The production of the Steinway Diaphragmatic Soundboard is based on a 1936 patent to achieve optimum performance in dynamic range and maximum sustain. To meet the highest quality standards, only superior Sitka spruce with a regular grain and prescribed minimum number of annual growth rings is acceptable. The soundboard lies at the heart of a Steinway grand or upright piano, which is why great care is needed both in its design and in the selection of the wood. Large maple dowel ends provide a solid mount for adjustable brass touch-regulating screws. Crowned and reverse-crowned action frame gives a snug fit, intensifies key movement and prevents “slapping” during heavy playing. Horizonal and vertical birch planks present a vented system for humidity escapement. Durable Linden wood buttons reinforce keys over balance rail, permitting maximum tonal power with every strike. Chip-proof, stain-resistant coverings for naturals slip-proof, abraded ebonized sharps. keysĮuropean spruce, individually weighed-off. Horizontal-cut premium wool for effective dampening with maple heads for endurance. Compression-wired to maintain permanent shape. Premium wool top felt and under felt treated to resist insects and moisture. ![]() Longest: Agraffe/bridge: 79¼" (201 cm) hammers Treble: twelve whole & one-half sizes from high-tensile Swedish steel.īass: Swedish steel core wire wound with pure copper. Premium blued steel rust-resistant, nickeled heads strings Made from durable, resinous sugar pine to assure strong and constant support of string down-bearing on the soundboard rib ends are hand-fitted. Overstrung combination agraffe Front AND rear duplex. The Steinway & Sons iron wedge anchors brace ends securely to crossblock assuring permanent rim posture. A cast iron treble bell, affixed to rim's underside at treble bend, holds plate firmly in position by means of a steel bolt. Maple dowels fasten braces to rim producing a single homogenous foundation upon which is built the entire tonal component. ![]() (47,637 cm 3) Spruce provides tensile strength with less weight. ![]() If you choose to do business with this business, please let the business know that you contacted BBB for a BBB Business Profile.Īs a matter of policy, BBB does not endorse any product, service or business.5 solid spruce braces with a volume of 2,907 cu. BBB Business Profiles are subject to change at any time. When considering complaint information, please take into account the company's size and volume of transactions, and understand that the nature of complaints and a firm's responses to them are often more important than the number of complaints.īBB Business Profiles generally cover a three-year reporting period. However, BBB does not verify the accuracy of information provided by third parties, and does not guarantee the accuracy of any information in Business Profiles. BBB asks third parties who publish complaints, reviews and/or responses on this website to affirm that the information provided is accurate. BBB Business Profiles may not be reproduced for sales or promotional purposes.īBB Business Profiles are provided solely to assist you in exercising your own best judgment.
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