Sand Box Project Vibrations not in our school

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Sand Box Project
Vibrations not in our school


This is a project I built a shock-absorbent sand box
Thickness of 20 mm wooden walls
Tank depth 120 mm
25 kilo grams of sand
 

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certainly i have two AUDIOPHILE BASE
I built the sandbox for 3910
He improved the sound stage
And it is much more defined
Also also changed in 3910
DVD's legs to cork
Now I'm starting DIY Project
Replace the OPAMPS from 2068D to AD8620
10 op amps .
Later I replaced the master clock
And after that the resistors and capacitors
 
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