Detail 01
The 3 in 3C
Sets rim diameter, and it's on the wide side. More lip inside the rim, which suits developing endurance but needs control.
Product detailSKU #1274115059648
Bach33511CW Standard Series Trumpet Mouthpiece - Silver, 3C
1/8
Independent shopping perspective
The Korena take
Silver-plated 3C trumpet mouthpiece with a fairly wide rim and medium cup. The default all-around choice for students and general-purpose players.
Strong match
Who this is for
- Students needing one mouthpiece for band, lessons and jazz ensemble
- Replacing a lost or worn stock mouthpiece on a student trumpet
- Concert and marching work where tone and range stay balanced
Consider the trade-offs
When to look elsewhere
- Lead players chasing high register — a shallower cup gets there easier
- Players wanting a dark, broad orchestral sound from a deeper cup
- Cornet or flugelhorn, which take a different shank taper
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
The C cup
Medium depth. Sits between shallow lead cups and deep orchestral ones, so it doesn't favor high or low register.
Detail 03
Silver plating
Harder and slicker against the lips than bare brass, and it resists wear. A small number of players are sensitive to silver.
Detail 04
Standard Series
Bach's regular production line rather than a hand-finished custom piece, so sizes swap out predictably.
Detail 05
Trumpet shank
Drops into standard Bb and C trumpet receivers. It will not seat correctly in a cornet or flugelhorn.
Final check
Know before you order
- 01No pouch or case included — a hard pouch keeps the rim from denting
- 02Switching rim size resets your embouchure; give it two or three weeks
- 03Check your current size first; many student horns ship with a 7C
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Is a 3C good for a beginner?
It works, but many teachers start students on a 7C. The 3C's wider rim gives more lip room and takes more control to center. Fine as a first upgrade once tone is stable.
02What's the difference between a 3C and a 7C?
Cup depth is the same. The 3 has the wider rim diameter, which gives more lip area and a broader sound. The 7 is narrower and often easier on endurance early on.
03Will this fit my cornet?
No. Cornet receivers use a shorter, narrower taper. You need a cornet mouthpiece or a proper adapter.
04How do I clean it?
Warm water, mild soap and a mouthpiece brush through the throat and backbore. Avoid abrasives — they wear the plating off the rim.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
55 detailsOther
- 2
- Deep - 16.50 mm - Medium wide, lowered toward the outside. - Large cup; powerful Teutonic quality of tone. For players with a good embouchure.
- 3
- Deep - 16.30 mm - Medium wide - Fairly large cup with full, rich tone.
- 6
- Deep - 16.20 mm - Medium wide, not too sharp. - Produces a rich, clear tone of substantial body. Its rim shape was preferred by Vincent Bach. (Cornet model comes with #24 backbore as standard.)
- 8
- Deep - 16.20 mm - Fairly wide with slightly flatter surface than No.7. Rounded inner edge. - The same cup as No. 7 but with a rim that players with protruding teeth find more comfortable.
- 7A*
- Very deep - 16.20 mm - Medium wide, lowered toward the outside. Med. sharp inside edge. - Warm, melodious, rich tone approaches the quality of a lyric soprano voice. Free blowing.
- 6BM
- Medium deep - 16.20 mm - Medium wide, not too sharp. - Same as No.6B but larger #26 throat, #24 backbore. Large symphony sound.
- 7DW
- Medium shallow - 16.20 mm - Slightly wider than No. 7D. - This shallow E soprano trumpet (or cornet) cup is excellent for D trumpet and for playing continually in the high register. Cushion rim is helpful to players who use a little too much pressure.
- 8B
- Medium deep - 16.20 mm - Fairly wide with slightly flatter surface than No.7B. Rounded inner edge. - The same cup as No. 7B with a rim that players with protruding teeth find more comfortable. Darker sound than No. 8.
- 8C
- Medium - 16.20 mm - Fairly wide with slightly flatter surface than No.7C. Rounded inner edge. - The same cup as No. 7C but with a rim that players with protruding teeth find more comfortable.
- 8-1/2
- Deep - 16.10 mm - Medium wide, lowered toward the outside. Med. sharp inside edge. - Slightly smaller in diameter than No. 7; produces a full, round tone. Preferred by players with a sensitive embouchure and by those whose work is very strenuous.
- 1*
- Deep - 17.50 mm - Medium thin - Extra-large cup for players with a robust embouchure. Produces a great volume of tone.
- 5B*
- Medium deep - 16.25 mm - Medium wide, lowered toward the outside. Medium sharp edge. - A precise rim and a fairly large cup. The tone is vivid and full.
- 5MV
- Medium deep - 16.25 mm - Medium wide, lowered toward the outside. Medium sharp edge. - Medium deep V-style cup with #25 throat and #25 backbore. Good commercial sound.
- 1-1/2B
- Medium deep - 17 mm - Medium wide, not too sharp. - Produces a scintillating, warm tone of large volume. For players with a well-trained embouchure. Comfortable rim contour.
- 7EW
- Shallow - 16.20 mm - Slightly wider than No. 7E. - The same as No. 7E with a cushion rim. For players accustomed to playing with much pressure, especially in the high register.
- Korena Special
- false
- 1B
- Medium deep - 17 mm - Medium wide - Large cup for players with a robust embouchure. Produces a warm tone with great volume.
- 1D
- Medium shallow - 17 mm - Medium wide - Medium shallow cup facilitates high register. Brilliant sound.
- 1E
- Shallow - 17 mm - Medium wide - Facilitates high register. Excellent mouthpiece for soprano or piccolo trumpet.
- 1C*
- Medium - 17 mm - Medium wide - Large diameter, medium cup - good for all-around use.
- 3C*
- Medium - 16.30 mm - Medium wide - Fairly large cup, good for all-around use.
- 5C*
- Medium - 16.25 mm - Medium wide, well rounded toward the inside and outside, fairly flat. - For players with a strong embouchure who do not like a sharp edge. The tone is lively and rich.
- 7C*
- Medium - 16.20 mm - Medium wide, lowered toward the outside. Med. sharp inside edge. Well-rounded edge with a perfect grip. - Probably the most widely used model in the world. Its brilliant tone is preferred by school musicians and by artists.
- 5V
- Very deep - 16.25 mm - Medium wide, lowered toward the outside. Medium sharp edge. - V-style cup with larger #20 throat and #25 backbore. Free blowing, very flexible.
- 8-3/4C
- Medium - 16.10 mm - Medium wide, slightly flat.
- 2-3/4C
- Medium - 16.40 mm - Slightly more narrow than No. 2-1/2C. - Large cup; bright, lively C trumpet tone. For players with a normal embouchure.
- 8-1/2A
- Very deep - 16.10 mm - Medium wide with rounded inner edge. - Produces a full, velvety tone. Suitable for cantilena playing.
- 8-1/2B
- Medium deep - 16.10 mm - Medium wide, lowered toward the outside. Medium sharp edge. - Like No. 7B but with a cup diameter just enough smaller to facilitate production of the high tones.
- 8-1/2C
- Medium - 16.10 mm - Medium wide, well rounded. - Medium C cup provides flexibility and easy response. Clear, brilliant tone throughout the register.
- 1X
- Deep - 17 mm - Medium wide - The pre-1970 (old style) No. 1, with slightly smaller cup and wider rim than the present model.
- 2-1/2C
- Medium - 16.40 mm - Medium wide, lowered toward the outside. - Large cup; brilliant, heroic, crisp C trumpet tone. For players with strong, muscular lips.
- 6B
- Medium deep - 16.20 mm - Medium wide, not too sharp. - Produces a beautiful, ringing tone and responds easily. Medium-large size gives the lips sufficient room to execute freely.
- 7BW
- Medium deep - 16.20 mm - Slightly wider, lowered toward the outside. Med. Sharp inside edge. - The same features as No. 7B with a cushion rim for players with slightly heavier lips.
- 2C
- Medium - 16.50 mm - Medium wide, lowered toward the outside. - Large cup; powerful, brilliant tone. For players with a good embouchure.
- 7*
- Deep - 16.20 mm - Medium wide, lowered toward the outside. Med. sharp inside edge. - This popular model produces a colorful, liquid tone which is uniform over the entire scale. Desirable for all-around work.
- Tier
- new
- 5SV
- Shallow - 16.25 mm - Medium wide, lowered toward the outside. Medium sharp edge. - Shallow V-style cup with #25 throat and #25 backbore.
- 1-1/2C*
- Medium - 17 mm - Medium wide, not too sharp. - Large diameter, medium cup - good for all-around use.
- Category Source
- detail
- 1CW
- Medium - 17 mm - Slightly wider, gradually lowered to outside. - Same as No.1C with wider cushion rim.
- 1-1/4C
- Medium - 17 mm - Medium wide - Large cup for powerful trumpeters. Compact tone of great carrying power.
- 3CW
- Medium - 16.30 mm - Slightly wider, lowered to outside. - Same as No. 3C with wider cushion style rim.
- 8-3/4
- Deep - 16.10 mm - Medium wide, not too sharp. - Produces a tone of great volume and Teutonic character. Very effective in symphonic work and opera.
- 7B
- Medium deep - 16.20 mm - Medium wide, lowered toward the outside. Med. sharp inside edge. - Slightly livelier timbre than No. 7, full in the low and middle registers, responds easily on high tones. Warm, rich sound. Well suited for all-around use.
- 7CW
- Medium - 16.20 mm - Slightly wider, lowered toward the outside. - The same as No. 7C with a comfortable cushion rim contour. Very practical for strenuous work and players with large lips.
- 7D
- Medium shallow - 16.20 mm - Medium wide, lowered toward the outside. Similar to No. 7C. - A shallower cup than No. 7C, designed principally for D trumpet, but used successfully where great brilliance and easy high register are required.
- 7E
- Shallow - 16.20 mm - Slightly wider than No. 7C. - This extra shallow E soprano trumpet (or cornet) cup produces crisp, sparkling tone in the extreme high register. Widely used for piccolo trumpet.
- 3B
- Medium deep - 16.30 mm - Medium wide - A fairly large cup. The tone is warm and full.
- 3D
- Medium shallow - 16.30 mm - Medium wide - Fairly large, medium shallow cup produces a more brilliant tone. Facilitates high register.
- 3E
- Shallow - 16.30 mm - Medium wide - Preferred by players who want a large mouthpiece but with a shallow cup. Facilitates high register.
- 3F
- Extra shallow - 16.30 mm - Medium wide - Same as above but with extra shallow cup. Produces sparkling tone in the extreme high register.
- Source Id
- site51274115059648
- 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.
- 6C*
- Medium - 16.20 mm - Medium wide, not too sharp, rather flat. - A distinctive C trumpet cup. Its clear tone cuts through the largest bands and orchestras.
- 5A*
- Very deep - 16.25 mm - Medium wide, rounded inside edge. - A fairly large cup with a dark, full, mellow tone.
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