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Steinway & Sons Traditional K-52 Upright Piano


Introduced in 1903, this upright piano features a larger soundboard than many grands, for a more resonant voice. The choice for professional players seeking an upright piano — and perfect for all sizes of homes and apartments.

Unlike other manufacturers that mass-produce their upright pianos, STEINWAY & SONS upright pianos are handcrafted in the same factory as our grand pianos, using the same techniques, conditioning processes, and craftsmen. The result is the world’s finest upright piano, living up to the STEINWAY & SONS name in every respect. STEINWAY upright pianos take advantage of over 125 patented features and processes, including our patented Diaphragmatic soundboard, Accelerated Action and Hexagrip pinblock.

Dimensions

  • Height: 52" (132 cm)
  • Width: 60 3/4" (154 cm)
  • Depth: 26 3/8" (67 cm)
  • Net Weight: 600 pounds (273 kg)
Rim

Back Frame: Solid birch mortised foot-piece. Solid birch soundboard lining. Grand-type maple laminated closing rim; unequaled vertical strength and stability.

Braces

Posts: 5 full-length tapered solid spruce braces with a volume of 3,600 cu. in. (58,993cm3): assures that backframe will remain straight, promoting stable and consistent tuning. Strategically positioned with bottom ends tenoned into birch foot-piece for positive vertical alignment. Spruce fill-blocks between posts at top of backframe capped with solid birch backing board for positive horizontal alignment.

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 into their mounting surfaces virtually locking in the important soundboard crown.

Scale

Overstrung; twenty-six note bass/tenor break. Treble duplex. Tension: 37,500 lbs. (16,875 kg)

Plate

Sturdy gray iron; filled, CNC-milled, and sealed; bronzed and lacquered.

Tuning Pins

Premium blued steel with rust-resistant, nickeled heads.

Strings

Treble: Ten whole & one-half sizes from high-tensile Swedish steel. Bass: Swedish steel core wire wound with pure copper. Longest, pressure bar/bridge: 46 3/8" (118 cm)

Hammers

Premium wool top felt over premium wool under felt; treated to resist insects and moisture. Compression-wired to retain permanent shape. Hornbeam hammer moldings and shanks.

Dampers

Vertical-cut premium wool for effective dampening. Hornbeam heads for endurance.

Action

White, quarter-sawn hornbeam parts are bushed with specially treated wool action cloth for freedom from friction. Parts are anchored in hard maple rails. Dependable, Direct-Blow design permits ALL parts of the action to lie above the brass capstan screws.

Keys

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: 16 1/8" (40.9 cm)

Keybed

Made from planks of stable, quarter-sawn poplar. Horizontal planks are freely mortised together, while their ends are permanently mortised into vertical planks made of birch, presenting a vented system for humidity escapement while allowing for necessary expansion and contraction. Hand-milled to be flat and true correlating with keyframe for snug fit. Strong, rugged construction provides a solid mount for keyframe and action allowing for precise and prolonged action regulation. Thickness: 1 3/4" (4.45 cm)

Pedals

Heavy, solid brass. Soft, sustaining, and full sostenuto.

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