Detail 01
52E2, 25.91mm / 1.020 inch cup diameter
Slightly wider than a 51 or 52. More lip in the cup gives a broader sound but asks more of your endurance.

Independent shopping perspective
Gold-plated large-shank trombone mouthpiece, model 52E2. A deep symphonic cup for strong players on large-bore tenor, and for euphonium players wanting more volume.

Strong match
Consider the trade-offs
What matters in use
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 01
Slightly wider than a 51 or 52. More lip in the cup gives a broader sound but asks more of your endurance.
Detail 02
The deepest cup in this series. Darker and rounder than a C or D, with more low-register body, at the cost of easy high notes.
Detail 03
Narrower and rounder than the semi-flat 4. It frees up flexibility and slurs but concentrates pressure on the lip.
Detail 04
A large throat that lets more air through. Less resistance, bigger sound, and it needs steady air to stay centered.
Detail 05
Fits large-bore tenor and bass trombone receivers only. A small-bore horn needs a small-shank piece or an adapter.
Detail 06
Slicker and warmer on the lip than silver, and it doesn't trigger nickel or silver skin reactions.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Only if your horn has a large-shank receiver, typical of large-bore tenor and bass trombones. Small and medium-bore tenors use a small shank and won't take it.
Yes. Schilke lists the 52E2 as a good euphonium choice for players who want more cup volume than the 52D, assuming a large-shank receiver.
Same family, more depth. The 52E2 has an extremely deep E cup and a narrower, rounder number 2 rim, so it delivers more cup volume and a darker, broader sound.
No. The deep E cup and J throat need developed air support. The 46 is the model in this series aimed at beginning trombone players.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.