Yamaha 31D4 French Horn Mouthpiece
The Yamaha 31D4 French Horn Mouthpiece is a semi-deep double shaped cup.
Inner Rim Diameter is 17.28mm (17.25mm) and the bore is #15.x 4.50mm.
Yamaha mouthpieces are a product of the inspiration of some of the world's finest musicians and state-of the-art computer controlled manufacturing techniques. They are available in a wide selection of sizes and shapes to satisfy your unique individual needs.
Made in Japan.
Silver Plated mouthpieces typically in stock.
Please allow 2 weeks delivery for Gold Plating.