Detail 01
USA large shank
Fits the wider receiver used on American and Japanese euphoniums. It will not seat properly in a medium-shank receiver.
Product detailSKU #1274228080984
Denis WickDW4880E Classic Series Euphonium Mouthpiece in Gold 4AY
Independent shopping perspective
The Korena take
Large-shank gold-plated euphonium mouthpiece with a wide 26mm cup. For players on USA or Japanese horns who want a full, open low register.
Strong match
Who this is for
- Players on USA or Japanese euphoniums with a large-shank receiver
- Parts that sit low and need weight below the staff
- Anyone whose current mouthpiece thins out in the bottom register
Consider the trade-offs
When to look elsewhere
- Pre-1974 Boosey & Hawkes or Willson horns, which take medium shank
- Players wanting a smaller cup and easier high register
- Baritone horn, which is sized for a narrower mouthpiece
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
Wide across the rim, so more lip vibrates. Bigger sound and stronger low notes, at some cost to endurance up high.
Detail 03
6.72mm rim width
Broad rim spreads mouthpiece pressure over more lip. Helps stamina on long parts; feels less pinpoint on fast articulation.
Detail 04
7.38mm throat
Wider than the 6-series 7.12mm throat. More air passes through, so the sound opens up and demands steadier support.
Detail 05
Medium backbore
Middle-ground resistance. The 4AM version of this cup uses a barrel backbore and blows more open; medium centers pitch more easily.
Detail 06
Gold plating
Sits outside the cup, so playing dimensions are unchanged. Feels smoother and warmer on the lip than silver and resists tarnish.
Final check
Know before you order
- 01Measure your receiver first; large shank and medium shank are not interchangeable
- 02Cup, rim and throat match the 4AM. Only shank and backbore differ
- 03Give it two weeks before judging; your embouchure adapts to the wider rim
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will this fit my Yamaha euphonium?
It is cut as a USA large shank, the receiver used on American and Japanese euphoniums. Check your receiver if the horn has been modified or fitted with an aftermarket leadpipe.
02What is the difference between the 4AY and the 4AM?
Same cup, rim and throat. The 4AM is medium shank with a barrel backbore for pre-1974 Boosey & Hawkes and Willson horns. The 4AY is large shank with a medium backbore.
03Will a 26mm cup make my high register harder?
A wider cup gives more room for volume and low notes but asks more of the embouchure up top. If you are already at your limit above the staff, size down.
04Is the gold plating worth it?
Plating is on the surface only, so it changes feel and wear, not how the mouthpiece plays. Gold runs smoother on the lip and holds up against tarnish.
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.
