|COLOR||Ebonised High Polish|
|NUMBER OF KEYS 7¼||88|
Measuring 227 cm in length, this concert grand offers a large variety of sound and touch from soft piano to strong forte, from clear treble to deep bass.
Made entirely from hard rock maple; 16 laminations; continuous bent, both inner & outer form one single rim; unequaled strength & stability. Thickness: 2 3/4" (6.99 cm)
4 solid spruce with a volume of 2,265 cu. in. (37,117cm3); Spruce provides tensile strength with less weight. Maple dowels fasten braces to rim producing a single homogenous foundation upon which is built the entire tonal component. A cast iron treble bell, affixed to rim's underside at treble bend, holds plate firmly in position by means of a steel bolt. The S & S iron wedge anchors brace ends securely to crossblock assuring permanent rim posture.
Hexagrip patented design; 7 laminations of quartered hardrock maple stock. Grain symmetrically distributed at successive angles of 45° or 90° employing grain direction uniformly around the circumference of the tuning pin to provide the ultimate in pin grippage. As a result of this exclusive design, the tuning pin has smoother movement under torque, a more uniform retaining action for solid setting, and a piano which will hold its tuning longer.
Created like the soundboard of violins to give a free and even response throughout the entire scale, it is so constructed as to be 8 mm thick in the center and tapered to 5 mm as it approaches the rim and outer case before being DOUBLE CROWNED. This design permits complete freedom of movement, while acting as a homogenous unit to displace a greater amount of air, thereby creating a richer and more lasting tonal response. Close-grained, quarter-sawn Sitka spruce, a wood having unusual stability and vibrance under stress and vibration, is used exclusively for the soundboard.
Made from durable, resinous sugar pine to assure strong and constant support of string down-bearing on the soundboard. Rib ends are hand-fitted into their mounting surfaces virtually locking in the important soundboard crown.
Treble: Hard rock maple vertical laminations capped with solid hard rock maple; planed to prescribed height, graphite coated, drilled, and notched by hand for precise individual string bearing. Design defies splitting. Bass: Continuous with treble. Maple doweled, glued, and screwed to soundboard.
Overstrung; combination agraffe; Front AND rear duplex. Tension: 39,047 lbs. (17,571 kg)
Sturdy gray iron; filled, hand-milled, and sealed; bronzed and lacquered.
Premium blued steel with rust-resistant, nickeled heads.
TREBLE: Twelve whole & one-half sizes from high-tensile Swedish steel. BASS: Swedish steel core wire wound with pure copper. Longest, agraffe/bridge: 59 1/4" (151 cm)
16.5-pound (7.48 kg) premium wool top felt over premium wool under felt; treated to resist insects and moisture. Compression-wired to retain permanent shape. Hard birch moldings. Shanks from select resilient maple.
Horizontal-cut premium wool for effective dampening. Maple heads for endurance.
White, quarter-sawn maple parts are bushed with specially treated wool action cloth for freedom from friction. Parts are anchored in hard maple dowels housed in inflexible seamless brass tubing to assure precise & stable regulation. Exclusive single, combination phosphor bronze repetition and fly spring provides constant crisp touch response. Specially designed to respond 14% faster fortissimo & 6% faster pianissimo by using an exclusive combination of half-round balance rail bearings and strategically placed key leads.
Bavarian spruce, individually weighed-off. Chip-proof, stain-resistant coverings for naturals; slip-proof, delicately abraded ebonized sharps. Tough, durable Linden wood buttons reinforce keys over balance rail permitting maximum tonal power with every strike. Longest: 21" (53.3 cm)
Made from planks of stable, quarter-sawn spruce. Horizontal planks are freely mortised together, while their ends are permanently mortised into vertical planks, presenting a vented system for humidity escapement while allowing for necessary expansion and contraction. Front center is crowned contrasting the reverse-crowned action frame for snug fit. This design intensifies key movement and prevents "slapping" during heavy playing. Large maple dowel ends provide a solid mount for adjustable brass touch-regulating screws. Thickness: 1-3/4" (4.45 cm)
Heavy, solid brass. Soft, sustaining, and full sostenuto.
In addition to the ﬁnishes listed above, all Steinway & Sons pianos are available in any of our Crown Jewel veneers, to meet the individual tastes of discerning customers.
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