Yamaha YM4900A 4.5 Octave Pro Marimba

Yamaha Professional Rosewood Marimbas
Yamaha's exclusive tuning method ensures true pitch
    and full sound
4.5 Octave
Honduran Rosewood bars; Graduated tone bars    
    promotes full tone quality and projection
Cut-away designed resonators featuring 3-position
    tracking system allows resonator height adjustment
    for pitch and tone control. Nut/bolt
    and welded resonators with denser alloys and thicker
    walls maximizes the tone and ensures rattle free play.
Gas shock height adjustable frame. Pneumatic struts allow height adjustments to be made easily by one person.

Range:  F21-C76, 4.5 octaves
Bars:  Honduran rosewood
Bar sizes:  Graduating 2.5" - 1 5/8" wide; 1" - 3/4" thick
Resonators: Brushed tan finish with special shapes,
    denser alloy and thicker walls
Height adjustable:  33 7/8" - 39.5"
Dimensions:  92.5" x 37.75"
Weight:  171.75 lbs
Casters: 4" Oversized
Pitch: A=442Hz