Detail 01
.673-inch cup diameter
One of the wider Group I sizes. More lip inside the cup, so tone stays full even with a shallow cup.
Product detailSKU #1275776904308
SchilkeStandard Series Trumpet Mouthpiece Group I in Gold 14A4 Gold
Independent shopping perspective
The Korena take
Gold-finish Schilke 14A4 trumpet mouthpiece: a wide .673-inch cup with a shallow A cup, semi-flat rim and open c-backbore. Built for lead and commercial playing.
Strong match
Who this is for
- Lead trumpet players who need upper register without a tiny rim
- Commercial and big band work where projection matters
- Players moving up from the 14A4a who want less resistance
Consider the trade-offs
When to look elsewhere
- Orchestral players wanting a deep, dark cup
- Beginners still building embouchure on a smaller diameter
- Anyone who prefers a rounded rim over a semi-flat one
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
Shallow A cup
Less cup volume means the high register speaks with less effort, at the cost of low-end depth.
Detail 03
Number 4 semi-flat rim
Flatter rim spreads pressure across the lip. Longer sets before fatigue, slightly less slotting feel than a rounded rim.
Detail 04
27 throat
Slightly larger bore than the 26 throat pieces in this group. A bit more air moves through before the backbore.
Detail 05
C-backbore
The standard backbore rather than the tight a-backbore on the 14A4a. Freer blow, less built-in resistance up high.
Detail 06
Gold finish
A finish choice only. Cup diameter, rim contour, throat and backbore are identical to the same model in other finishes.
Final check
Know before you order
- 01Mouthpiece only. No pouch, case or brush is part of this.
- 02If you want more resistance up high, the 14A4a is the same rim with a tight backbore.
- 03Rim size changes take a couple of weeks to settle. Don't judge it on day one.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What's the difference between the 14A4 and the 14A4a?
Same .673-inch cup, shallow A cup and number 4 semi-flat rim. The 14A4 uses the standard c-backbore for a more open feel; the 14A4a uses a tight a-backbore for more resistance.
02Is this a good lead mouthpiece?
Yes. The shallow A cup and semi-flat rim are aimed at upper register work, and the wide .673-inch diameter keeps the tone from thinning out the way smaller lead pieces can.
03Will this work for orchestral or concert band playing?
It's not the natural choice. The shallow A cup trades low-end volume for high register ease. For all-around work in this diameter, the model 14 with its standard cup is closer.
04Does the gold finish change how it plays?
The dimensions are the same across finishes. Cup diameter, cup depth, rim number and backbore on a 14A4 are identical whether you buy it in gold or another finish.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Gold
32 detailsOther
- 9
- 16.33mm, .643 inch cup diameter; 26 throat. Standard characteristics allow for a full penetrating tone quality.
- 11
- 16.53mm, .653 inch cup diameter; 26 throat. A superior mouthpiece with standard characteristics for a free-blowing mouthpiece.
- 12
- 16.69mm, .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
- 16.89mm, .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.
- 14
- 17.02mm, .670 inch cup diameter; 26 throat. With a standard rim, cup and backbore, this model is an excellent choice for all-around playing.
- 13b
- 16.77mm, .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.
- 14a4a
- 17.09mm, .673 inch cup diameter; 27 throat. A very popular mouthpiece, the 14A4a offers a shallow A cup, semi-flat number 4 rim and tight a-backbore, which allows a player a strong upper register without sacrificing tonal production.
- 11ax
- 16.51mm, .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
- 15.99mm, .630 inch cup diameter; 27 throat. Shallow A cup with cushion number 4 rim for extreme high register work.
- 11a
- 16.51mm, .650 inch cup diameter; 26 throat. This rim size and contour is similar to the model 11 mouthpiece, but with a shallower A cup.
- 14a4
- 17.09mm, .673 inch cup diameter; 27 throat. Same as the 14A4a, but with a standard c-backbore that offers a more open feel.
- 13a4
- 16.76mm, .660 inch cup diameter; 27 throat. Same as the 13A4a, but with a standard c-backbore which allows a free-blowing feel.
- 12a4
- 16.71mm, .658 inch cup diameter; 27 throat. This mouthpiece is the same as a 12A4a, but with a standard c-backbore.
- 13c4
- 16.89mm, .665 inch cup diameter; 26 throat. The somewhat sharp inner-edge combined with a funnel-shaped C cup offers a clear tone. The number 4 semi-flat rim adds increased endurance.
- 14c2
- 17.02mm, .670 inch cup diameter; 26 throat. This C cup and number 2 semi-rounded rim produces a rather large tone and good center.
- 10a4
- 16.43mm, .647 inch cup diameter; 27 throat. Same as the 10A4a but with a standard c-backbore, which offers less resistance.
- 11e
- 16.58mm, .653 inch cup diameter; 26 throat. The large funnel-shaped cup encourages a big round tone, ideal for cornet.
- 10a4a
- 16.43mm, .647 inch cup diameter; 27 throat. The combination of the shallow A cup, semi-flat number 4 rim and tight a-backore assists with upper register work.
- 12a4a
- 16.71mm, .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.
- 7b4
- 16.08mm, .633 inch cup diameter; 26 throat. Excellent for the player with thin lips. Number 4 rim provides good endurance with a brilliant tone.
- 11c2
- 16.51mm, .650 inch cup diameter; 26 throat. Similar to the model 11 featuring a slightly rounded number 2 rim contour.
- 14b
- 17.02mm, .670 inch cup diameter; 26 throat. Similar to the model 14, but with a B cup that is medium-small size.
- 12b4
- 16.71mm, .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.
- 8e2
- 16.15mm, .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
- 13d4
- 16.89mm, .665 inch cup diameter; 27 throat. Best option for a player looking for a thick, rich, weighted sound. Medium-large D cup offers a tone that is colorful with depth. The number 4 semi-flat rim affords comfort with a sharper bite for superior articulation clarity. The cup diameter is ideal for all players from student to professional.
- 10b4
- 16.43mm, .643 inch cup diameter; 26 throat.A medium-small funnel-shaped B cup offers both a quality sound and support in the register.
- 13a4a
- 16.76mm, .660 inch cup diameter; 27 throat. The shallow A cup, semi-flat number 4 rim and tight a-backbore creates an ideal lead mouthpiece.
- 11d4
- 16.58mm, .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.
- 5a4
- 15.84mm, .624 inch cup diameter; 26 throat. Small cup diameter which aids upper register. Popular for use as a piccolo trumpet mouthpiece.
- 14a4x
- 17.09mm, .673 inch cup diameter; 27 throat. Based on the popular 14A4a, this mouthpiece creates a very open blowing feel with the large x-backbore. This backbore improves the ease of playing and opens up the sound of a piccolo trumpet.
- 9c4
- 16.36mm, .644 in cup diameter; 26 throat. Like the 9 mouthpiece, however the 4 semi-flat rim provides excellent endurance.
- 8a4
- 16.25mm, .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.
