These mouthpieces are exact copies of the famous American originals.
State of the art production methods guarantee consistent high quality.
With ascending numbers the cup depth gets flatter, and the cup diameter smaller.
Generally speaking, the larger the muthpiece, the more demanding for the player.
All mouthpieces are made of brass, with 15 microns of silver plating.
The gold plated versions have 15 microns of silver plating and 3 microns of gold plating.