The 621 is a 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.
Features:
Monel pistons
Monel pistons are resistant to corrosion and are an ideal choice for professional baritone pistons which must retain precise fit and smooth action over many years.
Hand-lapped pistons
Hand-lapping is a time-consuming finishing process which results in superior valve fit for noiseless, responsive action and easy tone changes.
Hand-lapped slides
Hand-lapping achieves the perfect balance between airtightness and smooth action.
Specifications:
Finish: clear lacquer YBB621/ Silver-Plated YBB621S (Additional Cost)
Number of valves: 4 Pistons
Bell Size: 366mm (14-3/8")
Bore Size: 17.5mm-18.5mm (.689-.728")
Body: Yellow Brass
Key: Bb
Mouthpiece: 67C4