The YEP-321S is an excellent choice for pro doublers or serious amateurs. The 321S features a strong warm tone, and is easy to play, with accurate intonation.
Intermediate Series, Key: Bb, Material: Yellow brass, Valve: 4 top action, Bell: 280mm (11"), Bore: 14.5-15.5mm (0.571-0.610"), Finish: Silver-plated