Description
“Signature Russell Gunn, designed to offer immediate response and comfortable playing, ideal for jazz and small ensembles.
The C-U cup provides a clear balance: enough depth to keep body in the sound while remaining reactive and easy to play — a model that allows long sessions without unnecessary fatigue.”
The real + : More comfort than a 1-1/2 C while remaining just as easy and flexible.
• Trumpet mouthpiece
• Diameter : 17,05mm
• Cup depth : C = Medium
• Cup shape : U
• From advanced to professional level
• Repertoire : Perfect for jazz and small formations, wherever mobility, precision, and a clean attack are required.
• Throat #25
Review
“After playing for quite some time with this mouthpiece, I find it very fluid and highly versatile in the ranges I play (concert band, jazz ensemble, brass ensemble).
I have much more tactile feedback than with my previous mouthpiece, and it’s very enjoyable.
It’s always a great pleasure to play your mouthpieces.”
Sébastien Lacaud
“After a well-guided trial with Dimitri, I chose a BeYourself in brass and a Gunn Fu in silver, both in massive versions, which I simply couldn’t choose between.
A few months after purchase, I find them perfectly complementary — they’ve replaced my Bach 1 1/2 C completely.
They’re very flexible, from the lowest register up beyond high C, and it’s easy to drop back below low C with great breath control.
The lip feel and placement are quite different, but both are easier than the Bach, giving a freedom of mind that lets you focus more on posture and breathing.
I have a slight preference for the Gunn Fu, though I’ll eventually find a specific use for each.
The large throat is a real advantage — it helps the air column vibrate more freely and makes the upper register easier.
Thanks to the massive version, centering improves noticeably from high G upward.
Highly recommended for jazz players and fans of the Bach 1 1/2 C.”
Roland
“Just left Grammy Nominated Trumpeter Russell Gunn picking up a custom-made mouthpiece for me by Dimitri Donat!
Amazing how you can tell a builder what you need and it fits like a glove.”
Madison
“Hello Dimitri,
Well stated, and I needed to hear that — this is once again a process that cannot be avoided.
Each day that I practice on this mouthpiece, it becomes more friendly.
I love the feel of it.
I will continue to work daily before requesting any adjustment of the backbore.
Thank you for your patience and your listening.”
Kimble
“Dimitri, thank you…
In the meantime, I will keep working and becoming acclimated to this wonderful mouthpiece.
Thank you for the opportunity to play on your product.
With respect,”
Kimble
“With too many options or not enough time, you can sometimes get lost,
but fortunately you are like a compass that will always show you the right way.
Only a written exchange, no conversation or meeting in person,
and yet you can advise precisely.
Therefore, great respect, admiration, and thanks for you.”
(Anonymous musician)
“The mouthpiece has arrived!!
Stunning and perfectly packaged, like a gift — great!”
Jean Bardy
“Thank you for everything you do for me — for your kindness, understanding, and time.
Thanks to your mouthpieces, you are with many people every day, bringing them moments of joy and pleasure,
and maybe even something more…
You are like a shadow that always accompanies you —
when I play on stage, during rehearsal, or anywhere — you are there.
The best.”
J. Sokal
“My GunnFu arrived today.
I would like to thank you again for your patience and kindness in helping me choose.
I’m very happy to be playing one of your mouthpieces.”
Eric / GunnFu
“I still enjoy playing the GunnFu on my trumpet just as much.”
Camille Demangeon / GunnFu
Blank / Plating
-Classic- blank
• Standard blank
• Total lenght : 87mm (standard blank)
• Total weight : about 95g
• Throat #25
-Massive- blank
• Total lenght : 80mm
• Short shank → Better pressure lips control → More endurance
• Total weight : about 110g
• Throat #23
-Light- blank
• Total lenght : 80mm
• Short shank → Better pressure lips control → More endurance
• Total weight : about 85g
• Throat #25
-Tulip- blank
• Total lenght : 80mm
• Short shank → Better pressure lips control → More endurance
• Total weight : about 115g
• Throat #25
-Heavy- blank
• Total lenght : 80mm
• Heavy blank → drakened the sound
• Total weight : about 175g
• Throat #23
Silver plating
A layer of silver is deposited on the brass.
Thanks to its good thermal conductivity, silver provides a smooth and comfortable feel on the lips.
We have chosen an exceptional plating with a thick layer of silver – 20 µm, ensuring very high quality and long-term durability.
Gold plating
A layer of pure 24-carat gold is deposited over the silver plating.
Thanks to its high thermal conductivity, gold provides a soft and warm sensation on the lips.
We have chosen an excellence plating in pure 24-carat gold, the only metal that does not oxidize over time.
Lead times
Manufacturing & Shipping Times
Home Trial Mouthpieces
Mouthpieces ordered through our Try at Home service are generally shipped within 1 to 7 business days, depending on model availability and workshop activity.
Purchasing a Mouthpiece
→ If the selected mouthpiece is marked “In Stock”, it will generally be shipped within 1 to 3 business days after your order.
→ If the selected mouthpiece is not marked “In Stock”, it will be specially manufactured for you in our workshop.
The average lead time between your order and shipment is 3 to 4 weeks.
This lead time allows us to devote the time and attention each mouthpiece deserves, ensuring the consistent level of quality we are committed to.
Our priority is not to manufacture faster, but to craft every mouthpiece with the same uncompromising level of care and precision.
Mouthpiece Customization
We also offer a wide range of customization options for your mouthpiece, including engraving, modifications to the throat, shank, rim contour, rim width, cup depth, cup shape, as well as other custom adaptations upon request.
Each customization is carried out individually in our workshop. The manufacturing lead time varies depending on the requested modifications and can be provided upon request.
Try at home
Try at Home
Test your future mouthpiece in your usual playing environment, with your own instrument and complete peace of mind.
A Unique Service Designed for Musicians
Atelier Donat is one of the few mouthpiece makers to offer a genuine Try at Home service.
This service was created to give you the opportunity to compare several mouthpieces in your real playing conditions before making your decision with confidence.
The trial fee mainly covers the round-trip shipping costs. Our goal is simply to make this service easy, accessible and affordable.
One Simple Flat Fee
The trial is offered as a flat-rate service, which is automatically applied to your shopping cart.
- France: €20 (round-trip shipping included)
- European Union: €25 (round-trip shipping included)
- Other countries: upon request
15-Day Trial
You have 15 days, starting from the day you receive your parcel, to try your mouthpieces in your usual playing conditions.
Additional Options
Customize your trial :
Your Benefits
Your trial automatically activates your 30-Day Donat Privilege Access.
You will benefit from:
- 5% discount on the entire catalog.
- Free shipping on new mouthpiece orders (excluding trial orders).
- Discounted prices if you decide to keep one or more trial mouthpieces.
- Personal guidance from Dimitri, helping you choose the mouthpiece that best matches your playing.
Keep Playing While You Wait
If you order a new mouthpiece, you may keep your trial mouthpieces until your new order has been delivered.
This allows you to maintain your playing routine and familiar feel before returning the trial mouthpieces using the prepaid return label included with your parcel.
