We are always looking for more information on the Bach trombone mouthpiece line through the years. Our goal is to summarize all of the different marketing of these mouthpieces.
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Bach Trombone Mouthpieces – Model Catalog
Catalog No. 341 Trombone
Catalog No. 350 Small Shank Tenor Trombone, Baritone & Euphonium Mouthpieces
Catalog No. K350 Mega Tone® Small Shank Tenor Trombone, Baritone & Euphonium Mouthpieces
Catalog No. K341 Mega Tone® Large Shank Tenor & Bass Trombone Mouthpieces
Model No. |
Depth of Cup |
Approx. Cup Dia. |
Rim Shape |
Throat | Back Bore | Description |
1G | Deep | 28.00 mm | Medium thin, well rounded. | .319″ | 800S | Extra large and Deep for extraordinary power and depth of tone. Among the largest and most powerful bass trombone mouthpieces produced today. |
1 1/4G | Deep | 27.50 mm | Medium thin, well rounded. | .276″ | 429 | Cup diameter is smaller than No. 1G, but still very large and Deep, with the sonority preferred by the modern American school. |
1 1/4GM | Deep | 27.50 mm | Medium thin, well rounded. | .319″ | 800S | Same rim and cup as No. 1 1/4G, but with a larger throat and backbore for large, powerful sound, well in tune. |
1 1/2G | Deep | 27.00 mm | Medium wide, well rounded. | .276″ | 429 | A large mouthpiece with powerful tone in the low register and great carrying power. For many years, the standard mouthpiece for the serious bass trombone player. |
1 1/2GM | Deep | 27.00 mm | Medium wide, well rounded. | .319″ | 800S | Larger throat and backbore than the No. 1 1/2G results in less resistance, larger dynamic range, Deeper, warmer sound. |
2G | Deep | 26.75 mm | Medium narrow. | .276″ | 429 | Deep, full, resonant tone. Big low register even through the pedal tones. |
3G | Deep | 26.26 mm | Medium wide, well rounded. | .276″ | 429 | Same rim shape and diameter as No. 3 small shank tenor trombone, but with a Deep bass trombone cup, throat, and backbore to facilitate pedal tones.Same cup diameter and rim as the No. 3 tenor trombone mouthpiece, but with a deep bass trombone cup. Full, vibrant bass trombone tone of rich, dark timbre. Ideal for 3rd trombonist in symphonic band or symphony orchestra. Facilitates pedal tones. (1954) |
4G | Deep | 26.00 mm | Medium wide, slightly rounded. | .276″ | 429 | Same rim shape and diameter as No. 4 small shank tenor trombone. A versatile, large diameter mouthpiece especially useful when only one trombone is used for both the upper and very low register. |
4GB | Deep | 26.00 mm | Medium thin, very well rounded. | .276″ | 429 | Same cup, throat and backbore as the No. 4G with a more rounded rim. |
5G | Deep | 25.50 mm | Medium wide, semi-flat. | .276″ | 429 | Same rim shape and diameter as No. 5 small shank tenor trombone. Similar playing characteristics to No. 4G with a slightly smaller cup diameter. |
5GL | Medium Deep | 25.50 mm | Medium wide, semi-flat. | .276″ | 429 | Old style, shallower model than No. 5G, facilitates upper range. |
5GB | Deep | 25.50 mm | Medium thin, very well rounded. | .276″ | 429 | Same cup, throat and backbore as the No. 5G with a more rounded rim. |
5GS | Medium Deep | 25.50 mm | Medium wide, semi-flat. | .261″ “G” |
420 (modified) |
Shallower “G”-style cup with smaller throat and backbore than No. 5G produces easy high register, slightly brighter sound. |
6 1/2A | Medium Deep | 25.40 mm | Medium wide, well rounded. | .276″ | 429 | Same rim and cup as No. 6 1/2A small shank tenor trombone, but with full bass trombone throat and backbore for a rich, compact sound of large volume. |
6 1/2AL | Medium Deep | 25.40 mm | Medium wide, well rounded. | .261″ “G” |
420 | The same cup, throat, and backbore as No. 6 1/2AL small shank tenor trombone but with bass shank. It requires a well developed embouchure. |
6 1/2AM | Medium Deep | 25.40 mm | Medium wide, well rounded. | .257″ “F” |
413 | The same rim, cup, throat, and backbore as No. 6 1/2AM small shank tenor trombone mouthpiece, but with bass shank. |
Catalog No. 350 Small Shank Tenor Trombone, Baritone & Euphonium Mouthpieces | ||||||
3 | Medium deep | 26.26 mm | Medium wide, well rounded. | Extra-large cup for players with a robust embouchure. | ||
4 | Medium | 26.00 mm | Medium wide, well rounded. | Very large cup; principally used by players having healthy, strong embouchures. | ||
4C | Medium shallow | 25.75 mm | Medium wide, well rounded. | Large cup with a brilliant tone. Requires a powerful, natural embouchure. | ||
5 | Medium | 25.50 mm | Medium wide, semi-flat. | For players with good, natural embouchures. Rather large cup. Produces a full, mellow, sonorous tone. |
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5G | Deep | 25.50 mm | Medium wide, semi-flat. | Same as No. 350-5 except for .276″ throat and #429 backbore (same as No. 341-5G but with small shank). | ||
5GB | Deep | 25.50 mm | Medium thin, very well rounded. | Same as No. 350-5 except for thin rim (same as No. 341-5G but with small shank). | ||
5GS | Medium | 25.50 mm | Medium wide, semi-flat. | Same as No. 5 but with larger “G” throat and #420 backbore. | ||
6 | Medium | 25.50 mm | Medium wide, well rounded. | Fairly large cup. For players with a strong embouchure. Full, solid, mellow tone. | ||
6 1/2A | Medium deep | 25.40 mm | Medium wide, well rounded. | Slightly larger than medium with standard-size throat and backbore. Rich, compact tone of large volume. | ||
6 1/2AL | Medium deep | 25.40 mm | Medium wide, well rounded. | The same rim and cup as No. 6 1/2A, but with a larger “G” throat and #420 backbore for trombonists who strive for a Teutonic tone quality. Recommended for euphonium players who desire a round, mellow tone of great carrying power and substantial volume. | ||
6 1/2AM | Medium deep | 25.40 mm | Medium wide, well rounded. | Symphonic model tenor trombone mouthpiece features the same cup and rim as No. 6 1/2A, but with symphonic “F” throat and #413 backbore. | ||
6 3/4C | Medium shallow | 25.00 mm | Medium wide, well rounded. | Produces a full, clear, rather brilliant timbre. For trombonists with good, well-trained embouchures. | ||
7 | Medium | 24.75 mm | Medium wide, not too sharp. | The ideal mouthpiece for the artist desiring a beautiful, ringing tone with sufficient volume for melody playing. | ||
7C | Medium shallow | 24.75 mm | Medium wide, not too sharp. | Designed for players who prefer a medium-large cup to assure a large volume of tone. The rather shallow cup produces great brilliancy. | ||
8 | Medium | 24.75 mm | Slightly wide and flat. | Corresponds in cup design with No. 7, but with a wider rim. Players with heavier lips prefer this model. |
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8 1/2BW | Medium shallow | 24.75 mm | Very wide, well rounded. | For players with heavy lips who need support to prevent the rim from digging. Well liked by musicians who do strenuous work. Produces lively, brilliant tone with easy high register. |
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9 | Medium deep | 24.72 mm | Medium wide. | Possesses a beautiful, rich, rather mellow timbre. | ||
11 | Medium deep | 24.70 mm | Medium wide. | Same style as No. 9 but slightly smaller. Produces a magnificent round tone of great carrying power. An excellent model for euphonium and baritone players. | ||
11C | Medium shallow | 24.70 mm | Medium wide. | Same size as No. 11 but with a medium shallow cup for a brilliant ringing tone of large volume. | ||
12 | Medium | 24.50 mm | Medium wide. | An excellent all-around mouthpiece. Combines a fine, solid, dark tone, excellent flexibility, great volume and easy response. | ||
12C | Medium | 24.50 mm | Medium wide. | Same size and rim as No. 12 but with a more brilliant, crisp tone. The best selling model for all-around playing. | ||
12E | Very shallow | 24.50 mm | Medium wide. | This model, designed principally for Eb alto trombone, can be used on Bb trombone or bass trumpet when a brilliant, brassy tone is desirable. Also recommended for use in the extreme high register. | ||
14D | Shallow | 24.50 mm | Medium wide. | Well suited for playing in the high register. Very effective for coloratura work. | ||
14 1/2D | Shallow | 24.50 mm | Medium wide. | Small, shallow cup and wider rim aid the high register while producing a clear, lively tone. | ||
15 | Medium deep | 24.40 mm | Medium wide. | A full-toned mouthpiece of mellow timbre. | ||
15C | Medium shallow | 24.40 mm | Medium wide. | Medium shallow cup produces a clear, lively tone. Players with thin lips or weak embouchures will find it helpful. | ||
15CW | Medium shallow | 24.40 mm | Very wide, well rounded. | Designed for great brilliancy and resistance to facilitate the very high tones. The wide cushion rim distributes pressure—an advantage to players with soft, fleshy lips. | ||
15D | Shallow | 24.40 mm | Medium wide. | Has a rim similar to No. 15C but the shallower cup produces a clear, crisp tone, effective in the extreme high register. | ||
15E | Very shallow | 24.40 mm | Medium wide. | Designed for Eb alto trombone but used also by players who continually play in the extreme high register. Also used for bass trumpet where a martial tone quality is desired. | ||
15EW | Very shallow | 24.30 mm | Extra wide cushion, well rounded. | The choice of artists who play in the extreme high register for long hours. Produces a brilliant, piercing tone. | ||
Catalog No. K350 Mega Tone® Small Shank Tenor Trombone, Baritone & Euphonium Mouthpieces | ||||||
4 | Medium | 26.00 mm | Medium wide, well rounded. | Very large cup; principally used by players having healthy, strong embouchures. | ||
5 | Medium | 25.50 mm | Medium wide, semi-flat. | For players with good, natural embouchures. Rather large cup. Produces a full, mellow, sonorous tone. | ||
5GS | Medium | 25.50 mm | Medium wide, semi-flat. | Same as No. 5, but with larger “G” (1 7/64″) throat and #420 backbore. | ||
6 1/2A | Medium Deep | 25.40 mm | Medium wide, well rounded. | Slightly larger than medium with standard size throat and backbore. Rich, compact tone of large volume. | ||
6 1/2AL | Medium Deep |
25.40 mm | Medium wide, well rounded. | The same rim and cup as No. 6 1/2A, but with “G” (1 7/64″) throat and #420 backbore, for trombonists who strive for a Teutonic tone quality. | ||
6 1/2AM | Medium Deep | 25.40 mm | Medium wide, well rounded. | Symphonic model tenor trombone mouthpiece features the same cup and rim as No. 6 1/2A, but with symphonic throat and backbore. | ||
7C | Medium shallow | 24.75 mm | Medium wide, not too sharp. | For players who prefer a medium-large cup to assure a large volume of tone. Rather shallow cup produces great brilliancy. | ||
11C | Medium shallow | 24.70 mm | Medium wide. | Medium shallow cup produces a brilliant ringing tone of large volume. | ||
Catalog No. K341 Mega Tone® Large Shank Tenor & Bass Trombone Mouthpieces | ||||||
1G | Deep | 28.00 mm | Medium thin, well rounded. | .319″ | 800S | Extra large and Deep for extraordinary power and depth of tone. Among the largest and most powerful bass trombone mouthpieces produced today. |
1 1/4GM | Deep | 27.50 mm | Medium thin, well rounded. | .302″ “N” |
800S | Same rim and cup as No. 1 1/4G, but with a larger throat and backbore for a large, powerful sound, well in tune. |
1 1/2G | Deep | 27.00 mm | Medium wide, well rounded. | .277″ “J” |
429 | A large mouthpiece with a powerful tone in the low register and great carrying power. For many years, the standard mouthpiece for the serious bass trombone player. |
1 1/2GM | Deep | 27.00 mm | Medium wide, well rounded. | .302″ “N” |
800S | Larger throat and backbore than No. 1 1/2G results in less resistance, larger dynamic range, Deeper, warmer sound. |
4G | Deep | 26.00 mm | Medium wide, slightly rounded. | .277″ | 429 | Same rim shape and diameter as No. 4 small shank tenor trombone. Versatile, large diameter mouthpiece especially useful when only one trombone is used for both the upper and very low register. |
5G | Deep | 25.50 mm | Medium wide, semi-flat. | .277″ “J” |
429 | Same rim shape and diameter as No. 5 small shank tenor trombone. Fairly large and Deep, with a dark, mellow tone, favoring the low register. |
5GS | Medium | 25.50 mm | Medium wide, semi flat. | .265″ 17/64″ |
420 | Same rim and cup as No. 5G but with 17/64″ throat and #420 backbore. |
6 1/2A | Medium Deep | 25.40 mm | Medium wide, well rounded. | .277″ | 429 | Same rim and cup as No. 6 1/2A small shank tenor trombone, but with a full bass trombone throat and backbore for a rich, compact sound of large volume. |
6 1/2AL | Medium Deep | 25.40 mm | Medium wide, well rounded. | .265″ 1 7/64″ |
420 | Same specifications as No. 6 1/2AL small shank tenor trombone but with .265″ throat. Requires well-developed embouchure. |
Sources:
© Conn Selmer, Inc.