Brand New ACB Fabrication SERIES Short Shank Cornet Mouthpieces

Austin Custom Brass
$155.00 $87.99
(You save $67.01 )
(2 reviews)
2.00 LBS
5.00 (in)
5.00 (in)
5.00 (in)
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Introducing the Austin Custom Brass Fabrication Series Short Shank Cornet Mouthpieces

In stock!
After hearing from many clients, educators, students, and fans of ACB comments asking for a great introductory mouthpiece for folks on a budget I'm extremely proud to be able to announce the newest development in the Austin Custom Brass series of Mouthpieces, the ACB Fabrication series. This is in response to overwhelming positive support for the ACB FAB5 Mouthpiece. 
I now have four of these models available!
The only reason I can sell these at this price is the fact that I am ordering literally hundreds of them at a time. This way in no way is the quality compromised to "cut corners" and save money. These are still made here in the US with the best tolerances that you can buy!
I am offering a mouthpiece I've designed for the mass population out there.  Most of my line is totally customized for the clients.  This mouthpiece is going to be offered in silver plate, in the unique (only available in this piece) blank that optimizes resistance and projection to work wonderfully for the developing trumpeter.  Call the Mouthpiece Hotline with questions or to place an order! +1-781-816-9664
The mouthpiece has the following stock configuration components: 
Silver Plated
Unique  "ACB"  blank (mixing my ultra-light and Modern blanks) optimized for ideal response in conventional equipment

Specifications of the Fabrication Series Cornet Mouthpieces

FAB 1.5 
The ACB 1.5 is similar to my ACB 1 1/2C and matched to our cornet B cup. Great for horns  and players that have want more zip and front to their sound.
.668 diameter
"B" Cup (a nice rich solo cornet sound and ensemble piece for brass band performance)
The ACB 3 is modeled after the ever popular 3C rim. It's different than my 3C as it's actually a bit bigger than my stock ACB custom 3C rim. 
.656 diameter
"Hybrid TF" Cup (great for solo work and jazz)
FAB 5 
The ACB  5 is a unique piece and is a wonderful transition piece from the traditional  student "7C"  equivalent.  
.650 inner diameter 
"B" Cup (a nice rich solo cornet sound and ensemble piece for brass band performance)
FAB Lead
The ACB LEAD is modeled after an old custom Giardinelli piece that I got in a horn purchase years ago. I really loved the feel of the rim. It's also very easy to transition to for most "3C-type" players. 
.630 diameter
"D" Cup (shallow bowl which is great for piccolo and trad jazz)
Please note all ACB  Cornet mouthpieces are made to order for the client and require a 5-6 week build/plating time 

Digital renderings below:


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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  • 5
    Definitely FAB

    Posted by Mike on 22nd May 2022

    I bought the FAB3 with my Doubler's trigger cornet. I was chasing a mellow cornet sound, and in particular one that would work for British brass band or jazz. I think this MP covers both well. I marched with it 3 days after it arrived and it performed superbly. Very comfortable, good slotting. It's mellower than the stock mouthpiece which is also pretty good, but I've barely had the FAB3 out of the instrument - so I know it's my favorite.

  • 5
    Cornet Mouthpiece

    Posted by Rob D on 20th Aug 2019

    I got the FAB 3 to go with my doubler's cornet! Very comfortable. A bit deeper than my standard trumpet mouthpiece makes for a mellow tone. Fast shipping and great customer service too.