Austin Custom Brass Flugelhorn Mouthpieces

(38 reviews) Write a Review
1.00 LBS
$7.00 (Fixed Shipping Cost)
"Got one of each depth (standard and MDF). The MDF is rich and mellow. The F is great for big band playing. I liked them so much I kept both!" -Carroll
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Austin Custom Brass Flugelhorn Mouthpieces

I struggled for a LONG time trying to find a flugelhorn mouthpiece that would do what I wanted it to do, while sounding how I wanted it to sound. That's why ACB now offers a line of flugelhorn mouthpieces designed to the highest possible quality standards. Our ACB Flugelhorn mouthpieces come in three different cup depths, many rim sizes, two shank tapers, and several finishes. Check out the videos below to hear all three depths!

Check out the rims and comparisons here!


FD: Our deepest flugelhorn mouthpiece, designed to give a "horn-like" darkness to your sound. Other extra-deep flugel pieces I've played have been very challenging to keep in tune and also play any notes above the staff. Our FD cup is VERY deep and will most likely require a stronger player to utilize the full capabilities of this piece.

MDF: A general "all-purpose" flugel mouthpiece that is dark enough, yet still easy to project and cut above the staff for when I've had to play first parts on flugel. Our MDF cup is by far the most popular cup depth we sell.

F: This mouthpiece has our shallow cup depth, which works great for occasional flugel doublers, or players who need to play more aggressive flugel parts.


We have a broad range of rim options available! We can easily blend any cup depth with any one of our stock rims, or put them on a custom rim if needed. You can view a list of our rim options with inner and outer diameters here. You can also call our Mouthpiece Hotline for advice on choosing the right flugelhorn mouthpiece for you: (816) 410-0826 x700.


Our flugelhorn mouthpieces come in two different shank tapers to fit most flugelhorns. Please indicate what flugelhorn brand and model you play so we can best match the shank for you instrument! Choose the large shank for Adams flugels and our ACB Doubler's Flugelhorn. Please call us if you need a different shank taper.

Call the Mouthpiece Hotline with questions or to place an order! + 816-410-0826 x700

Here's a clip featuring the ACB 1.5C MDF flugelhorn mouthpiece on a few Adams flugelhorns:

Here's a demo video with our TA2F and TA2FD:

Allow 7-9 weeks for the custom builds and plating time.

Please note there are no returns on custom orders. Gold plating is considered a custom order.


If you have additional questions 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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38 Reviews

  • 5
    Flugelhorn Mouthpiece 1.25 CSMDF

    Posted by Jim Lustig on 25th Sep 2020

    Very comfortable.Easy to play in tune. Gives my Conn Vintage One a dark smoky fluid sound. Very full rich sound.

  • 5
    awesome as always

    Posted by J on 13th Sep 2020

    Great mouthpiece especially for ensemble work (got to try it in an outdoor rehearsal last week and it worked great!) As always Team ACB is the best to deal with!

  • 5
    2019 ACB Doubler's Dual Trigger Large Bore Shepherd's Crook Cornet in Satin Lacquer

    Posted by Garry Alan Wolfe on 14th Aug 2020

    My wife loves it. Very nice sound. Fits well with my Yamaha 631.

  • 5
    great mouthpiece

    Posted by James D Taverna on 24th Jul 2020

    mouthpiece feels good and eases the transition between trumpet and flugel mid-set

  • 5
    MV3C Flugelhorn horn mouthpiece

    Posted by Fred on 8th Nov 2019

    My (Packard) flugelhorn really likes this mouthpiece. It helped dial in the horn’s overall intonation and really sweetened the sound. For my money, Trent’s line of mouthpieces have given me both the sound and comfort I was after. I play on the same size / model on my trumpet so there’s no adjusting when switching horns.

  • 5

    Posted by Bob Miller on 4th May 2019

    I went from a Monette FLG2 Prana Resonance to a Bob Reeves 43FE. Both were solid mouthpieces, but weren't for me. The 1.25CMDF seems to work nicely with my vintage Couesnon, and lets me have the same rim size on all of my horns. Great mouthpiece!

  • 5
    Flugelhorn Mouthpiece

    Posted by Pascal Stellato on 20th Apr 2019

    Trent and Co threw in this custom MP because the ACB Doubler was delayed ! Really like it it sounds and feels great no complaints thanks

  • 5
    Flugelhorn Mouthpiece - Lead 1.25 MDF

    Posted by James Eldreth on 8th Apr 2019

    I absolutely love the ACB Lead 1.25 MDF! It plays wonderfully in every register! It has replaced my Yamaha Japan Bobby Shew as my go-to on flugel. The two are very similar, but the ACB has a softer feel on my chops, making it more comfortable to play. Perhaps it is because I'm now also playing an ACB flugel, but the upper register notes slot better with the ACB piece than the Yamaha.

  • 5

    Posted by Karen McCarthy on 24th Mar 2019

    So I decided I had to go with a mouthpeice upgrade for my Doubler. I'm so happy I did. This is my first ACB mouthpeice and I am hooked. The feel is so comfortable and the sound much warmer than the stock MP that came with the horn. I've never been one to switch up mouthpieces but due to the expertise and knowledge of the folks making these, I may need to try one of their lead mouthpieces.

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