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Old 6th June 2019
Gear Head

Originally Posted by Hannes_F View Post

what I wrote only applies to absorption, and there only in the case when you have the thickness of the absorbing panel as a free parameter of your choice. A Helmholtz absorber is an entirely different topic, so let not yourself confuse with what I wrote above.

Hope this helps
Thanks, Hannes.

But that doesn't explain why a high absorption figure equates to lower attentuantion in dB. Unless I'm misinterpreting your post.