The GP Series mouthpieces feature an innovative shape and extra-heavy 24k gold-plate finish for players who prefer a focused, concentrated tonal core.
Well-balanced rim and cup with a fairly narrow backbore. Meets the needs of professional players.
Plenty of volume and power. Solid tone throughout the instrument's range.
25.2mm inner diameter
standard cup depth
25.23mm inner diameter
Standard cup depth
Trombone Mouthpiece Gold-Plated Rim and Cup (Large Shank)
48: Bach 6-1/2AL, Denis Wick 6BL
51C4: Bach 5G, with slightly shallower cup
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I am very satisfied with this product.
Yamaha Trombone Mouthpiece Gold-Plated Rim and Cup (Large Shank) 48