Jo Ral TRB-B7 Bass Trombone Adjustable Cup Mute - 2024 report by Whydis
Jo Ral TRB-B7 Bass Trombone Adjustable Cup Mute
For bell diameters of 8 1/2" plus. A neoprene rubber rim eliminates vibrations and will never loosen or drop off. It is easily installed by moving the cup up to the desired length for a tight fit. The corks may be reshaped for optimal acoustical plac...