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Steinway & Sons
1133 Avenue of the Americas
New York, New York 10036
[email protected]

Pianos made by: Kawai Musical Instrument Mfg. Co., Ltd., Hamamatsu, Japan and Karawan, Indonesia

In 1992 Steinway launched its Boston line of pianos, designed by Steinway & Sons and built by Kawai. Steinway’s stated purpose in creating this line was to supply Steinway dealers with a quality, mid-priced piano containing some Steinway-like design features for those customers “who were not yet ready for a Steinway.” In choosing to have a piano of its own design made in Japan, Steinway sought to take advantage of the efficient high-technology manufacturing methods of the Japanese while utilizing its own design skills to make a more musical piano than is usually available from that part of the world.

In 2009, Steinway launched the Performance Edition of the Boston piano with enhancements to the instruments’ design and specifications, including a grand inner rim of maple for increased structural integrity and improved tone, the patented Octagrip® pinblock for smoother tuning and more consistent torque, and improvements to hardware and keytop material, among other things. Performance Edition models have model numbers ending in PE. In 2016, the company introduced Performance Edition II grands (PE-II), containing further improvements, including bubinga veneer on the inside rim of all ebony grands, improved finishes, a new plate color, and other cosmetic changes; and a lower-tension scale, resulting in a very clear bass, better treble sustain, and more transparency in the tenor range.

Sold only through select Steinway dealers, Boston pianos are currently available in three sizes of vertical and five sizes of grand. All are made in Japan, except the model UP-118S PE, which is made in Kawai’s Indonesian factory.

Boston pianos are used by a number of prestigious music schools and festivals, including Aspen, Bowdoin, Brevard, Ravinia, and Tanglewood.

The most obvious visible feature of the Boston grand piano’s design (and one of the biggest differences from Kawai pianos) is its wide tail. Steinway says this allows the bridges to be positioned closer to the more lively central part of the soundboard, smoothing out the break between ba ss and treble. This, plus a thinner, tapered, solid-spruce soundboard and other scaling differences, may give the Boston grands a longer sustain though less initial power. The wide-tail design may also endow some of the grands with the soundboard size normally associated with a slightly larger piano. The verticals are said to have a greater overstringing angle, for the same purpose. Over the last few years, the Boston verticals have been redesigned for greater tuning stability and musical refinement.

A number of features in the Boston piano are similar to those in the Steinway, including the above-mentioned maple inner rim, vertically laminated bridges for better tonal transmission, duplex scaling for additional tonal color, rosette-shaped hammer flanges to preserve hammer spacing, and radial rim bracing for greater structural stability. The Boston grand action is said to incorporate some of the latest refinements of the Steinway action. Cabinet detailing on the Boston grands is similar to that on the Steinway. Boston hammers are made differently from both Kawai and Steinway hammers, and voicers in the Kawai factory receive special instruction in voicing them. All Boston grand models come with a sostenuto pedal; all verticals have a practice (mute) pedal, except for the model UP-118S PE, which has a bass sustain.

Boston grands also have certain things in common with Kawai RX-series grands: tuning pins, grand leg and lyre assemblies, radial rim bracing, sostenuto pedal, and the level of quality control in their manufacture. The same workers build the two brands in the same factories. One important way they differ is that Kawai uses carbon-fiber–reinforced ABS Styran plastic for most of its action parts, whereas Boston uses only traditional wooden parts. Although similarly priced at the wholesale level, Kawai pianos tend to be a little less expensive to the retail customer than comparably sized Bostons due to the larger discounts typically given by Kawai dealers.

Steinway guarantees full trade-in value for a Boston piano at any time a purchaser wishes to upgrade to a Steinway grand.

Piano technicians are favorably inclined toward Boston pianos. Some find them to have a little better sustain and more tonal color than Kawais, while being otherwise similar in quality. When comparing the two brands, I would advise making a choice based primarily on one’s own musical perceptions of tone and touch, as well as the trade-up guarantee, if applicable.

Warranty: 10 years, parts and labor, to original purchaser.

Acoustic Piano: Model & Pricing Guide

* See the Introduction for an explanation of pricing.

Boston MSRP is the price at the New York retail store.
Model Feet Inches Description MSRP* SMP*
Boston Verticals
UP-118E PE 46 Satin and Polished Ebony 11,600 11,600
UP-118E PE 46 Polished Mahogany 13,400 13,400
UP-118E PE 46 Satin and Polished Walnut 13,400 13,400
UP-118S PE 46 Satin Black Oak/Honey Oak 7,600 7,600
UP-118S PE 46 Satin Mahogany 9,100 9,100
UP-126E PE 50 Polished Ebony 13,900 13,900
UP-126E PE 50 Polished Mahogany 16,100 16,100
UP-132E PE 52 Polished Ebony 15,400 15,400
Boston Grands
GP-156 PE 5 1 Satin and Polished Ebony 21,100 21,100
GP-163 PE 5 4 Satin and Polished Ebony 25,800 25,800
GP-163 PE 5 4 Satin and Polished Mahogany 28,200 28,200
GP-163 PE 5 4 Satin and Polished Walnut 28,600 28,600
GP-163 PE 5 4 Polished White 31,800 31,800
GP-178 PE 5 10 Satin and Polished Ebony 30,200 30,200
GP-178 PE 5 10 Satin and Polished Mahogany 32,600 32,600
GP-178 PE 5 10 Satin and Polished Walnut 33,100 33,100
GP-193 PE 6 4 Satin and Polished Ebony 39,200 39,200
GP-215 PE 7 1 Satin and Polished Ebony 51,400 51,400