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Piano Carbon Platform

Salk Institute Science & Music Series

Pianos are speakers

Pianos are full range instruments. They go down into the 20 cycle range and up through 20 k. They do not have a moving diaphragm. They have a string board, a large string board in the case of a 7′ long concert grand piano. They have a cabinet to house the string board and keys that strike strings producing fundamentals and more importantly harmonics. They are a very large speaker sitting on a floor. Sound familiar?


Any speaker that sits on a floor is subject to distortion between the speaker and the closest boundary surface. We know from past videos, we have SBIE, speaker boundary interference effect, comb filtering, and low frequency unwanted modal pressure build up. Anytime we can elevate a large, full range, energy producing source away from floors, walls, etc. we minimize all of these issues and smooth out room response.


A large speaker produces vibrations. These vibrations transfer through the air and through the floor. Vibrations in the air produce unwanted modal pressure issues. Vibrations through solids cause the solids to vibrate. This vibration can produce its own sound. Ever heard a stage vibrate? Even the sustain pedal on a piano produces sound through vibration management. Anytime we can separate source from the surface it is placed upon, we have increased sound quality.


All of the issues discussed above require treatment. Full range sources produce energy that goes from 20 Hz. – 20,000 Hz. and higher. When you set them on a surface and produce large amplitudes, you have large acoustic issues. All low, middle, and high-frequency issues must be treated through absorption. The best way to absorb unwanted and excess energy is to attenuate close to the cause. You must place the correct rate and level of absorption close to the piano.

Piano Platform

Our piano platform elevates, isolates, and attenuates. It elevates the piano away from the floor. It raises the piano 10″ off the floor and can be designed to be higher. It isolates the vibrations from the string board to the floorboard. With less vibration transmission, we have less floor “sound”. Our piano platform attenuates low-frequency energy as close to the source as possible with our carbon technology. You can’t get any closer to source than that.

Salk Music Series

From its inception, the Salk Institute has seamlessly merged both science and art at the highest levels, creating a unique environment to the benefit of humanity. From 23 years of Symphony at Salk to the celebrated glass art of Dale Chihuly, the Institute cultivates passion and creativity on an unparalleled scale. Our Nobel Laureates and National Academy of Science researchers have set the gold standard for biological discovery and medical breakthroughs for five decades. It is in this spirit that the Salk presents The Salk Science and Music Series. This season’s program is meant to both amaze and inspire.

Read more about the Salk Music Series here

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