Osmun Standard Horn Cup

, 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

Equipment – James Boldin's Horn World

, 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

Schmid Digital French Horn Mouthpiece - Osmun Music

Bach Artisan Series Trumpet Mouthpiece - Osmun Music

Mundstücke der Marke Osmun - Finke Horns

Osmun Symphonic Trumpet Mouthpiece Visualizer - Osmun Music

Used Laskey 80Ee French Horn [29790]

Blessing BBH-1287 3-Valve Baritone Horn - Osmun Music

Stork Myers Series French Horn Mouthpiece - Osmun Music

Geyer Replica Rim - Osmun Music

Conn French Horn Mouthpiece - Osmun Music

Mouthpieces and the Descant (and Triple) Horn, part I: Why Standard may be Too Big, Horn Matters, A French Horn and Brass Site and Resource