Sub vent port on side or top wall? |
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mramstedt
New Member Joined: 04 December 2016 Status: Offline Points: 3 |
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Posted: 04 December 2016 at 7:40pm |
Hi,
I have a shallow sub and would need to put the vent port on either side or top wall, see picture. Is this possible or are there any limitations? Thanks, Marko Edited by mramstedt - 04 December 2016 at 7:41pm |
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concept-10
Young Croc Joined: 17 May 2016 Status: Offline Points: 1292 |
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That's perfectly ok.
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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Just make sure you keep the internal end of the port away from the opposite panel, otherwise it will affect the tuning and potentially cause noise due to turbulance in the airflow. I understand they're only sketches above but the ports there are too close to the bottom/left hand panels.
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mramstedt
New Member Joined: 04 December 2016 Status: Offline Points: 3 |
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Hi, what would you suggest as minimum clearance (D of port)?
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bee
Old Croc Joined: 14 June 2011 Location: Middlesex Status: Offline Points: 4553 |
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if its just for a single box its fine, but should you want to add more boxes next to it or ontop of It, then its a no...
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https://www.elements-audio.com
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knet94
Old Croc Joined: 31 March 2008 Location: NW London Status: Offline Points: 1509 |
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Rear porting a la some of Tony Wilkes cabs would seem a better solution.
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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The absolute minimum clearance should be the diameter of the port but that will most likely result in the effective length of the port being increased because the volume of air between the end of the port and the panel will behave as if it's part of the port. Personally I would go for at least 1.5x the port diameter if not more. At that distance you will still get some lengthening of the port so check the tuning and shorten if necessary.
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_djk_
Old Croc Joined: 23 November 2004 Location: United States Status: Offline Points: 6002 |
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JBL B460 subwoofer.
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djk
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