Yamaha Custom Horn, YHR-871D

Custom Horn; key of F/Bb; "Geyer" style; .472" bore; medium-large throat; yellow-brass bell; detachable; water key; hollow fourth rotor; 32C4 mouthpiece

Custom Horn; key of F/Bb; "Geyer" style; .472" bore; medium-large throat; gold-brass bell; detachable; water key; hollow fourth rotor; 32C4 mouthpiece

Professional Horn; key of F/Bb; "Geyer" style; lacquered; nickel-plated brass rotary valve caps; Bb valve slide ring; HRC-667 case; 32C4 mouthpiece

Standard Horn; key of Bb; Single; .472" bore; 12-1/8" bell; 4th rotary A/plus stop valve; HRC-35 case; 32C4 mouthpiece

Custom Horn; key of F/Bb/high F; "Triple"; .detachable bell; 472" bore; 12-1/8" medium large throat; yellow brass; hand-hammered bell; 5 hollow rotary valves; patented 4th rotor "Dual Plane Valve";...