Posted by RC on November 16, 2002 at 18:06:30:
In Reply to: Re: PT-20--vs--Rudy 455 posted by CDRom on November 16, 2002 at 16:49:34:
I have the rotary version of the horn.  I'm not such a big fan of piston horns, but have nothing against them, just prefer rotary action.  I can't give a detailed enough anaysis of the rotary vs. piston PT-20 to be of any help.