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Acoustic insulation for an isobox
Old 13th March 2021
  #1
Gear Maniac
 
loziodavid's Avatar
Acoustic insulation for an isobox

After yers trying various digital systems, I decided to buy an isobox and go back to the analog.
There is a significant reduction in dB compared to a traditional guitar cabinet, but I would like to further improve the insulation.
I'm thinking of applying adhesive soundproofing panels to the isobox. I discovered that the most used products for this purpose are cork panels, polyethylene foam, and rubber-lead panels, but being totally a newbye in acoustics and sound insulation I ask you what could be the most suitable products and how to use them.
Which ones to choose exactly (materials, thickness) and what results can I expect?
Old 13th March 2021
  #2
Lives for gear
 
Kyle P. Gushue's Avatar
 
1 Review written
🎧 5 years
for a reduction in DB you need mass. Drywall, MDF, plywood, OSB, lead, steel, all can work.

Each time you double the mass you gain roughly 6db. So a single layer +1 = 6db. Now you have 2 layers, yiu must add another 2 for the next 6db. Now you have 4 and must add 4 more for the next 6db.

Make sure the seams are staggered, and sealed air tight with non hardening caulking.
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