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| | #1 |
| Gear interested Join Date: Nov 2009
Posts: 3
| Odd shaped room with low end grief: tuned or broadband? Hi all, I’m new to the forum etc. I have searched out quite a few posts already on this forum, all of them being incredibly useful in understanding the treatment my room needs. However I am still unclear on a few things. Firstly I will explain my set-up: Currently in a room which is approx 13ft x 13ft ☹ x 7+1/2ft. The room is not a normal shape whatsoever though as although the ceiling is constantly 7+1/2 ft down the centre, but where it joins the walls on either side it curves down to 2+1/2 ft in the back corners. The result is a curved semi-circle type shape when facing the back half of the room, with windows at the very back. I have set up my listening position up the other “normal” shaped end of the room as I wanted to avoid the acoustics of the “eyebrow” shaped end (focal point?). My other issue is that at the normal shaped end, a door is in one corner and shelves in the other. Any treatment I do needs to be temporary as it’s not my property, so moving the shelves is out, and the door needs to open and close fully with no obstruction. The way I see it this leaves me with the front and side walls only for bass trapping, along with the back corners. I currently put my first axial mode at around 42 hz (though this was calculated on the room being a rectangle shape, as I don’t know how to factor in the odd shaped roof). My plan is to super chunk the back two corners, but with them both being short I am concerned this won’t be enough bass trapping. I also have already built 4 bass traps, 4ft x 2ft x 4inches rocksil in wooden frames spaced about 4 inches from the wall: 2 on either side of the listening position to counter flutter echo and two on the front wall. They’ve not made a massive amount of difference to the low end to be honest, so my questions are: to deal with my low end standing waves, what is the best option? More bass traps of the same spec covering the side/front walls? More bass traps of different (please advise) spec covering the side/front walls? Or a tuned panel trap? Also – am I better to fill in the back two corners with fibreglass or build tuned corner traps there too? Thanks in advance for you help and sorry for the long post! Alex |
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| | #2 | ||||
| Lives for gear Join Date: Jul 2005 Location: Atlanta, GA
Posts: 7,187
| Quote:
Quote:
Room EQ Wizard Home Page Quote:
Also you need Thick absorption on the back wall, to help with nulls and peaks coming from that area.Quote:
__________________ Glenn Kuras GIK Acoustics USA GIK Acoustics Europe 1 888 986 2789 (USA) +44 (0) 20 7558 8976 (UK) Skype:gik.acoustics Room Set Up Help | ||||
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| | #3 | |||
| Gear interested Join Date: Nov 2009
Posts: 3
| Hey Glenn – many thanks for the reply, much appreciated! Forgive me, but I have a few more questions/comments. Quote:
Quote:
Quote:
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| | #4 | ||
| Lives for gear Join Date: Jul 2005 Location: Atlanta, GA
Posts: 7,187
| Quote:
Also you could put the panels on stands and put in corners. Quote:
__________________ Glenn Kuras GIK Acoustics USA GIK Acoustics Europe 1 888 986 2789 (USA) +44 (0) 20 7558 8976 (UK) Skype:gik.acoustics Room Set Up Help | ||
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| | #5 |
| Gear interested Join Date: Nov 2009
Posts: 3
| OK great advice – thanks. One more question and I think I’m done! The 6” bass trapping at the back of the room – should I mount this slightly off the wall? Also – I could afford to lose a bit more room at the back – would thicker fibreglass be beneficial? Thanks for all of your help! |
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| | #6 |
| Lives for gear Join Date: Jul 2005 Location: Atlanta, GA
Posts: 7,187
| Thicker is always better and yes you do want to space it off the wall a few inches if possible.
__________________ Glenn Kuras GIK Acoustics USA GIK Acoustics Europe 1 888 986 2789 (USA) +44 (0) 20 7558 8976 (UK) Skype:gik.acoustics Room Set Up Help |
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