Detail 01
Tuba/sousaphone shank
One taper covers both instruments, so a marching sousaphone and a concert tuba can share it.
Product detailSKU #1274115059575
BachTuba/Sousaphone Mouthpiece 12
Independent shopping perspective
The Korena take
Bach's size 12 mouthpiece for tuba and sousaphone. A standard replacement or step-up piece for players on a school or first horn.
Strong match
Who this is for
- Replacing a lost or dented stock school tuba mouthpiece
- Sousaphone players who want one piece for both horns
- Students moving off an unbranded starter mouthpiece
Consider the trade-offs
When to look elsewhere
- Euphonium or baritone players — the shank will not fit
- Players already committed to a specific custom cup and rim
- Anyone needing a bass trombone or trombone piece
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Bach size 12
In Bach's brass numbering, lower numbers run larger. This sits toward the bigger end of their range.
Detail 03
Larger cup
More air moved for a fuller low register, at the cost of more endurance demand on the chops.
Detail 04
Bach standard line
Not the heavier Mega Tone blank — normal wall thickness and standard weight in the hand.
Detail 05
$109
Mid-priced for a tuba mouthpiece. Above generic replacements, below custom and boutique pieces.
Final check
Know before you order
- 01Mouthpiece only. No pouch, brush, or case is included.
- 02Check whether your tuba takes a standard shank before ordering.
- 03A cup change alters response — allow a few weeks to adjust.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will this fit my sousaphone?
Yes. It is made for both tuba and sousaphone, so the same piece moves between a concert tuba and a marching sousaphone.
02Is size 12 good for a beginner?
It works, but it is a larger cup. Younger students with limited air may find a smaller cup easier to control at first.
03Does it fit a euphonium or baritone?
No. Those take a smaller shank. This is a tuba and sousaphone piece only.
04How do I clean it?
Warm water and a mouthpiece brush. Avoid harsh chemicals and abrasive pads so the finish and rim stay smooth.
