this is a modern Meyer 6 100th, now I use a 7 opening, but Yamaha is too bright a saxophone, now I like Sr pro tech and I think to try Sr titan instead of Meyer mouthpiece for alto saxophone.
I want to share my thoughts. The ligature that comes with the kit makes the sound pleasant and romantic, it's really interesting, but it's weak and I'm afraid it will fall apart, so far I haven't found a replacement for the ligature.