving some of the world's greatest saxophonists. They feature a smooth response and a deep, refined sound full of rich colors. They also feature a solid feel with quick and nimble action, a wide dynamic range, stunning projection, and an authoritative tone with a beautifully defined total core. You will find that the depth and smoothness of their sound is simply incredible, and you will also find that these horns are very flexible, at home in any kind of music. The size and shape of the key buttons have been changed for a better 'feel', while the new Custom necks enhance tonal resonance and give a quicker, more comfortable response. And the saxes feature a two-point bell brace for better efficiency, so you don't have to work as hard to sound great. New tone hole sizes The smaller C, C#, D & E tonehole diameters provide for better intonation New inner pad cup diameter The new smaller cup diameter allows for better response and resonance G3 Neck The custom handmade G3 neck improves intonation New keys and hook position Key and hook placement have been changed for better comfort Tilting style low Bb spatula keys The position, height, angle and shape of the left-hand pinky keys have all been carefully redesigned to provide extraordinary comfort and quick response. Adjustable thumb rest All Yamaha saxophones feature an adjustable thumb rest to allow for precise and comfortable hand and fingering position. Refined key shape and dimension Yamaha saxophone keys are not simply shaped and positioned according to mechanical necessity. The entire system is designed from the player's perspective, with emphasis on comfort, speed, and overall playability. The natural feel of the keys eliminates the need to adapt to an unnatural or uncomfortable key layout.