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Suckout at 40 hertz...less pricey solutions?

Can bass traps or other room treatment help with measured 40 hertz bass suckout?

Problem is my listening room is almost a square.

My speakers Have powered woofers and try as my speaker dealer has to dial in the speakers he could not eliminate the 40 hertz suckout without making matters worse

my four walls and ceiling have absorption material and the ceiling is not flat nor low. It's a sloping ceiling 9-12 feet

I could massage part of the problem by adding an additional powered woofer to the speaker . The upgrade to my model is designed to have a powered woofer On top and bottom.

Cheaper of course would be room treatments

most expensive would be knocking out a wall making a rectangle but that in my converted garage would be the most pricey!

Any thoughts

thanks

mike

ps. Room sounds good but would like to within reason maximize potential of my excellent equipment
radioheadokplayer

Showing 1 response by ngjockey

ngjockey
1,042 posts
 
40 Hz is tough. Nothing commercially available would touch that. If they could, it would be too big to be shipped.

You could make an entire wall as a series of 4' X 8' membrane panels. 1/4" panelling or hardboard or even 1/2" drywall could serve as the membrane if its furred out, even just an inch, from the center studs. Screws at the edges only, maybe some Silflex (marine adhesive silicone) to alleviate rattling. Caulk it airtight and lots of rigid fiberglass insulation (not touching the membrane) . Of course, you wouldn't want to hang pictures on that wall.
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