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Steinway Model D
Concert Grand
Steinway Model D

Steinert Overview

Indisputably the one and only piano model in the world by which all others are judged. One is hard-pressed to find any other piano model being used for performance on a major concert stage anywhere in the world. The official piano of the Boston Symphony Orchestra, New England Conservatory, the Juilliard School, the Curtis Institute, Oberlin College, and over 200 All-Steinway Schools across America, the Steinway Model D has become synonymous with “piano”. The vast majority of professional classical recordings are on Model Ds and over 95% of concert performances when performing with orchestra worldwide feature the Model D.  

The New Model D Customer

Who it’s for: Who it’s NOT for:
For any major symphony orchestra, concert hall and any career concert pianist’s home. Also for the most serious amateurs who simply insist on the best possible piano regardless of price.

Those seeking unequaled pride of ownership, musical inspiration, and joy of playing.

Not for the budget-minded or average size living space. Requires 11 feet of floor space including the bench. 

MODEL D Specifications

At 8′ 11¾” (274 cm) in length, this majestic musical instrument — the pinnacle of concert grands — is the overwhelming choice of the world’s greatest pianists and for anyone who demands the highest level of musical expression.  The Model D is now available as a SPIRIO | r – with the ability to record, archive and edit performances.

The Steinway Model D can be custom ordered with any of the Steinway Crown Jewel finishes.  


Length: 8′ 11¾” (274 cm)
Width: 61¾” (156 cm)
Net Weight: 990 pounds (480 kg)

5 solid spruce braces with a volume of 2,907 cu. in. (47,637 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. 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 Steinway & Sons iron wedge anchors brace ends securely to crossblock assuring permanent rim posture.

Overstrung; combination agraffe; Front AND rear duplex.
Tension: 45,373 lbs. (20,418 kg)

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

Treble: twelve whole & one-half sizes from high-tensile Swedish steel.
Bass: Swedish steel core wire wound with pure copper.
Longest: Agraffe/bridge: 79¼” (201 cm)

Premium wool top felt and under felt; treated to resist insects and moisture. Compression-wired to maintain permanent shape. Hard rock maple hammer moldings and shanks.

Horizontal-cut premium wool for effective dampening with maple heads for endurance.

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: 24½” (62.2 cm).

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).

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

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1069 Washington Street
Newton, MA 02465
Store Hours:
Monday - Friday: 11 am to 6 pm
Saturday : 10 am to 5 pm
Sunday: Noon to 5 pm


28 Damrell Street
Boston, MA 02127
Store Hours:
By appointment:
Spirio Salon Boston (by Appointment)

236 Huntington Avenue, Suite 301
Boston, MA 02115
Store Hours:
By Appointment: