Alternate Horn Mouthpiece Shapes

This diagram reperesents three stock shapes for Osmun horn mouthpieces. The shaded area is our standard blank. Then green lines show our #2 blank. It adds about twenty percent more mass to the standard blank and has a little more core and stability at the expense (we think) of tone color.  The red lines outline our heavy blank, which is fifty percent heavier that the standard one.  It is extremely stable and focused but the extra weight makes it more fatiguing to play, especially in the upper register. The heavy blank can also be supplied with ribs, which lessens the weight and increases the surface area.

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About Bob Osmun

We run a small music shop specializing in brass instruments, especially horns. We sell Engelbert Schmid, Finke, Hoyer and Alexander horns and have a world famous repair shop staffed by three of the best technicians in the trade. We regularly perform valve rebuilds, screw bell conversions and manufacture our own line of trumpet and horn mouthpieces. Jim Becker, our trumpet specialist builds custom trumpets and does all sorts of trumpet modifications.

1 thought on “Alternate Horn Mouthpiece Shapes

  1. Bob,
    Just a word on why adding ribs to a mouthpiece might make a great deal of difference. I have two CF Schmidt horns of roughly the same vintage, one is very free blowing, the other (you know the horn) isn’t. I also have 2 versions of the same model mouthpiece, whereby the inner contours are the same, but one is just the “heavy” blank and the other has the ribs that you cut for me. On the free blowing horn, the heavy blank works really well and the ribbed form isn’t very good at all. On the unfocussed horn, it’s completely the opposite situation: the heavy blank almost seems like just so much dead weight and the horn doesn’t project, but the ribbed form actually makes this horn very playable (and it’s the only mouthpiece in my collection that does anything for that horn). And the fact that sacrificing some mass for a couple of ribs to get extraordinary results is pretty fascinating, wouldn’t you agree?


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