UP-120 Performance Edition II

Classic Boston touch with school-focused performance


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Whether woodshedding in the practice room or exploring the joy of music at home, the BOSTON Upright Pianos bring genuine world-class tone and responsiveness within reach. 
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.

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Available Model UP-120 PE II

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The New Model UP-120 PE II Customer

Who's it for?

  • Buyers seeking a low-cost entry level vertical style piano
Boston UP-120S Close Up

Who's it not for?

  • Those looking for an upright piano closest to resembling the dynamic range of a grand piano
Man with a piano cut out

Finishes/Cabinet Types

Model Description Finish

UP-120S EP

Ebony Polish Upright


UP-120S WS

Walnut Satin Upright


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Model UP-120 PE II Specifications

The new Boston UP-120S Performance Edition is imbued with the classic Boston touch and tone and is optimized for any music room — at school or at home. Height: 47⅜" (120.3 cm)

Height: 120 cm (47 ⅜”)
Width: 151 cm (59 ¼”)
Depth: 64 cm (25″)
Net Weight: 253 kg (557 lb)

Full-length laminated spruce posts assure that the backframe will remain straight and consistent and tuning will remain stable. Spruce fill-blocks between posts at the top and bottom of the backframe, capped with a maple backboard for positive vertical alignment. Solid filler blocks (no hollow spots). 5 posts. Total cross sectional area: 450 cm2 (69.8 in2). Thickness of post: 9 cm (3½”). Width of post: (3) 10 cm (4”).


Overstrung: Lower tension scale for longer sustaining tone, beautiful tonal clarity and depth, and longer life of the whole piano. 16,006 kg (35,213 lb) tension.


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 liner to support the important soundboard crown and prevent the piano from losing its tone. Number of ribs: 11

Tuning Pins

Nickel-plated steel, cut threaded.


Treble: Highest grade steel (in half size increments). Number of sizes: 10. Lowest tenor note: 29. Bass: Steel core wire wound with solid copper. Number 1 speaking length: 110.0 cm (43.3″)


Premium German Würzen topfelt over premium wool underfelt, pressed over hornbeam moldings into Steinway & Sons shape, compression-wire reinforced; hammer-shanks from select resilient horn-beam; resulting in superior tone, increased durability and greater voicing ability.


Solid spruce, individually balanced and weighted. Phenolic sharps and acrylate white key covers. Length of key: 39.2 cm (15.4″)


Made of spruce and birch. Strong, rugged construction provides a solid mount for the keyframe and action allowing for precise and prolonged action regulation. Keybed thickness is 42 mm.


Soft (half-blow), muffler, and sustaining (damper) pedals.



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