Posted by Dan Schultz on November 19, 2003 at 08:38:17:
In Reply to: Re: Re: Old Conn e-flat tuba posted by JCC on November 19, 2003 at 07:16:28:
I was going to question your measurment. My literature indicates that 1.048" is the standard diameter of a Conn piston. If the ports align properly, you can always have the piston built up honed to size. It sounds to me like maybe this has already been done. It's really hard to tell much without seeing the horn. I have some old Conn pistons but then again without know exactly what you have it's very difficult to be of much help. The wrong piston certainly could cause some intonation problems. On the other hand, some of the old Conns weren't famous for their intonation when they were new.