Model of a York Band Instrument Co. model 62 "Al-Tru" tenor trombone-shank bugle, alto/tenor horn mouthpiece, intended to be very close to the original design.
The cup profile is similar to the Yamaha 37C4 or Satoh Shoji TMP-AH, with a tenor trombone shank instead of the trumpet shank often seen for alto/tenor horn mouthpieces. It's not as extreme as some alto/tenor horn mouthpieces, such as the 2010s KHS-Jupiter model.
This was an unusual find, purchased explicitly for use with the Amati-Kraslice ABG-221 cavalry-style bugle, pitched in F. This bugle is coincidentally the inspiration model for the "Ceremonial Bugle".
Note that the ABG-221 receiver opening has a diameter measuring 12.07~12.11mm / 0.476~0.477" (shank fit & caliper measurements in photos).
The York 62 gives the Amati bugle a rounder, darker tone akin to flugelhorn (as opposed to the brighter "hunting horn" sound with the stock A54 mouthpiece, or the much brighter A51 natural trumpet mouthpiece). The Amati ABG-221 does not have perfect intonation, but the York 62 slots relatively solidly for "Taps". However, for a trumpet player, it is rather difficult to clearly articulate fast bugle calls on the ABG-221 with the York 62.
The cup and shank combination might also be useful as a transition piece for doubling on trombone. Al Cass, Chasons, Lausmann, and others have made these sorts of mouthpieces to assist brass musicians crossing over to/from trumpet and trombone. In this way, the York 62 could perhaps help trumpet, mellophone, French horn, or alto/tenor horn players to double on trombone or small-shank euphonium.
If you haven't encountered the "Ceremonial Bugle" before, it is a bugle-shaped metal device, with an electronic speaker insert used to simulate bugle calls, mainly "Taps" at military funerals. When the speaker insert is removed, they can be played normally, but they come with a shallow-cup, ill-fitting mouthpiece. This setup usually does not sound good.
For appearance's sake, small-shank tenor trombone mouthpieces can be used as a visual replacement, but this York design should be proportionally more appropriate. While the "Ceremonial Bugle" is not assembled to the level of quality expected from Conn, King, or Amati-Kraslice, this deeper-cup York 62 should produce a mellower sound as it does with the Amati bugle.
Warning: any "Ceremonial Bugle" played live (without the speaker insert) should have its joints and tuning slide checked for leaks, as it is not expected to be constructed with the standards of a normal brass instrument. I write this from experience with these objects, especially compared to the rather nice natural trumpets, signal horns, and bugles produced by Amati-Kraslice in Czechia.
The York 62 shank opening outer diameter of 0.4357" / 11.067mm is larger than the 0.4220" VennCAD default standard for small-shank, tenor trombone mouthpieces.
No dimensions have been adjusted or modified for printing or cutting. This model is intended for experimentation, with the price intended to defray scanning costs.
Untested & intended for experimentation - overall length 59.51 mm / 2.343", and [greatest] outer diameter of 28.13 mm / 1.107".
Note that the shank opening is thin and fragile with resin prints.
As before, note that the shank opening outer diameter of 0.4357" / 11.067mm is larger than the 0.4220" VennCAD default standard for small-shank, tenor trombone mouthpieces. The Amati-Kraslice ABG-221 receiver opening has a diameter measuring 12.07~12.11mm / 0.476~0.477" (caliper measurements in photos).
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