DIY speaker isolation base for a wood floor


A definite sonic improvement in tightening up the bass. 
1. Start with 4 aluminum cones. I used some old Mod Squad Tip Toes.
2. 16x16 slab of granite.
3. 1/8 cork.
4. 1/2 inch neoprene rubber.
5. 1/8 cork.
6. Top with another 16x16 slab of granite.
7. Enclosed with a wood cradle to hide the mechanism.
  The granite is from scraps from a shop and was cheap. The added 1/4 inch of neoprene to 1/2 inch thickness did help. Let me hear your thoughts.
128x128blueranger
If one was purely trying to isolate than springs make sense but that is based on the assumption that is the best path forward always. It is not. 
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  1. Does Sorbathane convert motion into heat? ... yes
  2. Is turning motion (vibration) into heat as opposed to sound where cabinet motion is an issue a good thing? ... yes
  3. Do springs store energy? ... well of course yes. The better the spring, the more perfect it’s energy storage.
  4. Is isolation always the path to the best sound? Of course not.

Feel free to address 1 to 4 in a cogent manner.
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