Posted by Jim on November 15, 2003 at 14:12:48:
In Reply to: Re: PT-4 CC tuba for sale posted by Winton on November 15, 2003 at 04:23:09:
I think they only stopped making the piston PT4. I was told that the PT4 rotor was so popular that they decided to continue to offer it as well as the PT 20. I used to own a PT4R and it was a really nice horn.