Posted by Gus Pratt on January 04, 2001 at 05:06:09:
In Reply to: valve bass trombones posted by Arnie R. on January 03, 2001 at 20:51:57:
At one time I think Mirafone had a 4 valve Bb bass bone. Your cost on a specialty horn like that would be fairly expensive. Your best bet would be to have the valve section made. The bore of most bass bones is about .562, which is also about the bore of most american baritone horns, so you could use the valve cluster off an american baritone. Most of the tubing is straight and cylindrical so construction shouldn' be too difficult. Then all that's left is a mouthpiece receiver and the joint where it connects to bell. Then you can attach this valve section to a standard bass trombone bell section. If you find a repair shop with lots of scraps lying around you might get by fairly cheap, in comparison to what a Miraphone or