Bass Trap Back Fill

[Mark IsnerParticipant]

Hi all,

I've been doing some research, is it beneficial to fill behind bass trap panels? My room is 12'9" x 8'5" x 8' ceiling.

Thanks to all who reply, cheers.

• This topic was modified 4 years ago by Mark Isner.

[Magnus EmilssonParticipant]

Hi Mark.

This is going to be an boring answer.
It really depends on the type of bass trap. If it is a resonating bass trap, those are often set up to have a bit of free air behind them. If it is a "damping" bass trap adding to the damping should only help.

/Magnus

[NikhilParticipant]

A few questions come to mind immediately-

what type of traps are these? Are they absorber panels that you'll be placing at the corners?
or are they side wall/ceiling mounted panels?

How thick are the panels?

If these are DIY absorber panels (foam/fiberglass), I'd lean towards having them just be covered
with fabric on both sides, and space them 2-4 inches from the wall if space permits, for increased effectiveness.
Of course this answer may change if its a different type of panel being used.

Good luck!

[OziBattlerParticipant]

The John Sayers design forum is a great resource for acoustic treatment questions.

https://www.johnlsayers.com/phpBB2/viewforum.php?f=3

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