I have been "inventing" - I bet this has been done, but none-the-less it is an invention.
I play a little on low brass, a Bach USA marching baritone really - this was an impulse buy but it is proving to be more useful as time goes on, so I want to be able to easily double on it and my main instrument - the trumpet.
I took an old 12C (Blessing) and cut the shank off, and brazed a Denis Wick 5 French Horn mouthpiece - this is like a large trumpet mouthpiece, but exceptionally deep. I think the depth is what helps it keep some core in the sound - it is bright, but not horrible.
Step 1: Ruin 1 mouthpiece
Step 2: Check that they fit well. I actually drilled this out more such that the French Horn mouthpiece sat in just under 1/2" more for the sake of tuning. Play testing before brazing was a smart idea. Nearly didn't bother!
Step 3: Ruin 2 mouthpieces
Step 4: Give her a wee clean up and admire the sight of 2 ruined mouthpieces!
Step 5: Stick up a dodgey youtube video!
For neater results the brazing requires more heat than our small blowtorch can produce, so if there is a next time(s) I may invest in an oxyacetylene torch. What we have is an air-tight, strong seal, so I am happy with the result. There is a "bend" in the mouthpiece (more like an angle between the cup and shank of the piece, it was not bent, it just seated off axis when brazing). This actually feels very comfortable. I have half a mind (over-statement) to get one of my Trumpet pieces professionally bent, say to 5*. Maybe I will just drop it down (more) stairs... might work!
Anyway, I have the semi-hollow body carved-top completed (not oiled yet). Very favourable comments from Mr Mark McKnight. I have some video clips from Mark's play testing with the Linley Hamilton Quintet, but the audio is clipped - I will try to fix this and seek the appropriate creative permissions to share the video here.
My blessings,
Mike
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