Posted by There are on February 25, 2004 at 16:58:12:
In Reply to: Re: Valve Guides for Yamaha euphs and bari's posted by bloke on February 25, 2004 at 16:28:42:
some newer design valve guides that are topped with a thin metal plate that extends out onto the guide bump as well, making it less susceptible to wear and deformation. Get these if they are available for euph...since using them on my tuba, I haven't had to replace the guides once.