Yamaha YM-2400 Owner's Manual - Page 4
Yamaha Concert Marimba Features - ym 2400r
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Thank you for purchasing a YAMAHA concert marimbas. Exhaustive research by Yamaha technicians and craftsmen focusing on tone quality and playability, has led to the design and creation of these marimbas, using select, high quality materials, and Yamaha's original FRP Acoustalon. We are convinced that you will enjoy playing your instrument that produces spreading and yet deep sounds as well as rich volume to your content. This manual describes proper use of YAMAHA concert marimbas. Please read it thoroughly to ensure that your instrument will give you enjoyment for a long time. Yamaha Concert Marimba Features 1. High-Quality Tone Bars Tone bars are made of rosewood, which delivers an ideal marimba tone and timbre, and African padauk, which offers a rich sound that is soft and deep. After allowing the woods to dry naturally over time, only the finest select pieces are selected for use in making the tone bars. Type F models use Yamaha's FRP Acoustalon tone bars that have a unique semi-hollow design. These bars deliver a clear sound that is extremely close to the sound produced by high-quality rosewood. It offers excellent projection, and full volume. Compared to wood tone bars, Acoustalon is highly weather resistant, being little affected by changes in temperature and humidity, which can alter the pitch. 2. Fine Tuning Tone bars are tuned by the highly refined ears and skills of our technicians and precision strobe tuners in an environmentally controlled room in which both temperature and humidity are kept constant. Precise tuning of the harmonic overtones, which determine timbre, results in stable pitch and tone without any unevenness. 3. Easy Assembly/Disassembly The instrument is designed to offer easy assembly and disassembly to provide convenient storing and transport. The YM-460/460F/410D/46/2400/2400R utilize folding designs with two-section frames and pipes to provide the utmost in compact convenience. 24 4. Height Adjustment (YM-460/460F/410/410F/2400/2400R) Height adjustable models offer smooth height adjustment. Locking screws fit into channels on leg pipes to eliminate slippage ad looseness. The YM-460/460F/2400/2400R offers a 5-step height adjustment that goes from 89cm at its lowest position, to 97cm at its highest. Since the YM410/410F is adjustable in 7-steps, from 76cm to 88cm, it promotes proper playing posture from children to adults. 5. Large Casters Large 100mm-diameter casters offer smoother transport. (YM-46 and 41 utilize 75mm-diameter casters). 6. 3-Step Height Adjustment for Resonator Pipes Resonator height can be adjusted in 3-steps to avoid loss of ideal resonance due to temperature changes. (The YM-41 only provides 2-step adjustment.)