Warburton Backbore 4* for Trumpe B-Stock
B-Stock, Warburton backbore nr.: 4* for trumpet, tight to medium (4-6). With progressively less resistance, these models produce a bright and very projecting tone. The STAR Series were designed to allow each of the STANDARD models to be more free blowing without the necessity of reaming to a larger bore size., B-Stock with full warranty, may have traces of use.
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