Detail 01
Medium shank
A fit spec, not a sound spec. It matches pre-1974 B&H and Willson receivers. Everything else is the wrong taper.
Product detailSKU #1274228081107
Denis WickDW4880E Classic Series Euphonium Mouthpiece in Gold 4AM
Independent shopping perspective
The Korena take
Medium-shank euphonium mouthpiece, 26mm cup with a barrel backbore. Built to fit pre-1974 B&H and Willson horns — confirm your receiver before ordering.
Strong match
Who this is for
- Pre-1974 B&H or Willson euphoniums with medium-shank receivers
- Players who want a focused, solid low register
- Concert band chairs after an open, traditional euphonium sound
Consider the trade-offs
When to look elsewhere
- USA or Japanese instruments — those need the large-shank 4AY
- Players wanting a brighter top end; the 6BM is smaller
- Trombonists — the trombone-shank equivalent is the 4AL
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
26mm cup diameter
Large for euphonium. More lip inside the cup means fuller low notes, but it asks more of your endurance.
Detail 03
6.72mm rim width
Wide rim. Spreads pressure across the lip, which helps through long rehearsals but costs some flexibility.
Detail 04
7.38mm throat
Open throat. Moves plenty of air for volume and low-register body, and needs real breath support to stay centered.
Detail 05
Barrel backbore
Denis Wick uses this shape on their fuller, darker models. Expect body and warmth rather than edge.
Detail 06
Gold finish
Smoother and warmer on the lip than silver. Mainly a comfort choice, and useful if silver irritates your skin.
Final check
Know before you order
- 01Confirm shank and instrument era — pre-1974 B&H and Willson only
- 02USA and Japanese horns take the 4AY, same cup, large shank
- 03Allow two weeks of playing before deciding a bigger cup suits you
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will this fit my Yamaha or Besson euphonium?
Not if it's a USA or Japanese instrument — those take the large-shank 4AY, which has the same 26mm cup and rim. The 4AM is for pre-1974 B&H and Willson receivers.
02What's the difference between the 4AM and 4AY?
Cup diameter, rim width and throat are identical. The 4AM is medium shank with a barrel backbore; the 4AY is USA large shank with a medium backbore. Pick by receiver.
03Should I get the 4AM or the 6BM?
The 4AM has a 26mm cup, open sound and focused lows. The 6BM is smaller at 25.40mm with a medium backbore and a clearer high register — easier on endurance up top.
04Can I use this on a trombone?
No. The medium shank won't seat in a trombone receiver. Denis Wick's 4AL is the large-shank version of this cup, described as a euphonium model that also suits powerful trombonists.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Gold
4 detailsOther
- 4am
- Medium shank; 26mm cup diameter; 6.72mm rim width; 7.38mm throat; Barrel backbore. Designed to fit Pre-1974 B&H and Willson instruments. Classic euphonium mouthpiece for an open sound with clear attacks and focused low register.
- 6bm
- Medium shank; 25.40mm cup diameter; 6.26mm rim width; 7.12mm throat; Medium backbore. Designed to fit Pre-1974 B&H and Willson instruments. True euphonium sound with clear high register and clean tone.
- 4ay
- USA large shank; 26mm cup diameter; 6.72mm rim width; 7.38mm throat; Medium backbore. Designed for USA or Japanese instruments. Classic design as the 4AM version; Focused low register with open sound.
- 6by
- USA large shank; 25.40mm cup diameter; 6.26mm rim width; 7.12mm throat; Medium backbore. Nice tone with good high register.
