Posted by Moises M. Carrasco on January 18, 1999 at 22:55:00:
In Reply to: Eb to Bb Helicon posted by Rus G. on January 18, 1999 at 20:34:56:
It is perhaps possible to do this, but consider that you must also lengthen the slide tubes off the pistons as well! Also, a going to Bb will result in a very small bore - which is ok but don't expect a "bigger" sound. Converting to "CC" may be more practical.