Posted by Ike H. on June 21, 2003 at 11:06:54:
In Reply to: PT-xx mpc -- old vs. new #'s ?? posted by Steve Inman on June 20, 2003 at 22:15:37:
I once owned a TU-31 and a C6 at the same time and the C6 had a noticably more open backbore. I wonder how many differences happened between some of the other models.