Best Brass HR-3D mouthpiece for horn, cup diameter O 17,80mm, cup depth: mildly shallow, O 4,00mm throat, gold plated, similar yamaha 32B (larger)

Best Brass HR-5D mouthpiece for horn, cup diameter O 17,50mm, cup depth: mildly shallow, O 4,00mm throat, gold plated, produces speedy and brilliant european sound, similar alex. 8

Best Brass HR-5B mouthpiece for horn, cup diameter O 17,50mm, cup depth: mildly deep, O 4,70mm throat, gold plated, produces velvet and encompassing American sound, similar giardi. G17 (larger)

Best Brass HR-7B mouthpiece for horn, cup diameter O 17,20mm, cup depth: mildly deep, O 4,70mm throat, gold plated, similar Giardi G17 (smaller)