Feedback on Costco & Amazon sound absorption panels from folks who have purchased them.

Hoping to derail the discussion, but how do you know where to place the panels?

@rvpiano 

To optimize sound quality in a listening room, acoustic panels should be strategically placed to absorb sound reflections and reduce echoes. Key areas to focus on include first reflection points on side walls, the rear wall, and sometimes the ceiling. Consider using panels on the back wall to prevent strong reflections, and in corners for bass absorption. 

Here's a more detailed breakdown:

1. First Reflection Points: 

• Side Walls:

  Place panels at the points where sound waves first bounce off the walls after leaving the speakers. This helps prevent comb filtering and other issues caused by reflections. 

• Mirror Trick:

  Use a mirror to identify these points by sitting in your listening position and having someone move a mirror along the wall until you can see the speakers. 

2. Rear Wall: 

• Absorption:

  Treat the back wall to prevent strong reflections that can muddy the sound. 

• Bass Traps:

  In corners, consider using bass traps for more effective low-frequency absorption. 

3. Ceiling: 

• Ceiling Clouds: A ceiling cloud can help minimize reflections from above, especially in rooms with high ceilings. 

4. Other Considerations: 

• Floor:

  A rug or carpet under the listening position can absorb first reflections from the floor, but avoid carpeting the entire floor as it primarily absorbs high frequencies. 

• Speaker Placement:

  Strategic speaker placement is crucial for overall sound quality, so consider the Golden Triangle method. 

• Symmetry:

  If possible, try to maintain symmetry in the placement of panels on the left and right sidewalls. 

• Acoustic Measurements:

  Measuring the room response after treatment can help you fine-tune your panel placement and coverage. 

You can watch this video to learn more about acoustic panel placement: 

30s

GIK Acoustics

YouTube · Jun 28, 2021

We have been through this before

we designed and fabricated all the acoustic panels for rev runs  renovation secret cinema

https://flic.kr/s/aHsk7BnbES

personally never liked Owens corning as an acoustic panels these types of panels absorb too much sound and make the room too dead they are great for slap echo only

instead we built our panels from https://www.acousticalsurfaces.com/sound-silencer/ceiling-wall-panel/

https://www.acousticalsurfaces.com/sound-silencer/ceiling-wall-panel/

theses panels are unique they are both absorptive  and diffusive at the same time

so they make the room sound better without making the room sound dead

give us a call we can assist you 

dave and Troy

Audio intellect NJ

@gkelly  Thank you so much for your detailed answer.

A lot of great ideas, thank you.  In regards to using the Corning 703, there is a great place in Burbank CA called Speaker City USA that sell speaker grill material on a giant roll.  Seems like a good material to try out.  -John