OC 703FRK Question

S Hardin · 19th December 2011

Hi guys. Have been experimenting with different absorbtion solutions in the mix room of my project/home-studio for about a year now. Has been a tremendous learning process (still learning), and this site has provided a ton of great guidance. Mix room is 12L x 10W x 9H.

I am currently finishing 4" 703 traps for the corners using some panel frames I originally constructed (picture below-ignore the sonocolumn... was getting it off the floor and out of the way). There will be at least a 6-8" gap behind the trap in the corner.

Here's my question. Essentially I have 2" 703FRKs that I'm going to stack with another non-FRK OC 703 and then wrap. Before I get started I've read in numerous places that the foil should be turned out - and as such will provide some mid and high reflection - and it should never be at the back of the trap.

The very tight corner in the second pict is another question all-together.

Any guidance would be appreciated.

Glenn Kuras · 19th December 2011

Yes you want to have the FRK facing out in the room. It will act as a membrane that will reflect some upper frequencies and help absorb a bit more low frequencies.

S Hardin · 19th December 2011

Thanks Glenn. I knew you'd be fast to provide guidance

Chris · 20th December 2011

Glenn, would using FRK on a cloud be preferred or not? Also, does it only need to be the first piece, or does it have to be all of them?

kasmira · 21st December 2011

It only needs to be the first piece facing into the room. If your room still has flutter echo at all, you can just use unfaced 703. The FRK is usually recommended when your room has good control of the high-end already, and you just need more bass absorption. ie, need more traps, but don't want the room to sound "dead"

Glenn Kuras · 21st December 2011

Quote:

Originally Posted by Chris

Glenn, would using FRK on a cloud be preferred or not? Also, does it only need to be the first piece, or does it have to be all of them?

You do not want facing on the panels that would go in the early reflection points (where the cloud may be).
As far as facing for other areas you want to only have it on the front that is facing the room.

Chris · 21st December 2011

Thanks for the responses, Glenn and kasmira.

19th December 2011	#1
S Hardin Gear interested Joined: Oct 2010 Location: Columbia, SC Posts: 8 Thread Starter 2 Reviews written	OC 703FRK Question Hi guys. Have been experimenting with different absorbtion solutions in the mix room of my project/home-studio for about a year now. Has been a tremendous learning process (still learning), and this site has provided a ton of great guidance. Mix room is 12L x 10W x 9H. I am currently finishing 4" 703 traps for the corners using some panel frames I originally constructed (picture below-ignore the sonocolumn... was getting it off the floor and out of the way). There will be at least a 6-8" gap behind the trap in the corner. Here's my question. Essentially I have 2" 703FRKs that I'm going to stack with another non-FRK OC 703 and then wrap. Before I get started I've read in numerous places that the foil should be turned out - and as such will provide some mid and high reflection - and it should never be at the back of the trap. The very tight corner in the second pict is another question all-together. Any guidance would be appreciated. Last edited by S Hardin; 19th December 2011 at 04:12 PM.. Reason: pictures not showing for some reason, trying to get them on...

19th December 2011	#2
Glenn Kuras Gear Guru Joined: Jul 2005 Location: Atlanta, GA Posts: 11,994	Yes you want to have the FRK facing out in the room. It will act as a membrane that will reflect some upper frequencies and help absorb a bit more low frequencies. __________________ Glenn Kuras GIK Acoustics USA GIK Acoustics Europe 770 986 2789 (USA) +44 (0) 20 7558 8976 (UK) See the NEW Scopus Tuned Trap

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20th December 2011	#4
Chris Lives for gear Joined: Aug 2004 Location: Escaped from Slipperhell Posts: 1,697	Glenn, would using FRK on a cloud be preferred or not? Also, does it only need to be the first piece, or does it have to be all of them?

21st December 2011	#5
kasmira Lives for gear Joined: May 2011 Location: Phoenix, AZ Posts: 562	It only needs to be the first piece facing into the room. If your room still has flutter echo at all, you can just use unfaced 703. The FRK is usually recommended when your room has good control of the high-end already, and you just need more bass absorption. ie, need more traps, but don't want the room to sound "dead"