Vincent Bach Large Shank Silver Plated Trombone or Euphonium Mouthpiece - Select a Size - Demo

Large Shank mouthpieces typically fit some medium bore trombones, some euphoniums, and most bass trombones. Model No. / Depth of Cup / Approx. Cup Dia. / Rim Shape / Throat / Backbore / 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.112G 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. 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.612A 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.612AL 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.612AM small shank tenor trombone mouthpiece, but with bass shank.

Vincent Bach Large Shank Silver Plated Trombone or Euphonium Mouthpiece - Select a Size - Demo

  Large Shank mouthpieces typically fit some medium bore trombones, some euphoniums, and most bass trombones.  

  • Model No. / Depth of Cup / Approx. Cup Dia. / Rim Shape / Throat / Backbore / 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.112G 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.
  •   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 uséd 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.612A 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.612AL 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.612AM small shank tenor trombone mouthpiece, but with bass shank.
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