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Bach 3416HAL Large Shank Trombone Mouthpiece - 6 1/2AL

Special order item - 7-10 day lead time

Bach mouthpieces are designed to meet every conceivable playing need and have for nearly three quarters of a century. A Bach mouthpiece can make a good instrument play better. Volume and excellent intonation; ease of response in the high and low register; rich, uniform timbre throughout the range; resistance calculated to increase the player's endurance - these characteristics explain why the best professional artists choose Bach. 


Model No. / Depth of Cup / Approx. Cup Dia. / Rim Shape / Throat / Backbore / Description

  • 1G / Deep / 28.00mm / 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 / 27.50mm / 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 / 27.50mm / 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 / 27.00mm / 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 / 27.00mm / 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 / 26.75mm / Medium narrow / .276" / 429
    Deep, full, resonant tone. Big low register even through the pedal tones.
  • 3G / Deep / 26.26mm / 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 / 26.00mm / 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 / 26.00mm / Medium thin, very well rounded / .276" / 429
    Same cup, throat and backbore as the No. 4G with a more rounded rim.
  • 5G / Deep / 25.50mm / 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 / 25.50mm / Medium wide, semi-flat / .276" / 429
    Old style, shallower model than No. 5G, facilitates upper range.
  • 5GB / Deep / 25.50mm / Medium thin, very well rounded / .276" / 429
    Same cup, throat and backbore as the No. 5G with a more rounded rim.
  • 5GS / Medium deep / 25.50mm / 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 / 25.40mm / 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 / 25.40mm / 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 / 25.40mm / 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.