| 8-1/2in bell;
.500 bore
King also made marching baritones, model 1124 and 1127 have a .500 bore like the marching trombone, but with a more conical bore, large throated bell and leadpipe design.
King also made a Model 1129 marching euphonium with a .562 bore, and an 11 inch bell and a large shank mouthpiece receiver.
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