Mercer and Barker GW4 Euphonium Mouthpiece

Used 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 & Barker’s classic euphonium design, specifically engineered for exceptional tone production and pitch precision. It offers a beautifully balanced, full-bodied sound that helps fill out the horn effortlessly. It is an incredibly versatile choice, making it equally brilliant for soloistic performances, brass bands, wind ensembles, or orchestral playing.

Specifications:

 Cup Diameter: 26.00 mm

 Rim Width: 6.70 mm

 Throat/Bore: 7.38 mm

 Size Comparison: Similar in feel and profile to a Denis Wick SM4 / 4AL, Alliance DC3, or Bach 4G.

Condition Report

This particular mouthpiece is in really good pre-owned condition.

 Body & Components: All components of the mouthpiece are structurally sound and in great shape.

 Rim & Cup: The rim and cup are in really good condition, ensuring maximum lip comfort and an unaltered playing experience.

 Shank: Shows normal signs of cosmetic wear and tear, primarily typical insertion marks from being placed in the instrument receiver. This is completely standard for a used mouthpiece and has zero impact on the seal, airflow, or performance.

Policy

 All Sales Are Final. Please review the descriptions and specifications carefully before purchasing.

Don't miss the chance to add this premium piece of British engineering to your setup at a great used value!