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Hi Dennis,

It seems to me that you have to consider both prime number, depth and width in determining your frequency-response range, correct?

If I want to be able to calculate this myself, how should I do this?

I’ve found this:

http://www.mh-audio.nl/Acousti…..asp#calcul

Would that be accurate enough?

Thx!

Mads

Thank you Dennis! Great stuff..

I’ve bought the plans now.

I’m in doubt if my room is too small for effective diffusion.

I’m building a home theater where you have the dimension 5,1 m x 4,3 m x 2,7 m. I’ve learned that I have to treat LFE first. Planning on absorption on sides and maybe diaphragmatic bass trap in 2 cornes.

My seating is aprox 1 m from the rear wall. Is that enough for a Q7D to work, or how far should I sit? You say 1,5-2 times deepest well wavelenght. Others say 3 times, and say I should go with absorption . I’m confused :) I’ve filled the roomanalisys btw :)

Mads