Pre-1974 B&H and Willson. Classic euphonium mouthpiece - old fitting.
4AM: Medium shank; 26mm cup diameter; 6.72mm rim width; 7.38mm throat; Barrel backbore. Designed to fit Pre-1974 B&H and Willson instruments. Classic euphonium mouthpiece for an open sound with clear attacks and focused low register.
4AY: USA large shank; 26mm cup diameter; 6.72mm rim width; 7.38mm throat; Medium backbore. Designed for USA or Japanese instruments. Classic design as the 4AM version; Focused low register with open sound.
6BM: Medium shank; 25.40mm cup diameter; 6.26mm rim width; 7.12mm throat; Medium backbore. Designed to fit Pre-1974 B&H and Willson instruments. True euphonium sound with clear high register and clean tone.
6BY: USA large shank; 25.40mm cup diameter; 6.26mm rim width; 7.12mm throat; Medium backbore. Nice tone with good high register.
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Processing time: 1-2 Days
Shipping time: 3-5 Days(According to the logistics method and delivery address)
Items can be returned or exchanged within 30 days !
