At 5′ 1″ (155 cm), this piano is the smallest of the Steinway grands. This design was introduced in the 1930s to invite the majesty of the Steinway sound into almost any space.
“Probably the central thing about Steinway
for me is the singing, sustaining tone…
The tone that has personality, that’s human,
that’s not ‘just a sound’ but seems to have a kind of life of its own.”
specifications and DESIGN
For more than a century and a half, the world’s most accomplished pianists have preferred to express their musical genius on Steinway & Sons pianos. The list includes the giants in classical, jazz, and popular music; the men and women who have shaped the world’s musical heritage. Today, more than 98 percent of the world’s active concert pianists choose to perform on Steinway pianos. The joy of playing and owning a Steinway piano, however, is not the exclusive domain of the virtuosi. Rather, it is a world open to all who share a love of music, fine craftsmanship and enduring quality.
That which distinguishes Steinway pianos, more than all else, is summed up in our dedication to a single ideal: make the finest pianos in the world. It has never entered our minds to compromise quality. Where some have substituted mass-produced, synthetic components to speed production or reduce costs, we apply technologies and new materials only when they provide proven enhancements in the piano. We adhere to these principles for one reason — compromise quality, and you risk the sound, the touch, and ultimately, the integrity of the instrument.
While we adhere to the traditional values of craftsmanship, Steinway & Sons has also consistently led through innovation. The very earliest pianos crafted by Steinway were distinguished by their inventive features — many of which helped define the modern piano. Today, each Steinway piano is a summation of our commitment to innovation. Each incorporates over 125 patented features and processes, including our patented Diaphragmatic® soundboard, Accelerated Action® and Hexagrip® pinblock.
A Steinway grand piano takes nearly a year to create. Nothing is hurried. Even the carefully selected woods that make up the rims, top, soundboards, and actions cure for months in our yard, kilns, and conditioning rooms before they stabilize at a rigidly specified moisture content. The rim of the instruments consists of layers of hard rock maple and with our bell-quality, full cast-iron plate, withstands the enormous amount of tension exerted by the strings. The finest acoustic-quality spruce is fashioned into the delicate curve of the Diaphragmatic® soundboard, which tapers gently from the center to the edge, assuring the full, rich Steinway sound.
Ultimately, the pieces — massive and delicate — come together through the interweaving of the craft and technology until the instrument is complete. However it is not a Steinway until voicing gives it the special quality that makes it unique. Here, every subtle nuance is drawn out by balancing and adjusting the keys and shaping, hardening or softening each hammer. In the end, the new piano is transformed from more than 12,000 individual parts into an instrument… and from an instrument into a Steinway.
The one-piece continuous bent rim, 2 1/4″ thick, is one of the most significant technical innovations in piano building. The rim provides the foundation for the beauty, stability, and quality of each Steinway grand piano. The rim of the Steinway Model S is comprised of 10 layers of hard rock maple — with both inner and outer rim being pressed together in a single operation — which provides the structural integrity that enables a Steinway piano to endure for generations. This unique rim construction has been an integral part of every Steinway grand piano since it was developed and patented by Steinway & Sons in 1878.
The soundboard lies at the heart of a Steinway grand or upright piano, which is why great care is needed both in its design and in the selection of the wood. To meet the highest quality standards, only superior Sitka spruce with a regular grain and prescribed minimum number of annual growth rings is acceptable. The production of the Steinway Diaphragmatic Soundboard is based on a 1936 patent to achieve optimum performance in dynamic range and maximum sustain. Under this patent, the soundboard is gradually tapered from the center to the edge, permitting freedom of movement and creating a sound of unparalleled richness, sonority, and sustain.
Created like the soundboard of violins to give a free and even response throughout the entire scale, the Steinway Model S soundboard is 8 mm thick in the center and tapers to 5 mm as it approaches the rim and outer case before being double crowned. The design permits complete freedom of movement while displacing a greater amount of air, creating a richer and more lasting tonal response. Close-grained, quarter-sawn Sitka spruce — which has unusual stability and vibrance under stress and vibration — is used exclusively for the soundboard.
The better the materials, the better the sound. Steinway & Sons constructs its soundboard bridges exclusively from vertically laminated hardwood with a horizontal grain, capped with solid maple. Each bridge is notched by hand for precise, individual string-bearing. This design ensures optimal sound transmission from the strings to the soundboard, resulting in a sustained, resonant tone—creating the inimitable Steinway Sound. In 1963, Steinway introduced the Hexagrip Pinblock, which is engineered to enable pianos to hold their tuning longer and with incredible precision.
The Hexagrip patented design features 7 laminations of quartered hardrock maple stock. Grain is symmetrically distributed at successive angles of 45º and 90º, employing uniform grain direction around the circumference of the tuning pin to provide ultimate pin grippage. The exclusive design provides the tuning pin with smoother movement under torque, a more uniform retaining action, and a piano that holds its tuning longer.
Treble bridges are hard rock maple vertical laminations capped with solid hard rock maple; they are planed, graphite coated, drilled and notched by hand for precise individual string bearing, with a design that defies splitting.
Up to 20 tons of string tension is being exerted within a piano at all times. It is the function of the cast iron plate to accommodate this extraordinary force and provide strength and stability throughout the life of the piano. Steinway & Sons uses its own “bell-quality” casting to support this string tension and reduce vibration, which in turn enhances the sound. This component is so integral to the construction of a Steinway piano that Steinway & Sons owns and operates its own foundry, which produces cast iron plates to its exacting specifications. The plate is sturdy gray iron; filled CNC–milled, and sealed; bronzed and lacquered.
Made entirely from hard rock maple; 10 laminations; continuous bent, both inner & outer form one single rim; unequaled strength and stability. Thickness: 2 1/4″ (5.72 cm)
3 solid spruce with a volume of 1,050 cu. In. (17,202cm3); Spruce provides tensile strength with less weight. Maple dowels fasten braces to rim & crossblock producing a single homogenous foundation upon which is built the entire tonal component. Note: Treble bell is not required in smaller grands of lesser tensions.
Hexagrip patented design; 7 laminations of quartered hardrock maple stock. Grain symmetrically distributed at successive angles of 45°, 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 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: Solid rock maple mounted to cantilevered and splined base. Maple doweled, glued, and screwed to soundboard.
Overstrung; combination agraffe; Front AND rear duplex. Tension: 32,332 lbs. (14,550 kg)
Sturdy gray iron; filled, CNC-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: 45 1/2″ (116 cm)
Premium wool top felt over premium wool under felt; treated to resist insects and moisture. Compression-wired to retain permanent shape. Hard rock maple hammer moldings and shanks.
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 & 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.
European 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: 19″ (48.3 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 key 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.
|Length||5′ 1″ (155 cm)|
|Width||57 3/4” (147cm)|
|Net Weight||540 pounds (252 kg)|
|Furniture||Ebonized or Crown Jewel Collection Veneer|
|Panel Stock||Quarter-sawn poplar corewood cross banded and face veneered.|
|Solids||Ebonized or veneered birch, mahogany, walnut.|
|Legs||Ebonized or veneered birch. Sturdy locking mechanisms allow quick, damage-free removal.|
|Finish||Heavy full-bodied black or clear lacquer (satin), hand-rubbed OR Heavy full-bodied black polyester (high polish), hand-polished.|
|Hardware||Solid brass; polished & lacquered, or chrome or nickel plated.|
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