Setting base PB-9, PB-10 are the setting base for the amplifier, speaker that combine each independently or mutually and use. The material is hardest in every wood material even the strength is using one African ebony material (official scientific name African Black Wood) of a high material. There is an established opinion in the goodness of the sound, with the material that is used to the oboe and the clarinet of the musical instrument actually, although this material is a rare material now. PB-9 is doing the pin style and spread under the amplifier and speaker as it is and can make the point support. Also, we spread PB-10 of spike pin under the pin of the speaker and amplifier that are doing the concavity and was attached and able to use as the receiver base. Also, PB-9, PB-10 become flat with a top and bottom face when combines each and amplifier use downward as the top and bottom structure and support stability good audio devices and can make 3 points or 4 point supports. There are many case that the metal unique resonance sound leads to the spike made of the metal although there are many cases usually the metal is used in these pinpoint base and can obtain the playback sound that prevents those resonance sound and became perfectly clear to the ear comfortably by combining the hard wood material of PB-9, PB-10 etc. of our company. The spike of the metal, encroach appropriately by combining PB-10, although the resonance sound is easy to get on when we receive the spike pin made of the metal with the plate of the metal especially and stabilize and can prevent metallic resonance moreover,.
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