Among the long list of Getzen firsts on the 4147IB is an all new concept and approach to the outer handslide cross brace. The entire brace design was examined with performance and comfort in mind. Every aspect of the brace from the material, dimensions, weight, and location were fine tuned to match the 4147IB perfectly. Perhaps the first thing a player will notice is the more comfortable feel of the larger diameter brace. While playing, discerning trombonists will realize that the weight, alloy, and location combine to add balance to the handslide. Improving everything from slide action and responsiveness to the overall, intimate feel of the new trombone.
Similar to the 4047DS, the 4147IB utilizes several, sophisticated bracing concepts within the bell section. Most noticeable is the Getzen "DS" double edge brace system. This system eliminates the tension inherent within traditional bracing. In addition to the DS bracing, the 4147IB also features an Asymmetrical Bracing system first developed for the 4047DS. Asymmetrical Bracing incorporates both nickel silver and yellow brass alloys to create a less invasive bracing setup. Together, the bracing systemscombine to free both the F attachment and bell from the diminished resonance and responsiveness typical of modern day trombone bracing designs.
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