Professional Series, Key: C, Material: Yellow brass, Front action valves: 4 pistons, Bell: 366mm (14-3/8″), Bore: 17.5-18.5mm (0.689-0.728″), Finish: Clear lacquer




The 621 is ideal for soloists and those who need an optimum of control and tonal clarity. The response is quick and secure, and the intonation extremely accurate. And the warm, rich sound has a focused tone center for superior projection.


Body Finish Clear lacquer

Control Interface

Valve Number of Valves Front 4 pistons

Design/Architecture Detail

Bell Bell Size 366mm (14-3/8")
Bore Bore Size 17.5-18.5mm (0.689-0.728")


Body Yellow brass


Included Accessories Mouthpiece 67C4


Key C