Posted by 621 owner on October 05, 2001 at 22:50:12:
In Reply to: Which MP for YFB-621? posted by MG on October 05, 2001 at 16:55:00:
If you can, try the JK mouthpieces. I tried many at Dillon's and found that the 5E was the best match for me with my 621. I also have a Bobo Solo, and I think it is a great mouthpiece for that horn.....