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dimensions
Length: 5′ 7″ (170 cm)
Width: 57¾” (147 cm)
Net Weight: 603 lbs (274 kg)
braces
3 solid spruce with a volume of 1,196 cu. In. (19,597cm3); Spruce provides tensile strength with less weight. Maple dowels fasten braces to rim & crossblock producing a single homogenous foundation upon which is built the tonal component. Note: Treble bell is not required in smaller grands of lesser tensions.
scale
Overstrung; combination agraffe; Front AND rear duplex.
Tension: 33,823 lbs. (15,040 kg)
ribs
Made from durable, resinous sugar pine to assure strong and constant support of string down-bearing on the soundboard; rib ends are hand-fitted.
tuning pins
Premium blued steel; rust-resistant, nickeled heads
strings
Treble: eleven whole & one-half sizes from high-tensile Swedish steel.
Bass: Swedish steel core wire wound with pure copper.
Longest: Agraffe/bridge: 49¼” (125 cm)
hammers
Premium wool top felt and under felt; treated to resist insects and moisture. Compression-wired to maintain permanent shape. Hornbeam hammer moldings and shanks.
dampers
Horizontal-cut premium wool for effective dampening with maple heads for endurance.
keys
European spruce, individually weighed-off. Chip-proof, stain-resistant coverings for naturals; slip-proof, adbraded ebonized sharps. Durable Linden wood buttons reinforce keys over balance rail, permitting maximum tonal power with every strike. Longest key: 19″ (48.3 cm).
keybed
Made from planks of quarter-sawn spruce. Horizonal and vertical birch planks present a vented system for humidity escapement. Crowned and reverse-crowned action frame gives a snug fit, intensifies key movement and prevents “slapping” during heavy playing. Large maple dowel ends provide a solid mount for adjustable brass touch-regulating screws. Thickness: 1¾” (4.45 cm).
pedals
Heavy, solid brass. Soft, sustaining, and full sostenuto.
