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double chambered ported box


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audifive 
Copper - Posts: 89
Copper spacespace
Joined: June 02, 2004
Location: United States
Posted: June 30, 2009 at 8:30 PM / IP Logged  
i found something online about a double ported box using 6 inch port tubes.  i experimented with my own design, and my customer did very well at sound competition with some low end equipment.  i just wanted to share the design with you guys and spread the knowledge so feel free to ask Q'sdouble chambered ported box -- posted image.
ianarian 
Copper - Posts: 516
Copper spacespace
Joined: April 24, 2009
Location: California, United States
Posted: July 01, 2009 at 12:42 AM / IP Logged  
2-12'S? Are they sharing any internal airspace? Or do they both have their own vent?
This is what I do for FUN!
whiterob 
Copper - Posts: 351
Copper spacespace
Joined: July 22, 2007
Location: United States
Posted: July 01, 2009 at 1:49 AM / IP Logged  
What do you mean by "double ported design"? Do you mean a 6th order bandpass design or simply an enclosure with two slot ports?
Do you have a sketch of what the design looks like internally?
aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May 01, 2006
Location: United States
Posted: July 03, 2009 at 6:38 PM / IP Logged  
all it is a aperiodic bi-chamber enclosure...also many variations.
www.diysubwoofers.org has information about it
Custom Enclosure Design
whiterob 
Copper - Posts: 351
Copper spacespace
Joined: July 22, 2007
Location: United States
Posted: July 04, 2009 at 3:26 AM / IP Logged  
aznboi3644 wrote:
all it is a aperiodic bi-chamber enclosure...also many variations.
www.diysubwoofers.org has information about it
Oic, I have heard of those before.
I just misunderstood what he meant when he said double ported.   
Kind of like this...
double chambered ported box -- posted image.
aznboi3644 
Gold - Posts: 2,600
Gold spaceThis member consistently provides reliable informationspace
Joined: May 01, 2006
Location: United States
Posted: July 04, 2009 at 1:25 PM / IP Logged  
correct...
Custom Enclosure Design

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