The harmony series of the DMC mouthpiece collection is a standard Contra Bass Clarinet mouthpiece with the following characteristics:

• trapezoidal throat (see pictures)
•  medium chamber
• tip openings
  • 2.2 (M)
  • 2.4 (L)
  • 2.6 (XL)
  • 2.8 (2XL)
  • 3.0 (3XL)
• facing lengths
  • 28 (M & L)
  • 29 (XL)
  • 30 (2XL and 3XL) 
• Wide table and narrow window
  • this makes the mouthpiece suitable for original contra bass reeds and bariton saxophone reeds
• steep table of 5.5 degrees
  • this results in more projection but also in a more concave barrel
• a short and low baffle

These are the standard mouthpieces intended for classical music and offered as a digital STL file that you can print on a 3D printer (see the printer guide). 
We also offer physical mouthpieces for contra bass that we printed for you. We offer a lot of different mouthpieces for contra bass clarinet (the models Legend., Session and Accent). See the phyical mouthpiece section.

You can also demand special designs or design you own. Contact us or try our mouthpiece designer.