Posted by Close as I could get on March 04, 2002 at 23:59:03:
In Reply to: yamaha posted by James on March 04, 2002 at 22:08:37:
http://www.musichouse.com/Cat_Yamaha/MarchingBrass/specs/Specs-YBB105MWC.htm
The same case evidently fits both horns.