The Hans Hoyer K10 F/Bb Double horn is the newest innovation for the orchestra. The design was developed in close cooperation with Markus Wittgens, Principal horn in the Gurzenich Orchestra in Cologne and is a member of the Bayreuth Festival Orchestra.

The K10 has a well-orchestrated middle range and a greatly responsive low register. An unknown ease in the higher area is obtained with a light rotary valve set., a full-flow switch valve, and an individually adjustable mouthpiece receiver – a pleasant, well-balanced set up for any professional.


Custom Horn


  • Key : F/Bb
  • Bore : .468"
  • Bell : 12.204" hand-hammered medium-large (ML) throat, detachable
  • Valves : 4 conical rotory valves, 3B linkage system
  • Features : Interchangeable mouthpiece receiver system (includes 6 tapers), full-flow switch valve, detachable gold brass leadpipe, yellow brass body, 3D adjustable finger hook, adjustable thumb lever and hand rest (flipper)
  • Finish : Unlacquered
  • Case : Deluxe Brazilian lightweight backpack-style case
  • Accessories : Mouthpiece, rotor oil, slide grease, torx/Alan wrenches, cleaning cloth
  • Options :
  • K10A : Yellow brass, clear lacquer
  • K10GA : Gold brass, unlacquered
  • K10GA-1 : Gold brass, clear lacquer
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