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Steinway & Sons Model O Grand Piano


At 5' 10¾" (180 cm), the Model O Living Room Grand piano is the largest of Steinway’s “small grands.” This piano is large enough to satisfy those who demand a full, rich sound, yet sized to fit in almost any home.

Dimensions

  • Length: 5' 10¾" (180 cm)
  • Width: 57¾" (147 cm)
  • Net Weight: 662 lbs (300 kg)
Braces

3 solid spruce with a volume of 1,253 cu. in. (20,528 cm3); 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. The Steinway & Sons iron wedge anchors brace ends securely to crossblock assuring permanent rim posture.

Scale

Overstrung; combination agraffe; Front AND rear duplex.
Tension: 41,888 lbs. (19,000 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: ten whole & one-half sizes from high-tensile Swedish steel.
Bass: Swedish steel core wire wound with pure copper.
Longest: Agraffe/bridge: 54⅛" (137 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, abraded 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. Horizontal 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.

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