Best Brass HR-7D mouthpiece for horn, cup diameter O 17,20mm, cup depth: mildly shallow, O 4,00mm throat, gold plated, produces powerful and tonal core sound, similar bach 11 (shallower)

Best Brass HR-7C mouthpiece for horn, cup diameter O 17,20mm, cup depth: medium, O 4,50mm throat, gold plated, produces rich harmony, similar bach 11

Best Brass HR-5C mouthpiece for horn, cup diameter O 17,50mm, cup depth: medium, O 4,50mm throat, gold plated, produces rich harmony, this model has velvety blow-feeling and a great balance of resonance, similar bach...