Boston Model GP 215 | M. Steinert & Sons

BOSTON OVERVIEW

Introducing the new Performance Edition II by Boston, featuring a Pommele Sapele veneer on the inside rim (ebony pianos only), bronze-painted and lacquered plate, black felts, and a rescaled bass and treble strings.

Designed by STEINWAY & SONS, employing the unique patents and expertise that have made the name STEINWAY synonymous with excellence, the Boston line of grand and upright pianos represents a singular achievement in instrument building: a superior playing experience at a price level never before thought possible.

New

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New Boston GP215 PE II R209375

Dimensions

Length: 215 cm

Width: 155 cm

Height: 102 cm

Net Weight: 404 kg (890 lb)

Rim

Hard Rock Maple inner rim -- this is the foundation of the Boston’s tone. Besides providing superior structural integrity to the piano, it enhances tone by being a rock hard foundation for the soundboard. A Maple rim is found only in the finest pianos. Continuous bent rim. 15 outer rim laminations, 17 inner rim laminations. 29 mm (1⅛") outer rim width, 38mm (1½") inner rim width.

Braces

Radiating braces solidify the piano’s structure. Their triangular layout provides more support than parallel designs. This rigid system improves tuning stability and soundboard crown retention, and lengthens piano life. 4 radial braces + 3 horizontal braces.

Pinblock

Octagrip™ pinblock made of 11 layers of Hard Rock Maple — glued in different grain angles of 60 degrees — affording the tuning pins greater stability under tension and enabling the piano to stay in tune longer.

Soundboard

Close and straight-grain solid (not laminated) Sitka spruce. Minimum 3 annual growth rings per cm (minimum 8 per inch). Tapered from treble to bass, allowing a greater freedom of movement in the bass, and stiffness in the treble, thereby creating a richer and more lasting tonal response. Tapered from 9 mm to 7 mm. Vibrating area: 1.70 m

Ribs

Made from durable spruce to assure strong and constant support of the strings bearing down on the soundboard. Ribs are fully let-in to the inner rim to support the important soundboard crown and prevent the piano from losing its tone. Number of ribs: 13

Bridge

One continuous bass and treble bridge, vertically laminated (alternating maple and mahogany) with a solid maple cap, curved to fit the crown of the soundboard.

Scale

Overstrung; combination of agraffe, with front and rear duplex. Rescaled bass and treble wire for lower tension scale for increased sustain, better tone clarity, and deeper, clearer bass. 16,955 kg (37,300 lb.) tension.

Plate

Cast from grey iron, bronze-painted and lacquered. Vacuum cast.

Strings

Treble: Highest grade steel (in half size increments). Number of sizes: 12. Lowest tenor note: 21. Mapes Bass Strings: Steel core wire wound with solid copper. Made by Mapes in Tennessee, U.S.A. Note 1 speaking length: 163.6 cm (64.4").

Hammers

Premium wool topfelt over premium wool underfelt. Weight of topfelt: 9.8 kg (21.6 lb). Compression-wired to retain permanent shape. Mahogany moldings. Tapered hornbeam hammershanks. Computer-designed pear-shaped hammers result in superior tone, increased durability and greater voicing ability.

Action

Solid maple and hornbeam (all wood, no plastic) for all moving parts. Steinway profile-shaped flanges, extruded aluminum action rails for increased stability and less frequent regulation. Steinway action geometry provides superior touch.

Keys

Genuine spruce, individually balanced and weighted. Synthetic ivory and ebony key covers. Synthetic ebony has ebony-like surface texture and appearance that absorbs perspiration from the fingers. The fine synthetic ivory of the white keys has the same properties of friction, porosity, conductivity, and appearance as ivory.

Pedals

Heavy solid brass castings. Una corda (soft), full sostenuto, and sustain (damper) pedals.

Architecture

Classic case design. Coved toplid and keyslip, square arm shape with matching square fallboard shape, and wall cornice detail are all classic and beautiful. Violin-shaped topstick.

Other

Fallboard: Soft fall fallboard.
Casters: Heavy-duty double-wheel solid brass casters.
Locks: Fallboard and top locks.
Prop Sticks: Double top prop sticks.
Bench: artist, adjustable bench (cushion,
adjustable height) for all ebony finish pianos.
Black Felts for Plate, under Fallboard, and around Pedals on Lyre.

GP-215

Powerful & Warm.

BOSTON OVERVIEW

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