- 13 Series for Boehm clarinet - Profile 88 - Black Ebonite - 119.5 mm tip opening (1/100 mm) - Medium-long facing length - With thinner mouthpiece tip and modified facet - American diapason (pitch): 440 Hz - Designed for soft reeds - Can also be used with stronger reeds without sacrificing the sound quality - Centred, tight sound EUR 114.00 - See more - Buy online