Detail 01
B cup (medium-small)
Shallower than Schilke's standard cup. Brighter, more projecting sound with less effort in the high register, less depth low down.
Product detailSKU #1275776904202
SchilkeStandard Series Large Shank Trombone Mouthpiece in Gold 51B Gold
Independent shopping perspective
The Korena take
Schilke 51B in gold — a large-bore tenor trombone mouthpiece pairing a wide 25.63mm rim with a shallow cup and tight throat.
Strong match
Who this is for
- Large-bore tenor players who want upper-register security
- Commercial and big band work needing brightness at volume
- Players on a 51 who find the deep cup too much work up top
Consider the trade-offs
When to look elsewhere
- Orchestral players wanting maximum depth and darkness
- Bass trombonists — this is a tenor cup and diameter
- Small or medium shank horns; this is large shank 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
F throat
Smaller than the standard 51's J throat. More resistance to push against, which builds slotting and stamina but caps volume at the extreme.
Detail 03
25.63mm (1.010") cup diameter
Same rim width as the standard 51, so you can switch between them without relearning lip placement.
Detail 04
Large shank
Fits large-bore tenor and bass receivers only. It will not seat in a small or medium shank trombone.
Detail 05
Gold plating
Warmer, smoother feel on the lip than silver. The standard answer if silver plating irritates your skin.
Final check
Know before you order
- 01Mouthpiece only — no case or pouch included
- 02Confirm your horn is large shank before ordering
- 03The tight F throat feels stuffy at first if you are coming off a J throat
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What is the difference between the 51 and the 51B?
Same 25.63mm diameter. The 51 has a large bowl cup and J throat for a rich orchestral sound; the 51B has a shallower B cup and tighter F throat for brightness and high range.
02Is the 51B good for orchestral playing?
It is not the obvious pick. The shallow cup trades depth for projection and range. For orchestral tenor, the 51, 51C4 or 52 sit closer to that sound.
03Will this fit a small-bore tenor?
No. This is a large-shank mouthpiece for large-bore tenor and bass trombone receivers.
04Will a shallower cup help my high register?
It usually makes the upper range easier and more secure. The cost is a thinner low register and less warmth in the middle.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsBody & build
- Color
- Gold
19 detailsOther
- 46
- 24.54mm, .966 inch cup diameter; 15/64 throat. The semi-flat rim has a high point close to the center of the mouthpiece which allows for a great deal of flexibility. Ideally suited for the beginner trombone player.
- 47
- 24.99mm, .984 inch cup diameter; 15/64 throat. For both professionals and students alike, this outstanding mouthpiece combines good response with superior tone quality and intonation.
- 50
- 25.40mm, 1.00 inch cup diameter; 17/64 throat. Particularly adapted to the medium and large-bore tenor trombones. This Schilke standard model make this a fine all-around mouthpiece.
- 51
- 25.63mm, 1.010 inch cup diameter; J throat. A large bowl shaped cup producing a rich tone quality. Ideally suited for large bore tenor and orchestral performers.
- 52
- 25.78mm, 1.015 inch cup diameter; 17/64 throat. Slightly larger diameter than the model 51, this mouthpiece produces a slightly broader sound.
- 53
- 26.24mm, 1.033 inch cup diameter; 15/64 throat. This combination of large cup diameter and bowl shape is widely favored by those who desire a rich full sound.
- 57
- 26.52mm, 1.044 inch cup diameter; 15/64 throat. This model is an excellent choice for those who play tenor and bass trombone.
- 58
- 27.68mm, 1.090 inch cup diameter; 19/64 throat. A highly recommended mouthpiece for those who double on tenor and bass, and the full-time bass trombonist, combining both good intonation with great lower and upper registers.
- 59
- 28.52mm, 1.123 inch cup diameter; 19/64 throat. An outstanding mouthpiece for the full-time bass trombonist, combining great intonation with excellent lower and upper registers.
- 60
- 29.03mm, 1.143 inch cup diameter; 5/16 throat. The largest Schilke bass mouthpiece offering a full body of sound for the experienced player.
- 46d
- 24.76mm, .975 inch cup diameter; 15/64 throat. The cup diameter and volume is slightly larger than the 46, producing a full, resonant tone. Also recommended for the younger baritone/euphonium player.
- 51b
- 25.63mm, 1.010 inch cup diameter; F throat. This mouthpiece incorporates a large diameter with a medium-small B cup and small throat.
- 52d
- 25.78mm, 1.015 inch cup diameter; ¼ throat. Like the model 51D, the large D cup makes this mouthpiece ideal for symphonic trombone playing. Also a good choice for the Euphonium player requiring a larger diameter mouthpiece.
- 51d
- 25.55mm, 1.005 inch cup diameter; J throat. One of the most popular Schilke models, this mouthpiece offers a very large D cup and is excellent for the strong player. It is particularly suited for the Euphonium, producing a full dark tone.
- 47c4
- 25.10mm, .988 inch cup diameter; 15/64 throat. For both professionals and students alike, this outstanding mouthpiece combines good response with superior tone quality and intonation. Like the model 47 but with a slightly wider, semi-flat number 4 rim.
- 52e2
- 25.91mm, 1.020 inch cup diameter; J throat. With its extremely deep E cup and narrower, rounder number 2 rim, this mouthpiece an ideal symphonic choice for the robust player. Also a good choice for Euphonium player requiring more cup volume than the 52D.
- 50c4
- 25.40mm, 1.00 inch cup diameter; F throat. The medium-deep cup and medium-wide rim make this mouthpiece an outstanding choice for medium and large-bore tenor trombones, combining a rich, full sound with a high level of efficiency and playability.
- 51c4
- 25.63mm, 1.010 inch cup diameter; J throat. A large bowl shaped cup producing a rich tone quality. Ideally suited for large bore tenor and orchestral performers. Similar to the model 51, with a slightly shallower cup and semi-flat number 4 rim.
- 44e4
- 24.28mm, .956 inch cup diameter; 15/64 throat. A small cup diameter, this mouthpiece offers a very deep E cup and semi-flat number 4 rim.
