In string instrument, the sound post is a cylinder device inside the instrument spanning the space between the top and back plates. The sound post is sometimes referred to as the âme, a French word meaning “soul”. Also, the Italians use the same term, anima, to describe sound post. It serves as a structural support for an archtop instrument, transfers sound from the top plate to the back plate.
Mismatch between the sound post and the violin top and back plate, as well as traditional sound post setup methods can cause irreversible damage to the plates. For five hundred years, professional violin makers have been working hard to cut out the sound post of the arc in the resonance box for each violin and find the best sound position. It is a pity that the sound post, which is limited by the quality of the wood, the craftsmanship and the poor fit, can exert an average violin potential of less than 20%, and it will cause serious damage to the violin resonance box.
In the historical patent records of many countries, we can find out the invention and patents of the violin post. But at the time, due to many reasons such as lack of materials, these inventions and patents have not yet completed a mature product. Due to the progress of the times, mature materials that meet the acoustic quality of violin have been born, making it possible to turn iSoundpost into a mature product. iSoundpost has also obtained patent approvals for multiple countries and regions for its innovation and improvement.
Reducing damage to the violin is the main design concept of iSoundpost. The components of iSoundpost are: bearing, bearing joint, cylinder, core and Pythagoras wheel. iSoundpost has been installed and tested on thousands of violins. Its excellent mechanical structural design and high-tech quality materials ensure the stability and durability of iSoundpost installed in your violin.
The universal design allows the instruments of different arc heights and arches to be mounted using the iSoundpost. Tools used are less without any cutting process. The iSoundpost installation saves time compared to traditional sound post setup.
The overall sound transmission speed of an iSoundpost has exceeded 15,000 m/s, which is much faster than the sound transmission speed of the traditional spruce sound post. Such a fast sound transmission speed will change the vibration mode of the traditional top and back plates, which will greatly improve the sensitivity and volume of the instruments. (Experiments data source: Taiwan Chimei Museum)
Installing different cores will allow iSoundpost to perform differently. We inducted many different types of 100-nanometer surface processed material, using them as the core for iSoundpost. Material such as pure titanium, 14K gold, aluminum alloy, and artificial diamond, are all used to make the core for iSoundpost. Selecting a suitable core requires knowledge of the instrument, its shape, arching, thickness, and bass bar’s position, these are all essential criteria for choosing a desirable core, allowing the instrument to present a variety of sound, reaching its full potential.
Installation iSoundpost is made up of special tools that have been carefully designed to reduce the likelihood of accidental damage to the violin by traditional tools. However, we recommend that you accept the service at our certified installation service workshop to ensure that iSoundpost is installed correctly to perform its best.
The following are some of the basic technical specifications of iSoundpost, which can be adapted to meet the existing standard violin use of more than 95%.
| Designed for | Bearing joint diameter | Minimum Height | Maximum Height |
|---|---|---|---|
| Violin | 6.2mm | 47mm | 65mm |
| Viola | 7.5mm | 63mm | 82mm |
| Cello | 12mm | 146mm | 190mm |
iSoundpost for ViolinALDC Core + Pythagoras wheel
iSoundpost for ViolaALDC Core + Pythagoras wheel
iSoundpost for CelloALDC Core + Pythagoras wheel
iSoundpost for Double BassALDC Core + Pythagoras wheel
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