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Ported boxes port


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TremaineG 
Member - Posts: 3
Member spacespace
Joined: June 13, 2003
Location: United States
Posted: July 09, 2003 at 5:55 PM / IP Logged  

Does the length of the port effect the frequency of the bass. If I was to have a long port will my bass be deeper? Does anybody know the airspace of a Alpine Type R 15" Ported?

Tremaine

Tremaine
Chuck_Hawkins 
Member - Posts: 5
Member spacespace
Joined: July 04, 2003
Location: United States
Posted: July 09, 2003 at 6:08 PM / IP Logged  

yes, as does the opening diameter of the port. there are several port length calculators available online. also taken into account are the box dimensions and speaker specifications.

this is one that i use, it seems to work well most of the time:

http://www.mhsoft.nl/PortLength.asp

Chuck

esmith69 
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Gold spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: November 26, 2002
Location: United States
Posted: July 09, 2003 at 9:09 PM / IP Logged  

The internal volume for the recommended ported enclosure for this subwoofer is 2.25 cu. ft.;  also, a port 4" in diameter and 10" long should be used.

Ethan
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"Patience, persistence, and perspiration make an unbeatable combination for success"
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