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What is an Acrosonic Piano?

If you're a piano player, you have probably come across the Acrosonic piano a few times in your lifetime. Coming from one of the mainstream piano providers (Baldwin), the Acrosonic piano creates a unique sound that has kept it in use for almost 80 years.


The Acrosonic piano by Baldwin has 88 keys and stands about three and a half feet tall. The overall look of the piano is shorter than a typical piano and the strings of the instrument are shorter in length, causing the tone to not be as deep as most pianos.


Dwight Hamilton Baldwin, the founder of Baldwin pianos, established his Baldwin Piano & Organ Co. in 1862. This music teacher from Cincinnati passed away in 1899, but his company introduced the Acrosonic vertical (or upright) piano to the public in 1936. With its "supreme sound," the Acrosonic piano is well respected by piano teachers, musicians and technicians who use it today.


According to Gibson.com, the Acrosonic piano is 43 1/2 inches high, 57 1/4 inches wide and 25 1/2 inches deep. It weighs in at 368 pounds. The keys are 16 inches long.


It has a "full blow—direct" action type that has a 23 percent faster repetition rate with dynamics. The material is made of hard rock maple wood and the keys are dressed with a coating made to resist chipping and stains. The piano includes a back frame and plate for the soundboard assembly that helps keep the tuning stable.


The Acrosonic is made from different types of woods. The vintage mahogany is a dark, rich brownish wood while the regal oak is a light brown wood. Another type of wood that is found on acrosonic pianos is royal cherry, a dark red wood that could be considered maroon.

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