Detail 01
Shallow A cup
Less air volume in the cup brightens the tone and makes high notes easier, at the cost of depth down low.
Product detailSKU #1275776904077
SchilkeStandard Series Cornet Mouthpiece Group I in Gold 10A4a Gold
1/8
Independent shopping perspective
The Korena take
Cornet mouthpiece in gold plate: .647-inch shallow A cup, semi-flat 4 rim, tight backbore. Aimed at players who live in the upper register.
Strong match
Who this is for
- Big band or brass band cornet parts sitting high
- Players who fade in endurance late in long sets
- Anyone whose skin reacts to silver plating
Consider the trade-offs
When to look elsewhere
- Traditional deep, round cornet tone — the funnel-cup models suit that
- Beginners still building embouchure on a fuller cup
- Trumpet — the cornet shank will not seat
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
.647 inch (16.43mm) cup diameter
Medium-small. Less lip vibrates, which helps range and endurance but gives up some breadth of sound.
Detail 03
27 throat
Wider than the 26 throat models, so slightly less resistance at the cup itself before the backbore adds it back.
Detail 04
Tight a-backbore
Adds back pressure behind the throat — the resistance players lean on for high notes. The 10A4 is the same cup with an open c-backbore.
Detail 05
Semi-flat number 4 rim
A flatter, wider bearing surface spreads pressure across the lip for endurance, trading away some flexibility.
Detail 06
Gold plate
Slicker against the lip than silver and does not tarnish. The usual choice when silver causes a skin reaction.
Final check
Know before you order
- 01Mouthpiece only; no pouch or brush included
- 02Cornet shank — it will not fit a trumpet receiver
- 03Shallow cups punish tired chops; keep your current mouthpiece as backup
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What is the difference between the 10A4a and the 10A4?
Same .647-inch shallow A cup. The 10A4a has a tight a-backbore for added resistance and upper register support; the 10A4 uses a standard c-backbore that offers less resistance.
02Is this a good beginner mouthpiece?
Not really. Shallow cups reward a developed embouchure. A developing player is usually better on a fuller C cup such as the 13, then moving here when range demands it.
03Can I use it on a trumpet?
No — cornet receivers take a different shank. Schilke lists the same 10A4a cup profile in its trumpet models, so you can get an equivalent feel on trumpet.
04Will the shallow cup hurt my low register?
Somewhat. Less cup volume trims body and depth at the bottom while making the top easier to reach. That trade is the whole point of an A cup.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
5 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51275776904077
- Prop65
- WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer, and to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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