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Thread: Alto horn mouthpiece

  1. #1

    Alto horn mouthpiece

    I made a great decision the other day, I purchased a circa 1930 Conn alto horn. It was just sitting on the wall wanting to come home.

    I got a mouthpiece with it, but it is not an alto horn / tenor horn mouthpiece.

    My understanding is that this horn has a conn #3 bore, which is 0.5 inches.

    Does anyone know which modern alto horn or tenor horn mouthpieces will best fit it (in terms of shank size)?

    The main ones seem to be:
    Dennis Wick heritage
    Dennis Wick classic series

    The yamaha 301 has a smaller bore than this instrument was advertised as having.

    I have also seen a post saying that a Bach mouthpiece was too large for an old Conn horn.

    The mouthpiece that I currently have is a patrick hybrid trumpet. It is great for the high notes, but its rim is really much too small.

    Any other impressions of these mouthpieces would be helpful, as they are not in stock locally, so I would have to order one.

  2. I will look in my mouthpiece collection and also measure my alto horns. If you have access to way of accurately measuring the inside diameter of the mouthpiece receiver, please do so and post it. (Any instrument repair shop or machinist should have a set of calipers to measure this if you do not.)

    Although they do not list an alto horn, this listing of receiver sizes on the Kelly mouthpiece website should give you an idea of what size your alto has if you have a variety of mouthpieces for other instruments to compare. In other words, which other mouthpieces go in too far or too little?
    Last edited by Will; 10-22-2019 at 11:06 AM. Reason: typo
    Weril H980 euph
    Besson 4v comp euph 314xxx
    Besson 3v comp euph 455xxx
    King 3v bari. 20xxx
    King 4v double-bell euph 50xxx
    Conn 5v double-bell euph 355xxx
    Buescher 3+1 double-bell euph 285xxx
    Olds bell-front 3v bari
    Holton alto horn
    Holton 3v tuba
    Belleville Helicon
    Some of the performances of the Mid-Shore Community Band:

  3. #3
    The bore of the instrument doesn't really have a direct correlation to the size of the receiver. If a trumpet mouthpiece fits, this is usually almost exactly the same size as an alto horn / tenor horn mouthpiece stem - so a modern alto/tenor horn mouthpiece will fit.

    I'd suggest that the DW Heritage is probably the best bet for an antique instrument like that. Antique instruments work best with antique mouthpieces, and they tend to work better with mouthpieces that are on the smaller side. The Heritage series has some facets in common with antique mouthpieces. I'd say to try a DW Heritage 3 or 4.

  4. #4
    Join Date
    Mar 2006
    Hidden Valley, AZ
    You might search for mellophone MP's as well.

    1966 Besson 181 highly modified New Standard
    1918 Hawkes & Son euph 3&1 original
    1915 York Bb tenorhorn original

  5. I just re-habbed an older Yamaha YAH-201 student model alto horn belonging to the New England Brass Band. I purchased a DW 2 tenor horn mouthpiece that fits the leadpipe/receiver just fine.

    Sterling Virtuoso 1065HGS & Adams E3 Prototype 0.70 Top Sprung valves
    Sterling Virtuoso 1050HGS baritone
    New England Brass Band
    Winchendon Winds/Townsend Military Band

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