"Perantucci Mouthpieces offer many different models, each designed for a specific purpose. No need to compromise. Choose the Perantucci mouthpiece which best serve your individual needs.INNOVATIONPerantucci means technical leadership. Every model advances the art, sets new standards for others to reach.COMPATIBILITYThe various models are based on the same philosophy of sound, response, balance and tonal presence.MATERIALS AND FINISHOnly the highest quality copper-based alloys and silver are good enough for Perantucci mouthpieces. Care in engineering and fully polished cups assure superb resonance, perfect response and finest tone quality.BBb and CC-Tuba Models:PT-36Cup Diameter : 33 mm diameter. Moderate depth and funnel shaped.Rim : Width 7.5 mm. Medium sharp inner, rounded outer edge.Bore : 8.3 mmModel PT-36 is ideal for large-bore instruments where fast response is desired. The relatively narrow rim provides remarkable flexibility and the cup has adequate depth necessary for good tone.PT-44Cup Diameter : 33 mm diameter. Medium-large depth, funnel- shaped.Rim : Width 7.5 mm. Rounded inner and sharp outer edges.Bore : 8.4 mmModel PT-44 provides a strong fundamental and colorful sound. It gives good projection to larger instruments. The fine response and flexibility makes this an excellent mouthpiece for the modern CC tuba player.PT-48Cup Diameter : 33.0 mm diameter. Deep, funnel-shaped cup.Rim : Width 8 mm. Rounded inner and outer edges.Bore : 8.3 mmModel PT-48 is based on the classic Helleberg concept yet slightly wider than standard mouthpieces. The rim is enhanced for quick response and clarity. The sound is dark with a pronounced core. Excellent for medium-large and large-bore CC and BBb tubas. M"