Korena
Product detailSKU #1274115059922

BachTrumpet Mouthpiece Group II 10-1/2C

Bach
Bach Trumpet Mouthpiece Group II 10-1/2C

Independent shopping perspective

The Korena take

Bach 10-1/2C trumpet mouthpiece. A slightly wider cup than the standard 7C, aimed at players who want more comfort on the lip.

Bach Trumpet Mouthpiece Group II 10-1/2C product detail
Product studyBach Trumpet Mouthpiece Group II 10-1/2C

Strong match

Who this is for

  • School and community band players who find a 7C too tight
  • Trumpeters with fuller lips needing more rim contact area
  • Building endurance on long rehearsals and marching sets

Consider the trade-offs

When to look elsewhere

  • Lead players needing an easy high register
  • Players already comfortable and secure on a 7C
  • Cornet players — the shank is trumpet-sized

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 01

10-1/2 rim size

Wider than a 7C rim. Spreads pressure over more lip, which helps endurance but makes upper register work harder.

Detail 02

C cup depth

Bach's medium cup. Balanced between the brightness of shallow cups and the darkness of deep ones. The all-purpose choice.

Detail 03

D backbore

A more open backbore. Slightly freer air and a broader sound, at the cost of some resistance players use for control.

Detail 04

Standard trumpet shank

Fits Bb and C trumpets. Cornets and flugelhorns use different receivers and need their own mouthpieces.

Detail 05

Silver-plated brass

Standard plating. Wears through at the rim over years of heavy playing and needs replating or replacement.

Final check

Know before you order

  1. 01Changing rim size resets your embouchure — expect a few rough weeks
  2. 02No pouch or case included; store it where it cannot get dented
  3. 03A dented shank will not seat properly and can jam in the receiver

Product questions

Before you decide

Straight answers to the questions shoppers most often ask about this product.

01How is 10-1/2C different from 7C?

The 10-1/2C has a wider rim with the same C cup depth. More lip contact means more comfort and endurance, but the high register takes more work.

02Is this good for a beginner?

Yes, if a 7C feels too small. It is a common band-room alternative and the medium C cup works across concert band, jazz band and lessons.

03Will it fit my cornet?

No. Cornet receivers take a smaller shank. You need a mouthpiece marked for cornet.

04How do I clean it?

Run a mouthpiece brush through it with warm soapy water weekly. Buildup inside the throat narrows the bore and changes how the horn responds.

Reference

Full specifications

The complete catalog record, organized around the decisions musicians make when comparing gear.

1 detailsPlayability
Neck Shape
D

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