Detail 01
.630 inch cup diameter
The narrow end of the flugel range, which runs up to .700. Less lip in the cup means easier high notes and less low-register volume.
Product detailSKU #1275776904215
SchilkeStandard Series Flugelhorn Mouthpiece in Silver 6F4 Silver
Independent shopping perspective
The Korena take
The smallest cup diameter in Schilke's flugelhorn line at .630 inch, with a semi-flat number 4 rim. Silver plate. For flugel players who want high-register support.
Strong match
Who this is for
- Lead trumpeters doubling on flugel who play a small rim
- Charts where the flugel part sits high in the staff
- Players who tire on wide flugelhorn rims
Consider the trade-offs
When to look elsewhere
- Players chasing the widest, darkest flugel sound
- Anyone on a large trumpet rim — .630 will feel cramped
- Trumpet or cornet; this is flugelhorn only
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
24 throat
More open than the 26 and 27 throats on trumpet pieces. More air moves through, which is what the flugel's mellow voice wants.
Detail 03
Number 4 semi-flat rim
Flatter rim spreads pressure over more lip area. Noticeably better endurance than a rounded rim on long sets.
Detail 04
Rim matches the 6A4a
If you play that trumpet mouthpiece, switching to flugel mid-chart feels the same on your lips.
Detail 05
F cup
Deep cone shape specific to flugelhorn. It is what makes the horn sound like a flugel rather than a soft trumpet.
Detail 06
Silver finish
Slightly more grip than gold under the lip. Standard plating that can be redone when contact points wear through.
Final check
Know before you order
- 01Flugelhorn receivers vary by maker — confirm the shank seats fully in yours
- 02Mouthpiece only; no pouch or case
- 03Smallest cup in the line — size up if .630 feels tight
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will this fit any flugelhorn?
Not automatically. Flugelhorn receiver tapers differ between makers, so check that the shank seats fully in your horn before buying.
02Can I use this on a trumpet?
No. The shank and the deep F cup are made for flugelhorn. A trumpet needs a trumpet mouthpiece.
03Which size should I pick if I am new to flugel?
Match the rim diameter you already use on trumpet. The line runs .630 up to .700, and each F model lists the trumpet rim it corresponds to.
04Does the small cup make the flugel sound thin?
The narrow diameter trims low-register volume, but the deep F cup and open 24 throat keep the round flugel character.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Silver
8 detailsOther
- 17f
- 17.33mm, .682 inch cup diameter; 24 throat. Compares to 17 rim diameter.
- 15f
- 17.12mm, .674 inch cup diameter; 24 throat. Compares to 15 rim diameter.
- 6f4
- 15.99mm, .630 inch cup diameter; 24 throat. Compares to a 6A4a rim diameter.
- 16f4
- 17.20mm, .677 inch cup diameter; 24 throat. Compares to 16C4 rim diameter.
- 14f4
- 17.09mm, .673 inch cup diameter; 24 throat. Compares to 14A4a rim diameter.
- 13f4
- 16.76mm, .660 inch cup diameter; 24 throat. Compares to 13A4a rim diameter.
- 20f
- 17.78mm, .700 inch cup diameter; 24 throat. Compares to 20 rim diameter.
- 18f
- 17.52mm, .690 inch cup diameter; 24 throat. Compares to 18 rim diameter.
