- The priority of the Omega series is to maintain a rich, full sound in all registers, shining especially in the upper registers with easy and particularly clear articulation at all dynamic levels - The Omega 5 is well suited for high register and for solos - Cup diameter: 25.50 mm (1.004") - Throat: 6.71 mm (0.264") - Large trombone shank - Silver-plated EUR 235.00 - See more - Buy online