ACB KA Series Backbores - The Commercial Sound You've Been Waiting For
Having the right backbore is a huge component of finding your perfect mouthpiece, especially in high pressure lead trumpet/commercial settings. Our KA Series backbores are designed to help you customize the sound and feel of your mouthpiece when matched with your favorite high-compression mouthpiece top. If you want help choosing a backbore for your particular playing needs, please call our Mouthpiece Hotline at (781) 816-9664 and we'll be happy to assist you!
Here are some general descriptions of the KA Series backbores:
- KA1: opens up ok, but stays tight through almost to the end.
- KA2: opens up much more quickly after the throat.
- KA3: opens up like KA1, but then opens up again like the KA2 at the end. It has for me, the most compression of the three backbores making it feel about one throat size smaller overall.
If you have additional questions, please send us an email!
Prior to ordering please check our Shipping and Returns policy.
Also note weight indicated in the ad is shipping weight not actual weight of the item.
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