The age of your piano is determined by the Serial Number. Pianos also have numbers other than serial numbers, such is the case with part or patent numbers. Some pianos do not have serial numbers when they are manufactured as 'House Brands' for large retailers.
Piano Serial Numbers: Location, location, location. Piano serial numbers usually have five to seven digits, but may have fewer or more, depending on the manufacturer and age of your piano. Serial numbers may also include a letter as well. Here are the TOP FIVE places to locate the serial number of your spinet, console, or upright piano: Serial number locations are found: 1) On the piano’s cast iron plate. After lifting up the lid, look along the top front area of the plate. The serial number may be to the right or the left, or in the middle. 2) Under the opened lid on the ledge, stamped on a little plaque, to the right or to the left.
3) Stamped on the back of the piano; near the top of the wood frame. 4) Printed on one of the hammers, found on either end of the piano (newer or imported pianos).
5) Printed on one the keys - behind the nameboard, inside the piano (newer or imported pianos). If you cannot find the serial number in any of the locations listed on this page, please watch the video below, to help find more piano serial number locations. Grand Piano Serial Numbers Where Are They Found? Here are the TOP FIVE places to locate the serial number of your BABY GRAND or GRAND piano: Note: You may have to remove the (1) music desk first and then (2) gently clean out any dust from your piano's plate using a soft dry cloth + vacuum hose before these numbers can be found. Serial number locations are found: 1) On the piano’s cast iron plate, near the tuning pins, as you face the keys. Look to the right or to the left.
2) The Capo d'astro bar. Located on the right, this acts as a 'bridge' to the 'beams' of the cast iron plate. 3) On the piano's soundboard (see link above for a diagram). 4) On a metal plate underneath the piano's top lid, near the strings and soundboard. 5) Immediate interior front: On the back of the a keyslip (long wooden ledge, runs along the front/bottom of the keys. Serial number is often hidden and stamped on the other side, facing the keys). On the front of the b action frame (after the keyslip is removed), or stamped on c one or both of the cheek blocks, viewed to the right and left of the piano's keyboard.
On older pianos, you may find 3-5 screws, underneath the keyslip, that need to be removed (lift up, in most cases) to view the action frame. The serial number may be stamped on the frame's wooden base, immediately under the keys.
To the right and left of the keys are two end cheek blocks, which are each secured down with a giant bolt or screw, which passes through the piano's keybed, both of which must be removed, to access the interior of the piano (see video, above). Caution: When unscrewing and removing the cheek blocks, do not mistake the piano's leg screw/bolt, with the cheek block's screw/bolt. Also, be careful not to drop the cheek blocks once they are removed, which may gouge and permanently damage their delicate condition. To recap the interior: the serial number can be found on the back of the keyslip, on the action's keyframe, or on the cheek blocks (each side), once removed. Scroll down below to find the (1) manufacturer of your piano, and then (2) click on the link to find the serial number.
(Please be patient as we are updating this page on a daily basis. We invite you to SUBSCRIBE to this page, and to use the search box above, as serial numbers are being updated and added on an ongoing basis.). Thinking of purchasing a Yamaha Piano? Visit our to find out more before making that purchase! The Pierce Piano Atlas, 12th Edition now in hardcover format, provides a wealth of information about the piano manufacturing industry. Over 12,000 piano names are included, some dating back to the early eighteen hundreds. This guide provides references to serial numbers, dates of manufacture, factory locations, a brief history of many manufacturers and other pertinent information.
The Piano Book is the bible of the piano marketplace. An indispensable resource to buyers and owners of pianos, amateur and professional pianists alike. This book evaluates and compares every brand and style of piano sold in the United States. Information on how the piano works, ages, and the difference between different piano brands is discussed in great detail.
There is also a wealth of diagrams of parts, information on manufacturing, maintenance, moving and storage, inspecting new and used pianos, the special market for Steinways, and sales gimmicks to watch out for. Playing Piano for Pleasure is a practical guide to learning and playing the piano for fun!
Includes material from the author's interviews with master pianists, artists, and writers. The result is a book that should be cherished for years to come.
The company made its name producing the Pianola, a pneumatic player piano developed in 1897 by Edwin Votey, 1983 suffering a financial crisis, the company was sold to the former president of Steinway, Peter Perez. Perez worked hard to market the company’s chief assets-the names Chickering, Mason and Hamlin, and Knabe-and was able to run around the company’s image, but the continued production of poor instruments led to the final demise of this well-known make.
They went out of production in 1985. Dates and serial numbers when the pianos were manufactured 1903 1900 1910 91000. August Forster currently produce six models of upright piano from 4 feet, 6 inches (116cm) high to 4feet, 9 inches (125cm) high, and five models of grand piano ranging from 5 feet, 7 inches (170cm) to 9 feet (275cm) long. Essentially a conventional grand piano, the Elektrochord used two strings per note, except for the bottom eight notes.
Only one string struck by the hammer; the other string, which is shorter and set at a much lower tension, is allowed to vibrate in sympathy. Electrostatic pickups placed on different parts of this string can be set both vertically and horizontally to achieve a wide range of tones and attack characteristics. As an optional extra the Elektrochord could be fitted with a radio or gramophone. Dates and serial numbers when the pianos were manufactured 1873 900 1880 1700 1898 1 1 1 1 162600.
To increase the volume and the fullness of tone they designed an upright piano in which the soundboard could be extended to fill the entire case, rather than just to the height of the pin block, as is the case of other pianos. This, in effect, means that a piano can be 10 inches (25cm) shorter in height and still have the sounding area of a taller piano. This novel approach does ended sound different, although some critics suggest that the increase height of the bridges to facilitate the design absorbs much of the strings’ energy and distorts the tone. It is widely agreed that the strings’ speaking length, rather than the size of the soundboard, has the greater bearing on the quality of a piano’s tone. Manufacture is located in Salt Lake City, Utah, United States Dates and serial numbers when the pianos were manufactured 1965 7000 1970 41000. Throughout the 1960’s and 1970’s, the Baldwin Piano Company acquired 42 companies, including those involved in finance and electronics, becoming Baldwin United. In 1963, they acquired Bechstein, the well-loved German firm; this association, which was the last until 1987, gave them an international piano service for concert artists.
In 1965 they produced their first concert grand, the SD-10. Their rise continued until 1983 when, due to rising interest rates, Baldwin United filed for bankruptcy.
The profitable piano division was bought by its executive staff and in 1984 the Baldwin Piano and Organ Company once again became privately owned. Between the 1980s and early 1990s, Baldwin in association with Samick, formed the Korean American Music Company and between them they produced the Howard grand piano. During the late 1980s Baldwin enlarged again, buying piano-related firms such as Wurlitzer, the American piano and organ firm. On November 1 2001, nearly a month after filing for bankruptcy, the Baldwin Piano and Organ Company was acquired by Gibson Guitar Corporation, starting a new and exciting chapter in the history of the two firms. Dates and serial numbers when the pianos were manufactured 1890 3890 1900 1 1 1 2 2 3 480000.
Like all piano makers, Bechstein was affected by the Great Depression of the 1930s. In addition to this, the introduction in 1933 of the unpopular “neo-Bechstein” grand piano- in which fewer strings were used per note, strung over an amplified soundboard- had an adverse effect on the company and in that year Bechstein only produced 600 pianos. The brothers had died, leaving control to Helen Bechstein, whose association with German political figures brought further pressures. The factory was almost completely destroyed during the Second World War, along with its materials and production machinery, and it was not until 1951 that Bechstein was again making grand pianos. However, needing an urgent injection of capital, it was sold in 19663 to Baldwin, under whose control it was able to operate autonomously.
In 1987, Bechstein was sold to a well-known German piano master craftsman, Karl Schulze. The original Bechstein scale designs and techniques were reintroduced and, combined with modern factory methods, pianos were again produced to a very high quality and sounding in the Bechstein tradition. In the early 1990s, after the acquisition of Hoffmann and Zimmermann, the name changed to the Bechstein Gruppe, and Bechstein’s image as one of the best piano makers was restored. Dates and serial numbers when the pianos were manufactured 1860 300 1870 4196 1880 1 1 1 1 1 1 1 1 187538. Although the first Bentley pianos appeared in showrooms in 1930, the man behind this popular English make, Douglas Grover, was already a third-generation piano maker. In 1993 Whelpdale Maxwell & Codd, Ltd., acquired the Bentley Piano Company, and production was moved to their factory in South London.
British Piano Manufacturing, Ltd., formed in 2000, today produce Bentley pianos to their original specification in the former Bentley factory in the Cotswold Hills. Dates and serial numbers when the pianos were manufactured 1920 1 1 1 163100. Bluthner was reprivatized in 1989, and its pianos, cherished by music lovers everywhere, are still manufactured in Leipzig under the directorship of Julius Bluthner’s great-great grand son of Ingbert, and his son’s Christian and Knut. The aliquot scaling system uses a fourth string located above the treble strings, which is not struck by the hammer but free to vibrate in sympathy. The extra strings are tuned an octave higher than the actual note and offer enriched over tones and harmonics to the piano’s upper register. Bluthner patent action was used in grand pianos until the 1920s.
Dates and serial numbers when the pianos were manufactured 1853 700 1860 2500 1870 9200 1880 1 1 1 1 1 1 1 1 150100. Until the mid-1920s, Bosendorfer made only a few hundred pianos a year; this production fell rapidly during the Great Depression and ceased altogether in the final years of the Second World War, when the company’s offices were destroyed by heavy fighting, and its wood reserves and pianos used for firewood.
Revival in the postwar period was slow and painful, with production not exceeding 100 pianos a year until 1950. Then in 1966 Arnold H. Habig, president of Kimball International Inc., bought the company with the aim of using Bosendorfer’s expertise to revitalize the Kimball range of pianos.
The acquisition, unlike many similar buyouts, turned out to be an extremely successful one for both companies until January 2002, when Bosendorfer broke ties with the Kimball organization. Today backed by the Austrian banking group BASAG-P. K., Bosendorfer have fully regained their position among the world’s greatest makers of fine pianos. Dates and serial numbers when the pianos were manufactured 1828 4 1830 200 1840 490 1850 3000 1860 5000 1870 6400 1880 9300 1890 45695. With extensive restructuring, and changing production between grand, upright, and player pianos to suit the changing times, Broadwood and Sons has survived, marking an incredible 260-year history. Today broadwood pianos are made by the British Piano Manufacturing Company, founded in 2000 in Stroud, who also make pianos to the specifications of other English firms such as Bentley, Knight, Welmar, and Woodchester.
The Broadwood barless upright is made under license for John Broadwood & Sons by Ladbroke Pianos, founded some fifty years ago in Bermingham. Dates and serial numbers when the pianos were manufactured 1932 2 2 2 2 2 2 2 283700. The Phillips Record Company bought the Chappell Company in 1968 for £17.5 million (US$25.5). Owned by Warner Chappell Kemble produced the Chappell, pianos under license until 2000 (Warner continue to hold sole rights).
Chappell of Bond Street still exists as a music and instrument retailer. Dates and serial numbers when the pianos were manufactured 1840 2000 1850 4000 1860 6000 1870 88200. Erard made his first square pianos in Paris, France, in 1777. Erard history after 1914 is one of decline.
Not only did the company feel the effect of two world wars and the Great Depression, but German and American pianos are also presented a new ideal in piano making. Another great French maker, Pleyel, joined this consortium in 1961. In 1971 the Schimmel Company acquired the rights to the Erard name, together with Gaveau and Pleyel.
Dates and serial numbers when the pianos were manufactured 1800 1640 1810 3805 1820 5200 1830 9000 1840 1 1 1 1 1 1 1 136260. In 1883 that a musical instrument retailer, John Church Company, started producing small quantities of uprights and grand pianos under the name of Everett. In 1973 Everett was sold to the Yamaha Corporation. They modernized the South Haven plant to produce both Everett and Yamaha upright pianos. Production at the Everett factory ceased in 1986, when Yamaha moved to U.S. Piano plant to Georgia. The Everett name was licensed to the Baldwin factory until 1989.
Since 1995, Wrightwood Enterprises Inc., has used the Everett name, and Dongbei Piano Company in China now makes their pianos. Owned by PianoDisc. The company was set up in 1984 by an Italian-born piano technician, Santi Falcone, whose aim was to produce an affordable grand piano of the highest quality that would compete with the world’s finest makers. Santi Falcone sold his business in 1991 to businessman Bernard Greer and the Falcone name was incorporated into the Mason and Hamlin Companies. Production was terminated in 1994, when Mason and Hamlin went into liquidation. The owners of PianoDisc now own the Falcone brand as part of Mason and Hamlin, which they bought in 1996. As yet there are no plans to restart production of this enterprising brand.
Fazioli pianos are still handmade and a successful move to a purpose-built factory in the summer of 2001 saw production increase from 80 to 120 instrument a year. The new site also includes a test and research area, and a concert hall. The 10-foot, 3-inch (308cm) grand is the largest concert piano available today. It includes a fourth pedal, which moves the hammers closer to the strings, thus offering a softer sound without altering the tonal characteristic as the una-corda pedal does. Fazioli pianos have a choice of two actions and two lyres to allow a performer more voicing options. Dates and serial numbers when the pianos were manufactured 1981 1 19 25 19 70 1986 100 1987 145 1988 190 1989 240 1990 290 1991 340 1992 390 1993 450 1994 510 1995 580 2001 910. In July 1991 the Bechstein Group bought a majority shareholding in the Euterpe Piano Company.
Feurich remained autonomous and, finding a factory just 3 miles (5km) away, spent much of the 1990s gradually increasing production. Today, with a steady output of upright and grand pianos from the Gunzenhausen factory, Feurich is planning the production of a concert grand modeled on their beautiful instruments of the 1920s and 1930s. Dates and serial numbers when the pianos were manufactured 1860 400 1870 1200 1880 3900 1890 8400 1900 76200. Founded in Paris in 1847 by Joseph Gabriel Gaveau, this French firm was to gain an excellent reputation for high-quality harpsichords, and in particular small upright pianos. By 1907, when Gaveau was passed to the founder’s son, Etienne, the firm was producing and selling over 1,000 pianos a year. Etienne Gaveau expanded the factory and had a 1,100-seat concert hall, Salle Gaveau, built in Rue la Boetie in Paris.
Between the 1910s and 1940s, the severe economic climate meant that Gaveau, now joined by his sons Marcel and Andre, had to diversify to compete with their main competitor, Pleyel. Production started of small unfretted clavichords and spinets, made possible by the short-term hiring of Arnold Dolmetsch, who designed these instruments for Gaveau between 1911 and 1914. On Dolmetsch’s return to England, Gaveau returned to producing uprights pianos only. In 1960 Gaveau joined forces with Erard and a year later with their great rival Pleyel. Grotrian’s business interests took him to Moscow, where he established a successful retail concern. When he returned over a decade later to his native Germany, he founded a new piano-making partnership with Heinrich’s son, Carl Friedrich Theodore Steinweg. The moved production to Braunschweig and forged a successful business making quality pianos.
Heinrich Steinweg, meantime, have emigrated to America, change his name to Steinway and established his own company. In 1865, Heinrich died and Theodore Steinweg sold his shares and emigrated to America to run the now flourishing Steinway firm. Ibach characterize their sound as being firm and transparent in the bass section, rich and warm in the tenor, and with a pearl-like singing tone in the treble, which is maintained at all volumes. Producing a variety of upright and grand pianos, all Ibach instruments are made predominantly by hand.
As well as producing a standard series of pianos, Ibach maintain their tradition of designing extraordinary cases. In the 1980s, Ibach built pianos incorporating the Janko keyboard-a patented keyboard layout that enabled the player to cover a wider span of notes with each hand. Dates and serial numbers when the pianos were manufactured 1820 464 1830 701 1840 1189 1950 1906 1960 2900 1970 3800 1980 7800 1990 1 1 1 1 150076. Irmler had achieved a good profitable export business, particularly to North America, and they also had a steady home market. However, as other German makers were invading their home territories, Irmler quickly had to develop more aggressive tactics in selling their pianos and keep apace with the most advanced ideas of the time. In 1861 they introduced stream-driven works in their factory.
Later that same year Otto died, leaving the running of the factory to his younger brother, Oswald. The success that followed marked Irmler as one of Germany’s finest makers of pianos and by the turn of the century they had been honored by the courts of the emperor of Austria and the kings of Wurttemberg, Sweden, and Romania. Oswald died in 1905, leaving the firm in the very capable hands of his sons, Emil and Otto. Irmler carried on producing pianos independently until the 1950s.
Today they are made in Asia and European factories under the name Irmler Europe and imported into the United States by German Piano Imports. Dates and serial numbers when the pianos were manufactured 1850 5100 1860 5500 1870 6500 1880 7500 1890 8500 1900 41000. In 1980 a 300,000-square-foot factory was built, capable of producing sixty grand pianos a day. In 1989 the company presidency was passed to Shigeru’s son, Hirotaka Kawai, who has since invested millions of dollars to introduce robotic technology into the production process. In the last ten years, production sites have been established outside Japan, in the U.S., and Malaysia.
Determined to find a stronger and more stable material for action parts, Kawai pioneered the use of the polymer composite acrylonitrile butadiene styrene, from which their action parts are made today. Dates and serial numbers when the pianos were manufactured 1925 4200 1930 6000 1940 9600 1950 4 11 19 2410000. In the early 1980s Kemble came within the whisker of closing, but at the last minute won the biggest contract to build pianos in the U.K.
Industry, making the Dietman range of pianos for Ibach. In 1984 Kemble fund itself in difficulties once again and once more Yamaha heavily invested in the business, this time taking majority control. By 1986 Kemble was producing pianos under the Yamaha name for the European market and a large investment was made to increase production dramatically. In 1992 Kemble achieved the Queen’s award for exports, which had more than doubled in a three-year period. Output hits its high point in 1999, when nearly 7,000 pianos were maid.
Production has now been moved to Asia. Dates and serial numbers when the pianos were manufactured 1930 1 1 1 2 298201. In 1959 the Jasper Corporation, a manufacturer of office furniture, bought the company and later changed its name to Kimball International. Its staff had no previous experience of producing pianos, and this showed, with over half of all the piano produced being returned to the factory. Production techniques did improve and were further aided by the acquisition of the great Austrian piano makers Bosendorfer in 1966 and the American firm Krakauer in 1980. Until 1996 Kimball International continued to produce large quantities of low-priced instruments.
In 1995 Kimball stopped making grand pianos and production of uprights stopped the following year. Bosendorfer still operates autonomously. Dates and serial numbers when the pianos were manufactured 1870 8500 1900 2 3 3 4 5 6 7 B R R20401. Despite the takeover and the formation of the Knabe Brothers Company, Knabe continued to sell their pianos and by 1916 production had reached 3,000 pianos a year. The American Piano Company became part of the Aeolian Corporation in 1932, and continued to produce upright and grand pianos until Aeolian’s collapse in 1985, when the Knabe name, equipment, patterns, and unfinished pianos were all sold to Sohmer & Co.
Today the Young Chang company produces pianos bearing the Wm. Knabe name in its Korean factory and KB Knabe in its Chinese plant. Dates and serial numbers when the pianos were manufactured 1855 5900 1860 7400 1870 1 1 1 1 1 194164. The Knight iron frame offers twice the strength of those in an average piano. It is a full-perimeter frame built on a girder principle that is secured to a four-post beech back. The pin block is fitted in a pocket cast into the frame for exceptional tuning stability.
There is no treble stress bar in the K10 model. Several resisting bars are cast in the bottom left-hand corner of the piano to resist the strings’ tension, eliminating the possibility of weak-sounding notes. Hard fiber plate bushing are used to support the tuning pins to enhance tuning stability. The bass strings are covered with extra heavy pure copper, giving a total weight of 7 lbs(3kgs) a set. Dates and serial numbers when the pianos were manufactured 1855 420 1860 960 1870 3200 1880 7900 1890 1 1 2 209960.
Ronisch prospered between the wars, but the company’s Dresden factory was destroyed in bombing raids in 1945, and production was moved to Hupfeld’s Leipzig factory. The following year Leipzig Pianofortefabrik was born, and by 1986 annual output stood at 8,600. Following German Reunification in 1990, the production process was reorganized and the range redesigned. Pfeiffer bought Ronisch in 1997, and established Pianofortefabrik Leipzig GmbH, a new home where the creativity and quality of the Ronisch name lives on. Dates and serial numbers when the pianos were manufactured 1855 420 1860 960 1870 3200 1880 7900 1890 1 1 2 209960. In 1985, after the demise of Aeolian, Mason & Hamlin was acquired by the Sohmer Company, which was in turn acquired by Falcone Piano Company in 1989. In 1995, Mason & Hamlin Companies (including Knabe, Falcone, and Sohmer), which had emerged after the buyout in 1991, filed for bankcruptcy and was rescued by Piano Disc.
Under new and committed ownership, every part of the company has been revitalized and, in 2002, Mason & Hamlin pianos are near-perfect reproduction of a very best early twenteith-century models. Dates and serial numbers when the pianos were manufactured 1885 1893 1890 5700 1900 90988. New factories were built, first in 1970 to increase production of upright pianos, and then in 1989 a second plant to concentrate on the grand piano market. By 1990 serial numbers had reached 450,000. Petrof currently produces around 12,000 uprights and 1,750 pianos a year, and employs 1,000 people. Tovarna na piano, established in 1997, united with Petrof in 2001, marking the climax of a privatization process that began in 1991. Dates and serial numbers when the pianos were manufactured 1900 1 3 5 570000.
In 1934 Pleyel acquired the firm of Antoine Bord. In 1961, facing financial difficulties, the firm merged with the combined firms of Erard and Gaveau. This conglomerate was acquired in 1971 by the Shimmel Company, which produce a small number of Pleyel pianos each year. Then in 1994, the Rameau company bought the names of Pleyel and Gaveau, and two years later Pleyel took control once more, opening a state-of-the-art production and R&D unit in Ales in the South of France, where they continue to make superb pianos faithful to the Pleyel tradition. Dates and serial numbers when the pianos were manufactured 1810 760 1820 2100 1836 5010 1843 2000 1861 1 1 1 1 1 1 2 2 2 2 2 261800. Founded in 1958 by chairman Hyo Ick Lee, the company swung into full production of upright pianos under the brand name Horugel. This name would be used until the 1970s, when the Samik brand was introduced.
A leading light in its domestic market, Samik became, in 1964, the first Korean company to export pianos, sending ten uprights to Hongkong. Output of uprights steadily grew and, spurred on by the Price of Piano Development awarded by the Korean Ministry of Trade and Industry in 1970, Samik became the first Korean manufacturer of grand pianos. The following years were to be spent securing a position on the world stage, and resources were focused on expanding the company’s exports. Samik opened a branch in West Germany in 1980 and later entered a joint venture with the American Baldwin Piano and Organ Company. The company has worked tirelessly since its founding to expand its production facilities. By the 1990s, after several changes in factories, the company could boast separate plants for upright, grand and digital piano production, all incorporating the latest development in machinery.
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In 1996 Samik opened a factory in Indonesia incorporating its own wood processing plan, were both uprights and grands are now built. With a new line of pianos for the millennium-and after just forty-four years producing musical instrument-Samik have come a long way in a short time, and look set to play a significant role in the future. Dates and serial numbers when the pianos were manufactured 1960 HIKO 0001.
2001 KJKA 0001. Carl Sauter’s son, Ulrich, is now a prominent member of the firm, ensuring that the family tradition lives on into a new century, and 2001 has already seen the unveiling of a new Sauter concert grand after years of development. Sauter developed the “2 Double Escapement Action” for upright pianos to even out the differences in touch between an upright piano action and that of a grand. The action includes an extra jack spring to aid repetition. A grand piano was made by Sauter for the Paris Conservatory to help a pianist to perform music written for a prepared piano. It was decorated with inlaid lines on the dampers and colored lines on the soundboard to identify the keyboard layout on the strung back and also to indicate where to touch the strings to produce harmonics. This piano has now been integrated into the Sauter line.
Dates and serial numbers when the pianos were manufactured 1840 900 1860 1624 1870 2500 1880 3300 1890 4100 1900 5000 1910 6002 1948 108304. Nikolaus Wilhelm Schimmel’s succession to the company’s leadership in 1961 saw the traditions of this fine German house pass on seamlessly to the third generation. A new factory was built in 1966 and a decision was taken to erect a new plant containing a concert hall and exhibition area; this grand project was finally completed in 1980. In that year, Schimmel made 10,000 pianos in its new facility, 1,000 of which bore a names Erard, Gaveau, or Pleyel (which they made under license between 1970 and 1993).
The company is still owned by members of the Seiler family, Ursula and Manuela, who are dedicated to preserving this make’s individual sound. Over the last five years, Seiler have re-analyzed their range of pianos to improve the quality of sound and the manufacturing process. Seiler’s Membrator System (a specially tapered soundboard) and Tonal Volume Stabilizer (equalized tension across the bridges) increase the resonance of the soundboard and the volume of sound. Dates and serial numbers when the pianos were manufactured 1870 2000 1880 7291 1890 1 1 1 160000. The Steinway family sold the firm to C.B.S. In 1985 it was sold to Steinway Musical Properties, Inc., who brought in engineers from non-piano-making backgrounds to find the right balance between modern engineering and traditional handcrafted methods, in an effort to streamline the manufacturing process. This has not resulted in any evident modifications to the design of the pianos.
Dates and serial numbers when the pianos were manufactured 1860 3000 1870 1 2 2 3 3 3 4 4 5 549600. All Stuart pianos are custom-made by Piano Australia Pty Ltd, who also manage the sales and the service. With each handmade piano taking about a year to complete, output is small, and most of the instruments are built to order. Production of Welmar upright pianos continued at the London factory until 2000, when the Whelpdale, Maxwell & Codd group- making pianos with the names Welmar, Knight, Bentley, Broadwood, and Marshall & Rose – merge with the Woodchester Piano Company to form the British Piano Manufacturing Company. Today all these pianos are produced in one of the most famous piano factories in England, Woodchester Mills near Stroud. Dates and serial numbers when the pianos were manufactured 1925 1 111000.
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