Detail 01
.640 inch (16.25mm) cup diameter
One of the smaller diameters in the series. Less lip vibrating means easier high notes, thinner low register.
Product detailSKU #1275776904323
SchilkeStandard Series Trumpet Mouthpiece Group I 8A4 Silver
Independent shopping perspective
The Korena take
Silver-plated Schilke 8A4 trumpet mouthpiece. Small .640-inch cup with a shallow A cup and cushion rim, built for range and endurance.
Strong match
Who this is for
- Lead and commercial playing that lives above the staff
- Players with thin lips who find larger rims uncomfortable
- Long gigs where lip fatigue ends the night early
Consider the trade-offs
When to look elsewhere
- Orchestral or symphonic work needing a broad, dark tone
- Developing players still building tone and air support
- Anyone who wants one mouthpiece for every setting
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
A cup (shallow)
Less cup volume brightens the sound and cuts through a horn section. Also makes the low register feel tight.
Detail 03
Number 4 semi-flat rim
Wider, flatter bearing surface spreads pressure over more lip. That is where the endurance comes from.
Detail 04
Funnel shape at the throat entrance
Softens the edge a shallow cup would otherwise give, so it keeps some warmth instead of going purely shrill.
Detail 05
26 throat
Slightly more open than the 27 throat on the tightest high-register models, so it does not choke as fast on loud passages.
Detail 06
Silver plating
Grippier feel than gold, resists tarnish better than bare brass. A small number of players react to silver on the skin.
Final check
Know before you order
- 01Mouthpiece only — no pouch or cleaning brush included
- 02Small shallow pieces cost you low-register body; keep your main piece
- 03Switching between two rim sizes regularly slows both down
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is the 8A4 a lead mouthpiece?
Yes. Small diameter, shallow A cup and cushion rim all point at upper register and endurance rather than broad orchestral tone.
02Will this make my high notes easier?
The smaller shallow cup helps, but it does not replace air support and practice. Expect a real trade in low-register fullness.
03How does it compare to the 13A4a?
The 13A4a is noticeably wider at .660 inch with a tight a-backbore. The 8A4 is smaller and freer blowing, easier on the chops over a long set.
04Does it fit a cornet?
This is a trumpet-taper mouthpiece. Cornets take a different shank; Schilke's funnel-cup models like the 11E are the cornet-oriented ones.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Silver
23 detailsOther
- 9
- 16.33 mm, .643 inch cup diameter; 26 throat. Standard characteristics allow for a full penetrating tone quality.
- 11
- 16.53 mm, .653 inch cup diameter; 26 throat. A superior mouthpiece with standard characteristics for a free-blowing mouthpiece.
- 12
- 16.69 mm, .657 inch cup diameter; 26 throat. A traditional medium size mouthpiece that includes a number 3 standard rim and c-backbore, which allows the player a full spectrum of sound.
- 13
- 16.8 mm9mm, .665 inch cup diameter; 26 throat. Ideal choice for a student or developing player with standard number 3 rim contour. The rounder rim provides increased flexibility and quick response. The C cup offers volume for tone.
- 13b
- 16.77 mm, .660 inch cup diameter; 26 throat. This mouthpiece has a B cup that is slightly deeper than the 13A4 and also offers a narrower round rim.
- 11ax
- 16.51 mm, .650 inch cup diameter; 27 throat. This model was developed for the Schilke piccolo trumpets. The x-backbore improves the ease of playing and opens up the sound on a piccolo trumpet.
- 6a4a
- 15.99 mm, .630 inch cup diameter; 27 throat. Shallow A cup with cushion number 4 rim for extreme high register work.
- 11a
- 16.51 mm, .650 inch cup diameter; 26 throat. This rim size and contour is similar to the model 11 mouthpiece, but with a shallower A cup.
- 13a4
- 16.76 mm, .660 inch cup diameter; 27 throat. Same as the 13A4a, but with a standard c-backbore which allows a free-blowing feel.
- 12a4
- 16.71 mm, .658 inch cup diameter; 27 throat. This mouthpiece is the same as a 12A4a, but with a standard c-backbore.
- 12b4
- 16.71 mm, .658 inch cup diameter; 26 throat. This medium-small conical B cup provides a full tone and the number 4 semi-flat rim allows for more endurance.
- 10a4
- 16.43 mm, .647 inch cup diameter; 27 throat. Same as the 10A4a but with a standard c-backbore, which offers less resistance.
- 11e
- 16.58 mm, .653 inch cup diameter; 26 throat. The large funnel-shaped cup encourages a big round tone, ideal for cornet.
- 10a4a
- 16.43 mm, .647 inch cup diameter; 27 throat. The combination of the shallow A cup, semi-flat number 4 rim and tight a-backbore assists with upper register work.
- 10b4
- 16.43 mm, .643 inch cup diameter; 26 throat. A medium-small funnel-shaped B cup offers both a quality sound and support in the register.
- 13a4a
- 16.76 mm, .660 inch cup diameter; 27 throat. The shallow A cup, semi-flat number 4 rim and tight a-backbore creates an ideal lead mouthpiece.
- 8 Mma4
- 16.25 mm, .640 inch cup diameter; 26 throat. The slightly funnel-shape cup at the entrance to the throat provides a good tone and the number 4 semi-flat rim gives superior endurance.
- 12a4a
- 16.71 mm, .658 inch cup diameter; 27 throat. Similar to the 12B4, but with a shallow A cup and tight a-backbore, which adds both endurance and range.
- 11d4
- 16.58 mm, .653 inch cup diameter; 26 throat. Slightly deeper than the model 11 with a number 4 semi-flat rim, which provides a definite cushion feel for endurance.
- 7b4
- 16.08 mm, .633 inch cup diameter; 26 throat. Excellent for the player with thin lips. Number 4 rim provides good endurance with a brilliant tone.
- 8 Mme2
- 16.15 mm, .636 inch cup diameter; 26 throat. The deep funnel-shaped cup provides a smooth tone and is very flexible in all registers. Recommended for cornet players
- 9c4
- 16.36 mm, .644 in cup diameter; 26 throat. Like the 9 mouthpiece, however the 4 semi-flat rim provides excellent endurance.
- 11c2
- 16.51 mm, .650 inch cup diameter; 26 throat. Similar to the model 11 featuring a slightly rounded number 2 rim contour.
