- D3B - Since the early 1970s the tuba model 3 has found most favour among tuba players in the Viennese orchestral scene - Complete mouthpiece - Cup diameter: 30 mm - Cup depth: deep - Bore: Ø 8.5 mm - Its 30 mm width and universal rim shape allows both precise playing and ensures endurance - The best choice for young wind players - Recommended for Cimbasso - Silver plated EUR 161.00 - See more - Buy online