Broadband Acoustic Panels Options
Old 2nd December 2012
  #1
Gear interested
 

Thread Starter
Broadband Acoustic Panels Options

Hi

After searching on internet i find two options for 4 broadband acoustic panels.

1. Polyester panel 2' x 4' and 2'' thick. Density 2.2 lbs/3ft

Hz 125 250 500 1000 2000 4000
NRC 0,25 0,6 0,9 0,95 0,95 0,9

From local store 10 pieces US$ 120,00

2. Cotton Panel 2' x 4' and 2'' thick. Density 2.5 lbs/3ft

Hz 125 250 500 1000 2000 4000
NRC 0,27 0,87 1,17 1.15 0,96 1,06

From International dealer 6 pieces US$ 74,00 plus US$400,00 of tax's and shipping

actually i will make 4 panels with 4'' inches layering 2 panels

I know that the NRC of cotton is better. but in practice do it will make a really difference ?

with the cost difference, i could buy more of polyester panels, therefore, Is better many and many panels with little less absorption then just ones with little more ?

As the polyester is cheaper, the other idea is 4 panels 4'' inches plus 2 superchunk bass traps with this material.

Thanks
Old 2nd December 2012
  #2
Gear Guru
 
Glenn Kuras's Avatar
 

I have not used either but from the lab numbers they seem to be pretty similar. If they are then go with the cheaper one and build MORE.
Old 2nd December 2012
  #3
Gear interested
 

Thread Starter
Old 2nd December 2012
  #4
Gear interested
 

Thread Starter
Thanks very much Glenn
Old 2nd December 2012
  #5
Lives for gear
Quote:
Originally Posted by Glenn Kuras View Post
If they are then go with the cheaper one and build MORE.
I behave as if this is my mantra.
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