Posted by Ivan on February 03, 2001 at 21:14:44:
In Reply to: Piston valve problems posted by Bill Jagnow on February 03, 2001 at 20:39:37:
Did you wash the horn? A lot of time new tubas have stuff in them from the factory. Polish dust, scrap bit of brass, and maybe even burrs on valves and valve casings. I would wash the horn, and see if they work better.