View Single Post
Old 3rd June 2020
  #3
Lives for gear
 
voodoo4u's Avatar
 

Quote:
Originally Posted by avare View Post
Have a look at Schultz for high frequency cut off and vary the depth of absorbent material for the low frequency cut off.
Yes, of course, perforated metal. This is exactly what I'm looking for. Thank you very much Avare.