Steingraeber & Söhne A-170 vleugel

 
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Steingraeber & Sons 170

We do not consider our A-170 salon grand piano a baby grand piano, because its sound is so much more impressive than you would expect from an instrument of this size. Its sound reproduction and volume are certainly surprising for an instrument of this size. In physical terms, this phenomenon is based on its unusually wide tail that can accommodate very long bass strings.
The bass bridge also works without 'bridge building', just as is the case with large grand pianos! The advanced mechanism, constructed to the highest standards, makes it a truly professional instrument. Top quality wood The quality of the wood is of vital importance for a piano maker and Steingraeber & Söhne does not take any risks. It is stored at a carefully controlled and constant humidity of 40%. Steingraeber exclusively uses 'Bergfichte•, slowly grown spruce wood with the annual rings close together, of at least 25 years old for soundboards. "The soundboard is not only an amplifier, but also the source of the sound. Therefore, the resonance of the wood must correspond to the register of the piano for which it is being used.

The solid red and white beech wood used for the combs is left to rest for another three years after entering the factory before being processed. Principles of classical keyboard construction To achieve optimal results, everything is assembled in the workshops at Steingraeber & Söhne down to the millimeter: Soundboard, bridge, cast iron frame are adapted to the soundboard and not the other way around. The frame is first coated with paint and from the print on the tuning block (which, depending on the model, consists of 20 to 32 layers of beech wood) you can read whether the connection for optimal communication between the different parts is perfect.
All this is extremely important because, as they say at Steingraeber: "the energy from the string must be transferred to the soundboard as efficiently as possible. with as little or no loss as possible." That is why even the smallest detail is not forgotten. For example, the pins that hold the strings in place on the bridge are made from exceptionally hard steel by a specialized company. Sticking the comb is also a job that requires special attention and craftsmanship.

At Steingraeber it is still manual work that involves a lot of 'Fingerspitzengefühl'. Production process It is not just about top materials and craftsmanship, time is also an important factor, which is highly underestimated according to Steingraeber & Söhne. At Steingraeber & Söhne, the total production time for a piano takes four months, for a grand piano this is six months.