Bach Mouthpieces – Trumpet Models

Bach Mouthpieces – Trumpet Models

We are always looking for more information on the Bach mouthpiece line through the years. Our goal is to summarize all of the different marketing of these mouthpieces. Some of the favorites include:

“pyrotechnics in dance orchestras;” Bach 10.5D

“with rather fleshy lips;” Multiple Bach models

If you have any updated information, please contact us through the link in the header.

 

Bach Trumpet Mouthpieces – Quick Reference
Diameter vs. Cup Depth Options

Deep Std. Shallow
A C F

 

Model Diameter (mm) A B C D E F
1* 17.500
1 17.000 X X X X
1.25 17.000 X
1.50 17.000 X X
2 16.500 X
2.5 16.400 X
2.75 16.400 X
3 16.300 X X X X X
5 16.250 X X X
6 16.200 X X
7 16.200 X X X X X X
8 16.200 X X
8.5 16.100 X X X
8.75 16.100 X
9 16.050 X X X X
10 16.000 X X
10.5 15.900 X X X X
10.75 15.750 X X X
11 15.700 X X X X X
11.5 15.650 X X
11.75 15.600 X
12 15.200 X X
17 15.100 X
18 15.100 X
20 15.00 X

 

Bach Trumpet Mouthpieces – Model Catalog
Catalog No. 351 Trumpet / Catalog No. 349 Cornet / Catalog No. 342 Flugelhorn

Model
No.
Depth
of Cup
Approx.
Cup Dia.
Rim
Shape
Description
1* Deep 17.50 mm Medium thin.

Extra-large cup for players with a robust embouchure. Produces a great volume of tone.

1X Deep 17.00 mm Medium wide.

The pre-1970 (old style) No. 1, with slightly smaller cup and wider rim than the present model.

1B Medium
deep
17.00 mm Medium wide.

Large cup for players with a robust embouchure. Produces a warm tone with great volume.

1C* Medium 17.00 mm Medium wide.

Large diameter, medium cup – good for all-around use.

Extra large cup for players with a robust embouchure. Principally used by trumpet players in large symphony orchestras who alternate between Bb, C, and D trumpets. Produces an enormous volume of tone of brilliant timbre. (1982)

1CW Medium 17.00 mm Slightly wider, gradually lowered to outside.

Same as No. 1C with wider cushion rim.

1D Medium
shallow
17.00 mm Medium wide.

Medium shallow cup facilitates high register. Brilliant sound.

1E Shallow 17.00 mm Medium wide.

Facilitates high register. Excellent mouthpiece for soprano or piccolo trumpet.

1.25C Medium 17.00 mm Medium wide.

Large cup for powerful trumpeters. Compact tone of great carrying power.

Extra large cup diameter for well trained symphony, opera, and solo trumpeters. Well suited for interchanging between Bb, C and D trumpet. Clear, brilliant, compact tone of great carrying power through the entire register. (1982)

1.5B Medium
deep
17.00 mm Medium wide.
not too sharp.

Produces a scintillating, warm tone of large volume. For players with a well-trained embouchure. Comfortable rim contour.

1.5C* Medium 17.00 mm Medium wide. not too sharp.

Large diameter, medium cup – good for all-around use.

2 Deep 16.50 mm Medium wide, lowered toward the outside.

Large cup; powerful Teutonic quality of tone. For players with a good embouchure.

2C Medium 16.50 mm Medium wide, lowered toward the outside.

Large cup; powerful, brilliant tone. For players with a good embouchure.

2.5C Medium 16.40 mm Medium wide, lowered toward the outside.

Large cup; brilliant, heroic, crisp C trumpet tone. For players with strong, muscular lips.

A large size for symphony artists having a well trained embouchure. Rich, brilliant tone. (1982)

2.75C Medium 16.40 mm Medium wide, lowered toward the outside.

Large cup; bright, lively C trumpet tone. For players with a normal embouchure. Slightly more narrow than No. 21.2C.

3 Deep 16.30 mm Medium wide. Fairly large cup with full, rich tone.
3B Medium 16.30 mm Medium wide.

A fairly large cup. deep The tone is warm and full.

3C* Medium 16.30 mm Medium wide. Fairly large cup, good for all-around use.For players able to use a fairly large mouthpiece who want an easier high register and brilliant tone. Good for large symphony orchestra. (1982)
3CW Medium 16.30 mm Slightly wider, lowered to outside.

Same as No. 3C with wider cushion style rim.

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.

5A* Very
deep
16.25 mm Medium wide, rounded
inside edge.

A fairly large cup with a dark, full, mellow 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.

5V Very
deep
16.25 mm Same as above.

V style cup with larger #20 throat and #25 backbore. Free blowing, very flexible.

5MV Medium
deep
16.25 mm Same as above.

Medium deep V style cup with #25 throat and #25 backbore. Good commercial sound.

 

5SV Shallow 16.25 mm Same as above. Shallow V style cup with #25 throat and #25 backbore.
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.

An excellent rim for players who do not like a sharp, cutting edge. The tone is lively and rich. A very fine mouthpiece for players with a good embouchure in symphony and theatre work. (1982)

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.)

Large, full, rather mellow tone: for those having normal embouchure. Particularly effective for cornet. (1982)

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.

Beautiful livelier tone, easy response (1982)

6BM Medium
deep
16.20 mm Medium wide, not too sharp.

Same as No. 6B but larger #26 throat, #24 backbore. Large symphony sound.

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.

More brilliant, flexible tone. Easier for high register. Good for “C” trumpet. (1982)

7* Deep 16.20 mm Medium wide, lowered toward the outside.

This popular model produces a colorful, liquid tone which is uniform over the entire scale. Desirable for all-around work.

A masterpiece in the art of mouthpiece construction. Desirable for all-round work. (1982)

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.

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.Lively, solid tone in all registers. (1982)
7BW Medium
deep
16.20 mm Medium wide, lowered toward the outside. Med. sharp inside edge. The same features as No. 7B with a cushion rim for players with slightly heavier lips.Similar to No. 7B; slightly wider cushion rim. For players with rather fleshy lips. (1982)
7C* Medium 16.20 mm Medium wide, lowered toward the outside. Medium sharp inside. 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.Similar to No. 7 and No. 7B but with a medium-shallow C trumpet cup; more brilliant tone, easier high register, large volume of tone. Excellent for light symphonic work, dance, and all-round playing. Well liked by beginners. (1982).
7CW Medium 16.20 mm Slightly wider, gradually 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.Similar to No. 7C; slightly wider cushion rim. For players with rather fleshy lips. Used by some symphony trumpeters. (1982)
7D Medium
shallow
16.20 mm Medium wide, lowered toward the outside. A shallower cup than No. 7C, designed principally for D trumpet, but used successfully where great brilliance and easy high register are required. Similar to No. 7C.A magnificent mouthpiece for D trumpet, as well as Bb trumpet in dance orchestras. Marvelous for strenuous work in the high register for long hours. (1982)
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.

Similar to No. 7D with slightly wider cushion rim. For players with rather fleshy lips. (1982)

7E Shallow 16.20 mm Medium wide.

This extra shallow E soprano trumpet (or cornet) cup produces a crisp, sparkling tone in the extreme high register. Widely used for piccolo trumpet. Similar to No. 7C.

Similar to previous models, but with a still shallower Eb trumpet cup. Penetrating tone, very easy top notes. Cuts through well in powerful FFF. Brilliant tone. (1982)

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.

Similar to No. 7E; slightly wider cushion rim. For players with rather fleshy lips. (1982)

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.

Slightly flatter, comfortable rim; liked by players with protuding teeth. (1982)

8B Medium 16.20 mm Fairly wide with slightly deep 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.

Rim like No. 8, but slightly shallower cup. (1982)

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.

Penetrating, bright tone of large volume. Rim like No. 8 cup like No. 7C. (1982)

8.5 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.
8.5A Very
deep
16.10 mm Medium wide with rounded inner edge. Produces a full, velvety tone. Suitable for cantilena playing.
8.5B Medium 16.10 mm Medium wide, lowered deep toward the outside. Medium sharp edge.

Like No. 7B but with a cup diameter just enough smaller to facilitate production of the high tones.

Similar to the No. 7B but slightly smaller. (1982)

8.5C Medium 16.10 mm Medium wide, well rounded.

Medium C cup provides flexibility and easy response. Clear, brilliant tone throughout the register.

8.75 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.

8.75C Medium 16.10 mm Medium wide, slightly flat.

Similar to No. 7C, but with a slightly smaller cup diameter. Response helps endurance for players who suffer from fatigue.

9 Deep 16.05 mm Medium wide, lowered toward the outside. The same style and rim as No. 7, but with smaller cup diameter.
9A Very
deep
16.05 mm Medium wide, well rounded.

Produces a mellow, sweet tone.

9B Medium
deep
16.05 mm Medium wide, lowered toward the outside.

Corresponds with No. 9. Slightly darker tone. Players with narrow lips who tire quickly feel relieved when using this model.

9C Medium 16.05 mm Medium wide, lowered toward the outside.

Similar in size to No. 9 but produces a more brilliant, open tone. Free high register, easy response. Suitable for strenuous all-around work by players with narrow lips.

Smaller than the No.7C, easy responding for those who lie to “take it easy” but want a rather brilliant tone (1982).

9D Medium
shallow
16.05 mm Medium wide, lowered toward the outside.

Similar in size to No. 9 and in tone to the more brilliant No. 7D. Players with narrow, sensitive lips get satisfactory results with this model. Recommended for the extreme high register.

10 Deep 16.00 mm Fairly wide with rather broad, flat surface.

Similar to No. 7, but smaller in size and with a broad, flat rim. Suitable for players with fleshy, soft lips.

10B Medium 16.00 mm Fairly wide with rather deep broad, flat surface.

Same size as No. 10 but with warmer tone. Gives good results to players with heavy, thick lips—especially those who become easily fatigued.

10C* Medium 16.00 mm Fairly wide with rather broad, flat surface.

Same rim as No. 10, but with a medium C cup. Especially designed for high notes and sparkling brilliancy.

Broad, flat rim, “C” cup. Designed for high notes and sparkling brilliancy. (1982)

10.5A Very
deep
15.90 mm Medium wide, well rounded.

Produces the mellow, rich lyric cornet tone favored by players of the Italian school.

10.5C* Medium 15.90 mm Medium wide.

Fine high register, resonating low register. Particularly useful to players without a strong embouchure. Ideal for C trumpet.

The best all-round mouthpiece for virtuoso performance. Used in many symphony orchestras and name bands. Will liked by women cornetists. (1982)

10.5CW Medium 15.90 mm Extra wide, high toward the inner edge.

Size, cup shape, and playing qualities are similar to the No.101.2C Cushion rim recommended for players who use heavy pressure.

Similar to the No. 10.5C, with wide rounded cushion rim. For players with heavy lips. (1982)

10.5D Medium
shallow
15.90 mm Medium wide, high toward the inner edge.

Similar in size to No. 101.2C, with a shallower cup for more brilliance and an easier high register.

Similar to the No. 10.5C in rim and cup diameter but a more brilliant, crisp tone. Excellent for pyrotechnics in dance orchestras. Good for D trumpet. Very popular for women cornetists. (1982)

10.5DW Medium
shallow
15.90 mm Extra wide, high
toward the inner edge.

Same depth of cup and diameter as No. 101.2D, with an extra wide cushion rim for players with fleshy lips.

10.5E Shallow 15.90 mm Medium wide, high toward the inner edge.

The same scintillating tone as No. 7E. Preferred by players with weak lips who have to play in the high register.

Still shallower than previous model, very brilliant and penetrating tone. For extreme high register work. (1982)

10.5EW Shallow 15.90 mm Extra wide, high toward the inner edge.

Cup diameter and shape are the same as No. 101.2E, but the extra wide rim offers support to players who have soft, fleshy lips and play continually in the extreme high register. Sometimes used for piccolo trumpet.

10.75A Very
deep
15.75 mm Medium wide, well rounded.

Slightly smaller cup diameter than No. 101.2A. Has the mellow, sweet tone generally used by players of the Italian school.

10.75CW Medium 15.75 mm Extra wide.

Cushion rim for players with thick, fleshy lips who are accustomed to using much pressure. There is no easier-blowing mouthpiece with such voluminous and brilliant tone.

Similar to the No. 10.5C, but with a shallower cup, semi custom rim. For “hot” trumpet players, especially with heavy lips. (1982)

10.75EW Shallow 15.75 mm Extra wide.

Shallower than No. 103.4CW to produce a very penetrating, glittering tone. For extreme high register work. Cushion rim.

Shallower than the 10.75CW. (1982)

11A Very
deep
15.70 mm Medium wide, well rounded.

A medium-small mouthpiece with a round, full, old-fashioned cornet tone.

11B Medium
deep
15.70 mm Medium wide, well rounded.

A medium-small mouthpiece with a beautiful, warm, clear tone. Responds very easily, especially in the upper register, for players with delicate embouchures.

11C Medium 15.70 mm Medium wide.

A beautiful brilliant C trumpet tone that requires little effort to play in the high register, yet with a free low range.

Slightly smaller, shallower cup; brilliant tone; for a weak embouchure. (1982)

11D Medium
shallow
15.70 mm Medium wide, well rounded.

Produces a brilliant tone, effective in the high register. Good for players not having a strong embouchure.

11DW Medium
shallow
15.70 mm Extra wide.

Players with thick, fleshy lips, especially those who can not rely on the strength of their lip muscles, can use this cushion rim mouthpiece to advantage. Produces crisp, easy top tones.

Similar size to No. 11-C, but slightly shallower, wide cushion rim for players with very thick lips. (1982)

11EW Shallow 15.70 mm Extra wide, rather high toward the inner edge.

A cushion-rim mouthpiece especially designed for the extreme high register. Because of the extra shallow cup, the tone is very brilliant, piercing, and cuts well. For players who have heavier than normal pressure in the high register.

Like the No. 11-DW, still shallower cup; wide cushion rim for players with very thick lips. (1982)

111.2A Very
deep
15.65 mm Medium wide, well rounded.

Similar to No. 11A, but slightly smaller. Produces a rich, round tone.

111.2C Medium 15.65 mm Medium wide.

A brilliant, scintillating tone, very easy response and good all around register.

113.4C Medium 15.60 mm Medium wide, well rounded.

Easy playing, with a compact, brilliant tone. Recommended for players with sensitive embouchures and narrow lips.

113.4CW Medium 15.60 mm Fairly wide, rather flat, not too sharp.

A cushion rim for players with soft, fleshy lips who rely on above average pressure. Responds easily in the high register.

12 Deep 15.20 mm Broad, rather flat.

This popular model produces a full, mellow tone. A good choice for players of the English or Italian school who are accustomed to small mouthpieces and players with heavy, weak lips.

12B Medium
deep
15.20 mm Broad, rather flat.

The same rim as No. 12, with a slightly shallower cup to make the tone more lively. High register responds well.

12C Medium 15.20 mm Broad, rather flat.

Brilliant tone, easy high register for trumpeters who have to play forte in the upper range and for players with heavy, weak lips who have difficulty with the high tones.

A smaller-sized mouthpieces for playing in the high register. (1982)

12CW Medium 15.20 mm Broad, rather flat toward the inside.

Cup diameter and depth are the same as No. 12C, extra wide cushion rim.

Similar to the No. 12-C, but having a wide cushion rim. (1982)

17 Deep 15.10 mm Medium wide.

A small mouthpiece with a solid, compact tone. Players with thin lips find this model highly satisfactory.

17C Medium 15.10 mm Medium wide.

A lively, clear and brilliant tone, for players with thin lips whose embouchures tire easily.

18 Deep 15.10 mm Broad, rather flat.

Has the same cup as No. 17, but a wider rim. Players of the old Italian or English school having heavy, soft lips and a rather sensitive embouchure choose this model.

18C Medium 15.10 mm Broad, rather flat.

Same cup design as No. 17C, with a wider and flatter rim to distribute pressure over a larger surface.

20C Medium 15.00 mm Medium wide.

A very small mouthpiece, recommended only to players who have extremely weak or delicate lips.

 

Bach Backbore Configuration – Bb Trumpets

Cup Marking No Letter A B C D E F V
Std. Backbore 10 24 7 10 76 117 76 25

Bach Backbore Configuration – Flugelhorn

Flugelhorn Standard Custom
Backbore 112 119

 

Bach Backbore Description [2]
Below is a summary of various comments related to the various backbore configurations used in Bach mouthpieces.

Backbore Description
7 Standard with the B cups. This is a more open backbore than the #10. A lot of people like it for orchestral playing, and such.  Dark, Schmitt style.
 10 The standard backbore with C cups. It’s generally middle-of-the-road out of the box. Some guys like it for orchestra, some guys play lead on it, etc. I’ve used backbores of this configuration for pretty much everything myself.
24 Standard with the A cups, a bigger backbore than the #7. Also works very well for orchestral use, or balancing out a tight horn’s playing characteristics (as would the #7).  Bigger, darker, symphonic.
25 I don’t know anything about this one other than that it comes standard with all the V cups Bach makes.
 41 Bright, more resistant.
 57 Lively, helps raise pitch on some notes, good high register.
 76 Tighter than the rest, and good for applications of commercial playing, or use on an open horn (it balances the blowout to something middle-of-the-road). This comes standard on the D cups.  Bright edgy sound; helps upper register.
 87 Big, free blowing.
112 Std. flugelhorn mouthpiece backbore.
 117 This is a really open backbore, coming standard on the E cups with the assumption the player’s going to use it on a tight horn most of the time (piccolo, for a lot of people). Some people (like Michael Sachs) like it as an orchestral backbore.  Favors the upper register, standard piccolo trumpet backbore
119 More resistance, brighter.  Available on flugelhorn mouthpieces

[2] from Chris King thread @ TrumpetHerald

 

Bach Throat Size Configurations

Numbers and letters are drill bit sizes. The smaller the number, the larger the throat. Generally, larger throats make freer-blowing mouthpieces with more volume possible. However, as the throat size increases, the upper register tends to sharpen; the player may tire more quickly.

Standard
Trumpet
Std. Megatone
Trumpet
Std. Megatone
Flugelhorn
Drill 28 27 26 25 24 22 21 20
3.57mm 3.66mm 3.73mm 3.81mm 3.86mm 3.99mm 4.04mm 4.09mm
0.141″ 0.144″ 0.147″ 0.150″ 0.152″ 0.157″ 0.159″ 0.161″

 

 

Sources:

© Conn Selmer, Inc.
© Chris King, TrumpetHerald
© 2005, Michael Camilleri

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