Help decide where to put my monitors

Cali · 28th July 2008, 10:31 AM

Hi,
This is my first post here, so hi to everyone, you will have to excuse my english, my spelling might be funny sometimes :)

I almost finished treatening my control room, which is small, putting a lot of basstraps in all corners, as well as wall cealing corners and wall floor corners (front and rear walls) and on all walls to get a reflexion free zone.

I still need to get the ceiling done but i already did some measuring of some different monitor position, using the ETF5 software. More out of fun and to learn how this program works.
I measured 3 positions, having the mic always on the same spot (38% from front wall).

Now as i don´t have any experience reading this graphics i would like to know which position would you choose and why.
...Yes i know that i can as well sit down and listen to some cd´s and chose the one i like more :)

Thanks

Glenn Kuras · 28th July 2008, 01:35 PM

Number 3 as it seems to have the flattest response over all.

Glenn

Cali · 28th July 2008, 02:00 PM

Hi Glenn,
thanks for your answer!
I was thinking about Number 3 as well. Do you think that the response is flat enough or should i try to get rid of the last two peaks at around 150 and 180 Hz?

cali

Weasel9992 · 28th July 2008, 06:05 PM

You can try, but that's pretty darned good already. Looks like you're within 11dB of the +/- 3dB "flat" range.

Frank

andrebrito · 28th July 2008, 06:40 PM

The 3rd picture seem fine. Yet it is a very poor representation of the room since it does not take into account the time domain analysis of the acoustics of the room.

Also your ears should also decide, they are the great analyzer as well. Sometimes people get obsessed with charts and forget to use the ears as well. The only problem I may see in your room is to end with a very dry room but it is always a commitment.

Glenn Kuras · 28th July 2008, 07:02 PM

Quote:

The 3rd picture seem fine. Yet it is a very poor representation of the room since it does not take into account the time domain analysis of the acoustics of the room.

I knew someone would bring that up.

Good point!

Quote:

Also your ears should also decide, they are the great analyzer as well.

Good point also, but sometimes you know it is not perfect but can't figure that out by ear. That is where testing helps.

Glenn

Cali · 28th July 2008, 07:29 PM

I know that whith only this small frequency responce it is impossible to say how the room sounds. But so far, my ears like it very much :)

As soon as i have done the ceiling, i'm going to take some pictures and more measurements and will love to share them with you guys.
thanks
cali

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28th July 2008, 10:31 AM	#1
Cali Gear interested Join Date: Jun 2007 Location: Switzerland Posts: 3	Help decide where to put my monitors Hi, This is my first post here, so hi to everyone, you will have to excuse my english, my spelling might be funny sometimes :) I almost finished treatening my control room, which is small, putting a lot of basstraps in all corners, as well as wall cealing corners and wall floor corners (front and rear walls) and on all walls to get a reflexion free zone. I still need to get the ceiling done but i already did some measuring of some different monitor position, using the ETF5 software. More out of fun and to learn how this program works. I measured 3 positions, having the mic always on the same spot (38% from front wall). Now as i don´t have any experience reading this graphics i would like to know which position would you choose and why. ...Yes i know that i can as well sit down and listen to some cd´s and chose the one i like more :) Thanks Attached Thumbnails

28th July 2008, 01:35 PM	#2
Glenn Kuras Lives for gear Join Date: Jul 2005 Location: Atlanta, GA Posts: 3,905	Number 3 as it seems to have the flattest response over all. Glenn __________________ Glenn Kuras - GIK Acoustics www.GIKAcoustics.com Need help with your room? click here

28th July 2008, 06:05 PM	#4
Weasel9992 Lives for gear Join Date: Jun 2006 Location: Savannah, GA Posts: 1,207	You can try, but that's pretty darned good already. Looks like you're within 11dB of the +/- 3dB "flat" range. Frank __________________ Frank Oesterheld - GIK Acoustics www.GIKAcoustics.com

28th July 2008, 06:40 PM	#5
andrebrito Gear addict Join Date: Jan 2007 Location: London Posts: 344	The 3rd picture seem fine. Yet it is a very poor representation of the room since it does not take into account the time domain analysis of the acoustics of the room. Also your ears should also decide, they are the great analyzer as well. Sometimes people get obsessed with charts and forget to use the ears as well. The only problem I may see in your room is to end with a very dry room but it is always a commitment. __________________ Studio Design, Home Cinema/Studios Assistance, Large Room Acoustics projects - UK and Portugal. Online Consulting for the rest of the world We also sell acoustical diffusers at affordable prices, starting at 70 € / piece each ! http://www.onlineacoustics.com Music - http://www.myspace.com/spinous

28th July 2008, 02:00 PM	#3
Cali Gear interested Join Date: Jun 2007 Location: Switzerland Posts: 3	Hi Glenn, thanks for your answer! I was thinking about Number 3 as well. Do you think that the response is flat enough or should i try to get rid of the last two peaks at around 150 and 180 Hz? cali

28th July 2008, 07:29 PM	#7
Cali Gear interested Join Date: Jun 2007 Location: Switzerland Posts: 3	I know that whith only this small frequency responce it is impossible to say how the room sounds. But so far, my ears like it very much :) As soon as i have done the ceiling, i'm going to take some pictures and more measurements and will love to share them with you guys. thanks cali

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