Prof. W. Hilgers WH 9 Tuba, Tuba Mouthpiece, Cup: Ø 33.0 mm, Very deep, funnel-shaped cup, Rim: 7.5 mm, Flat with sharp inner edge, Bore: 8.3 mm, Open shaft bore, The largest Perantucci mouthpiece with funnel-shaped cup, Large, weighted sound,...
