I want to build an acoustically isolated rack for some studio equipment, and would like advice on its design. I need to reduce the volume of the fans of the amplifiers. Their power dissipation are low, so I will likely just need a single quiet pc fan for cooling the rack; I have found fans that are significantly quieter than those of the amplifiers, so I could simply mount one on the rack. However I don't know:
*what the rack should be constructed of for appropriate attenuation, or what linings to use, and any other measures such as mounts for the rack (which will be floor-standing on concrete), and mounting the amps to the rack. *
(The amps will not need to be accessed during normal use once installed). Thanks