Osmun Standard Horn Cup - Osmun Music

We specialize in professional grade trumpets, horns, accessories, and repairs. Custom brass mouthpieces are a specialty.

Richard Todd Horn Signature Cup - Osmun Music

Brass Ark - For Sale

Richard Todd Signature Rim - Osmun Music

Jon Talks Trumpet

Giardinelli Replica Rim - Osmun Music

Geyer Replica Rim - Osmun Music

Etudes – James Boldin's Horn World

From the Mailbag: Big Horn, Big Mouthpiece? [Updated], Horn Matters, A French Horn and Brass Site and Resource

, Our standard mouthpiece cups measure .650 (16.5mm) in diameter at the joint where the cup and rim meet and have .750-36 threads, making them

Osmun Standard Horn Cup

Osmun horn mouthpieces are the result of many years of playing and working with horn players.

Osmun Music Osmun French Horn Mouthpiece Cup

Mundstücke der Marke Osmun - Finke Horns, mundstück

Brass Ark - For Sale

Osmun Music-Brass Instruments/Accessories/Mouthpieces

, Our Star mouthpiece cups have 1mm thick cup walls which follow the contour of the inner cup. This harkens back to the days of sheet metal

Osmun Ultra Horn Cup

, Our standard rims measure .650 where they meet the cup and have Giardinelli standard .750-36 threads. They fit our standard cups as well as those

Osmun Standard Horn Rim