Posted by Jim Williams on February 23, 2004 at 10:44:29:
Friends...I was mouthpiece shopping on the web & came across this description of the Yamaha 54:
Lager inner rim diameter and cup than the 52. Suitable for lager orchestras.
Go here if you don't believe me...sounds too good to be true:
http://www.yamaha.co.jp/english/product/winds/product/spec/other/mp_spec/gsmouth2/p_main.htm#trombone_l
J. Lagerlout Williams