port noise

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dp85iroc

Member - Posts: 40

Joined: June 19, 2009

Location: New Hampshire, United States

Posted: August 18, 2009 at 11:15 AM / IP Logged

i am currently using a 3" piece of pvc tubing as a port and there is some minor port noise. i was just wondering if there is any quick and simple way of cutting down the noise from it

thanks

hmmm...thinking is always good...but question are better

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: August 18, 2009 at 11:23 AM / IP Logged

You're not going to like the answer, but the quick and simple way is to replace it with a larger diameter port.

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dp85iroc

Member - Posts: 40

Joined: June 19, 2009

Location: New Hampshire, United States

Posted: August 18, 2009 at 1:41 PM / IP Logged

damn really? like what size?

i only have a 1.5 ft^3 box so the port is already small to begin with ya kno

hmmm...thinking is always good...but question are better

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DYohn

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Joined: April 22, 2003

Location: Arizona, United States

Posted: August 18, 2009 at 5:12 PM / IP Logged

What's the tuning frequency? What speaker driven by how much power?

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whiterob

Copper - Posts: 351

Joined: July 22, 2007

Location: United States

Posted: August 19, 2009 at 2:08 AM / IP Logged

Could you possibly round the edges or maybe even add a flare somehow? If it is minor port noise then you may be able to round the edges of the PVC to get rid of a little turbulance. If that doesn't work then using a larger diameter port would be the way to go.

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dp85iroc

Member - Posts: 40

Joined: June 19, 2009

Location: New Hampshire, United States

Posted: August 19, 2009 at 6:49 AM / IP Logged

ya i was thinking that rounding off the edges might work...

and its an audiobahn flame q series 1100 wats rms driven by about 600 with a tuning freq of about 45

hmmm...thinking is always good...but question are better

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aznboi3644

Gold - Posts: 2,600

This member consistently provides reliable information

Joined: May 01, 2006

Location: United States

Posted: August 20, 2009 at 1:30 PM / IP Logged

the simple noise itself is now the problem...it is port compression

Too small of a port can become compressed and not function as a port but rather a leaky sealed enclosure

Custom Enclosure Design

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dp85iroc

Member - Posts: 40

Joined: June 19, 2009

Location: New Hampshire, United States

Posted: August 20, 2009 at 2:15 PM / IP Logged

oh i see so in a sense bigger is better?

hmmm...thinking is always good...but question are better

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port noise

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