Mid-Low Frequency absorver

Hi! I´m fernando again... sorry If I bother... I recently came for the Conference Room that I´m working at... we make some measures with RTA´s and we find a few troubles... I just want to know how can I build an absrover panel that works for 500 Hz (aprox.) I´d built some aborvers for hig-mid freq´s in the past and they work just fine.. but this is a little different. Thanx a lot! I really preciate your inputs!!!! Fernando Musarra AWS

Fernando check these out - http://www.ethanwiner.com/basstrap.html James

Fernando it is probably best to build a slot resonator tuned to a center frequency of 500Hz (which is probably a bit high for Ethan's panel absorbers which are more suited to lower frequencies.) Standard rigid fibreglass panels will aslo absorb down past 500hz. cheers John

Well James & John... I´m really glad of read yor replies! Thanks a lot once more! Fernando Musarra AWS