Yamaha YHR-668NDII Double French Horn

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This orchestral French horn is designed for players who prefer the strong sound of a large bell instrument. Characterized by deep, warm tone colors, the 668 features secure note centers and impeccable intonation. It is available in yellow brass or nickel-silver.

Hand-lapped rotary valves and slides

Rotary valves and slides that have been hand-lapped are airtight and have smooth action.

Articulated key levers

Articulated key levers have responsive motion.

Hammered and annealed bell

Hammering and annealing are processes so important to the instrument's acoustic characteristics that Yamaha employs computer-controlled equipment to ensure consistently superior sound. Hammering enables bells to have a rich, resonant tone that blends beautifully with other instruments. Annealing is a cooling and heating process that makes it easier to control the acoustics of the instrument.

Cyclical bore

A cyclical bore is a perfectly cylindrical tubing assembly in combination with a conical leadpipe and bell system. This allows for consistent air flow throughout the horn.

Tapered valves

Tapered valves wear for a long time without air leakage.

Deep, warm tone colors


Secure note centers


Excellent sound in all registers

The combination of the secure high register, strong projection, and quick attack of the Bb horn with the rich, warm timbre of the F horn make the double horn ideal for most playing situations.

Available features

The YHR-668II horn is available in nickel silver (YHR-668NII; both models are available with a detachable bell (YHR-668DII and YHR-668NDII).

Bell Size
Bell Type
Bore Size
Number of Valves
Valve Rotors
Lever Action
Key F/Bb F/Bb F/Bb F/Bb
Body Yellow brass Nickel silver Yellow brass Nickel silver
Bell Size LL LL LL LL
Bell Type Fixed Fixed Detachable Detachable
Bore Size 12mm (0.472") 12mm (0.472") 12mm (0.472") 12mm (0.472")
Number of Valves 4 4 4 4
Valve Rotors Solid Solid Solid Solid
Lever Action String String String String
Finish Clear lacquer Clear lacquer Clear lacquer Clear lacquer
Mouthpiece HR-30D4 HR-30D4 HR-30D4 HR-30D4
Case Included Included Included Included
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