Originally Posted by
aroberts781
[snip] Faxx small shank 6 1/2 AL, which would be a similar diameter to the Yamaha 48 but probably a little deeper cup. [snip]
The Bach 6.5AL and similar models (Faxx and others) work very well on the Yamaha 321.
Dean L. Surkin
Mack Brass MACK-EU1150S, BB1 mouthpiece
Bach 36B trombone; Bach 6.5AL and Faxx 7C mouthpieces (pBone on loan to granddaughter)
Steinway 1902 Model A, restored by AC Pianocraft in 1988; Kawai MP8, Yamaha KX-76
See my avatar: Jazz (the black cockapoo; RIP) and Delilah (the cavapoo) keep me company while practicing