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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Backbore inner diameter: 11mm/0
The combination of a unique rim
and doubling situations without feeling tight or stuffy
Inner Diameter: 33mm/1
you can easily alternate between buzzing and playing your instrument by switching the mouthpiece
Mercer and Barker GW4 Euphonium Mouthpiece discount Backbore inner diameter: 11mm/0Used Mercer & Barker GW4 Euphonium Mouthpiece Excellent Condition Up for sale is a premium, precision engineered Mercer & Barker GW4 Euphonium Mouthpiece (Large Shank). Known for their top tier British craftsmanship, Mercer & Barker mouthpieces are highly sought after by elite brass players for their ability to significantly enhance core sound, adaptability, and intonation stability across all registers. Why Players Love the GW4 The GW4 is Mercer &
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