Posted by Aeyud on December 16, 1999 at 19:04:00:
In Reply to: HIRSBRUNNER MOUTHPIECES posted by HB-2P on December 16, 1999 at 11:22:52:
I own a 1979 Model HB2. I started out with a PT50 then I moved to a PT83. I heard that the PT83 was a better all-around mouthpiece and complimented the rotary valve horns better. I recently went back to the PT50 because I was unhappy with the results I was getting with the PT83.