Mouthpiece, Trombone Large Shank, Bach Silver Plate, 4G Cup: Deep, Cup Diameter: 26.00mm
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. 1-1/4
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4 of 4 found the following review helpful:
A Mouthpiece that Offers Versitility.Feb 01, 2012
By jagon91 I have been playing on the Bach 4G mouthpiece for eight years now; first as a high school player and then through college. While there is no "one size fits all" mouthpiece I can say that the Bach 4G is excellent for a player who has to utilize one mouthpiece to play in the upper and the lower register. Through college I played first tenor in wind symphony and bass in orchestra and never had a day of trouble. Definitely worth a shot if you find yourself needing that kind or versatility or even if you're a full time bass trombone player.