| 摘要 |
<p>PURPOSE:To sufficiently faithfully reproduce the original sound quality without any electric revamping for an acoustic equipment system or the like by providing the surface layer part made of a bainite cast iron and the internal part made of a pearlite cast iron to the titled stand so as to absorb almost entirely the resonance of the sound by the acoustic equipment. CONSTITUTION:The stand is provided with the surface layer part made of a bainite cast iron and the internal part made of a pearlite cast iron. When a bending stress is exerted to the stand 1 by the vibration energy propagated from the acoustic equipment 3, the bainite material and the fine pearlite material are subjected to elastic deformation and the vibration energy to deform the stand is absorbed by the friction in the bainite part, the mutual friction at the boundary between the bainite part the fine pearlite part and the friction of the fine pearlite part. Thus, the resonance operation of the stand by the vibration energy of the acoustic equipment is attenuated quickly.</p> |
