Port-placement uncertainties

rho · 19th February 2004, 07:06 PM

I'm designning a new set of speakers (something like the ones Indoubt build). Now I'm a little unsure about the placement of the port. I made some drawings with the port on the back-side, but the speakers will be rather close to the room-corners. All in all the speakers aren 't bass-heavy so at first I tought that it wouldn't be a problem, but I'm starting to doubt that idea. I'm afraid the bass will be too boomy.

Should I re-design the speakers or should I keep them like they are?

How close is too close the a room-corner? I think I can keep them about 8" to 10" away. (very small room, just for listening)

I can just copy Indoub's enclosure but I don't feel like doing that.
He's a very nice guy and I feel like he deserves something unique.

Thanks for any advice.

Ron E · 19th February 2004, 09:38 PM

Port placement won't affect whether or not the speakers are boomy in the corner. What affects that is frequency response and your room acoustics, which are independent of port placement.

rho · 20th February 2004, 10:08 AM

OK, that's nice to know. So I can keep the design like it is.

Now with a 2"port, staying away 8" from any wall will not cause any problems, will it?

Ron E · 20th February 2004, 12:22 PM

I think 2-3 diameters is sufficient room.

rho · 20th February 2004, 06:12 PM

OK, that shouldn't be any problem.
I'll start with about 2-port-diameters and move them around a little.
Thanks for the help.

19th February 2004, 07:06 PM	#1
rho diyAudio Member Join Date: Sep 2003 Location: Peer, Belgium	Port-placement uncertainties I'm designning a new set of speakers (something like the ones Indoubt build). Now I'm a little unsure about the placement of the port. I made some drawings with the port on the back-side, but the speakers will be rather close to the room-corners. All in all the speakers aren 't bass-heavy so at first I tought that it wouldn't be a problem, but I'm starting to doubt that idea. I'm afraid the bass will be too boomy. Should I re-design the speakers or should I keep them like they are? How close is too close the a room-corner? I think I can keep them about 8" to 10" away. (very small room, just for listening) I can just copy Indoub's enclosure but I don't feel like doing that. He's a very nice guy and I feel like he deserves something unique. Thanks for any advice.

19th February 2004, 09:38 PM	#2
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	Port placement won't affect whether or not the speakers are boomy in the corner. What affects that is frequency response and your room acoustics, which are independent of port placement. __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Armaments, universal debt, and planned obsolescence--those are the three pillars of Western prosperity. —Aldous Huxley

20th February 2004, 12:22 PM	#4
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	I think 2-3 diameters is sufficient room. __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Armaments, universal debt, and planned obsolescence--those are the three pillars of Western prosperity. —Aldous Huxley

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20th February 2004, 10:08 AM	#3
rho diyAudio Member Join Date: Sep 2003 Location: Peer, Belgium	OK, that's nice to know. So I can keep the design like it is. Now with a 2"port, staying away 8" from any wall will not cause any problems, will it?

20th February 2004, 06:12 PM	#5
rho diyAudio Member Join Date: Sep 2003 Location: Peer, Belgium	OK, that shouldn't be any problem. I'll start with about 2-port-diameters and move them around a little. Thanks for the help.

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