Large shank symphony tenor/bass trombone mouthpieces in gold plate.

Bach Trombone Mouthpiece, Large Shank in Gold Features:

• 28.00mm approximate cup diameter
• Deep cup depth
• Extra large and deep for extraordinary power and depth of tone. Among the largest and most powerful bass trombone mouthpieces produced today. .319" throat/800S backbore.
• Medium thin, well-rounded rim shape

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