This is a ceramic setting base. This ceramic is called alumina 96 and has a hardness of 9, second only to diamonds.
Adhesion to the bottom of speakers using double-sided tape etc.
You can install it on the stand as it is.
The sound tightens to feel good. Since it contains 16, it is easy to use.
this ceramic spacerYamamoto Sound CraftCombined with other products of.
Come on!
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