Kèn Frenchhorns Yamaha YHR891.
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.
Hand-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.
Hollow, Phospher-bronze Rotors.
Hollow, phosphor-bronze rotors provide a quick, free response are extremely corrosion resistant.
Innovative valve tubing configuration.
The combination of the long rotor valve, dual plane valve, and tubing configuration create a unique shape and size for the triple horn.
Thông Số Chi Tiết.
| Model | YHR-891 | 
| Specifications | 
| Level | Custom Triple | 
| Key | F / Bb / High F | 
| Style | Triple | 
| Bore | 0.472" | 
| Bell Diameter | 12 1/8" | 
| Bell throat | Medium large | 
| Leadpipe Material | Gold brass | 
| Body/ Bell Material | Yellow brass | 
| Bell Type | Fixed | 
| Finish | Unlacquered | 
| Mouthpiece | 32C4 | 
| Rotors | (5) Hollow phosphor bronze;(6) with A+ stop valve (YHR-892) | 
| Rotor Casing | Nickel silver | 
| Lever Action | String | 
| Water Key | Yes | 
| Features | Patented "Dual Plane" 4th rotor;A+ stop valve (YHR-892) | 
                          Xin mời liên hệ Việt Music để nhận tư vấn và biết thêm thông tin về sản phẩm Kèn French Horns Yamaha YHR891.