Need help with REW weird results

Q-ster

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Hello dear community, I am a newb here !

I recently moved to another home studio and so I did some acoustic measurements in order to adapt the acoustic treatment and I am quite sceptical when I look at the results
What I mean by that is that, except from some modes below 200Hz, it looks already pretty good.

I measured the L speaker and the R speaker separately.

I've read that my RT60 should be between 200 - 300 ms, and it is already the case in most frequencies...

My idea now is to use some Caruso Iso-bond WLG 045 (3000 ps/m2. ) in that config : two 40cm thick pannels, In order to handle what's under 200hz.
And I wanted to add two Caruso Iso-bond WLG 035 (10000 ps/m2) : on the first reflections spot,10cm thick. But I'm afraid it will be too much absorption.

So my questions would be :

- Do you identify a problem in how I set up my measures ?

- Is my absorbtion idea legit ?



Thakn you so much for your time !



Just in case, here's the gear I used :

Soundboard : Audient ID44
Speakers : Genelec 8020
Meas. mic : Behringer ECM 8000
 

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