Posted by Tom Newcomb on September 14, 2001 at 13:48:04:
I have a CC Miraphone (4 valve) circa 1968-1970 model. Good horn but I need a BBb and can't afford a new one. Does anyone know of a slide modification that I could have done that would change my horn into a BBb? French Horns can do it, why not Tubas?