SQMonte Posted January 3, 2011 Report Share Posted January 3, 2011 I'm in the process of trying to design a box for my DD 2512 and due to the width of the box I can position the sub in one of 3 spots, where it fires directly off the port wall, halfway off the port wall or not off the port wall at all. Is either location better than the other or does it even matter? Quote Alpine CDA-117...Memphis 16-X03 CDT Audio SQA-4100...SEAS Prestige H1396...Crescendo MP-6 Soundstream Rubicon 1.2500d...Digital Designs 3512f Link to comment Share on other sites More sharing options...
hdorre Posted January 3, 2011 Report Share Posted January 3, 2011 (edited) Im trying to picture what you mean. If I understand your question correctly, heres my answer- I wouldnt have it by the port at all because of unloading problems. Edited January 3, 2011 by hdorre Quote On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
SQMonte Posted January 3, 2011 Author Report Share Posted January 3, 2011 Im trying to picture what you mean. If I understand your question correctly, heres my answer- I would have it by the port at all because of unloading problems. Hopefully this will clarify a little If this is the box layout I go with I can mount the sub on the baffle so the magnet is directly in front of the rear port wall.....or right in the middle of the baffle so half of the sub is in front of the rear port wall and the other half in front of the back wall of the box....or all the way to the left, missing the rear port wall totally. Does your answer stay the same, completely away from the port walls altogether? Quote Alpine CDA-117...Memphis 16-X03 CDT Audio SQA-4100...SEAS Prestige H1396...Crescendo MP-6 Soundstream Rubicon 1.2500d...Digital Designs 3512f Link to comment Share on other sites More sharing options...
hdorre Posted January 3, 2011 Report Share Posted January 3, 2011 I'd have it on the side where the port opening is. I'd put it near the "3/4 square," if you know what I mean. Quote On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
PandorasCustoms Posted January 3, 2011 Report Share Posted January 3, 2011 (edited) In this design, the woofer location has minimal effect on sound (As long as your are placing it on the same wall as the port). But, what is the depth of the woofer, and the depth of the enclosure? There is a general idea that you need to leave a few inches between the woofer and the back section of the enclosure for optimum performance BTW, Nice Sketchup... Edited January 3, 2011 by PandorasCustoms Quote Chris - "The Apprentice" - Pandora's Box Customs 1994 Ford Explorer - "Midnight" - 4.0L SOHC SoundStream PCX-1000D & Kicker S12L5 Link to comment Share on other sites More sharing options...
SQMonte Posted January 3, 2011 Author Report Share Posted January 3, 2011 I'd have it on the side where the port opening is. I'd put it near the "3/4 square," if you know what I mean.Is there any particular reason why? I'm trying to learn not just where to position it but why to position it there. In this design, the woofer location has minimal effect on sound (As long as your are placing it on the same wall as the port). But, what is the depth of the woofer, and the depth of the enclosure? There is a general idea that you need to leave a few inches between the woofer and the back section of the enclosure for optimum performance BTW, Nice Sketchup... Depth of the box is 15", depth of the woofer is about 6.88" so plenty of room there. Thanks for the props on my sketchup skills, I just learned how to do it yesterdayB) Quote Alpine CDA-117...Memphis 16-X03 CDT Audio SQA-4100...SEAS Prestige H1396...Crescendo MP-6 Soundstream Rubicon 1.2500d...Digital Designs 3512f Link to comment Share on other sites More sharing options...
hdorre Posted January 3, 2011 Report Share Posted January 3, 2011 I'd do it there to limit any possibility of unloading (not that there is a ton in the other places). Also, it has been shown to be effective. Quote On 5/8/2011 at 7:38 PM, Kranny said: On 5/8/2011 at 7:35 PM, 'Maxim' said: It hurts me inside when I read stuff like this and remember you're 15 LMFAO so true Mitsubishi 3000GT (Old Build) Headunit: Pioneer 80PRS Frontstage: (2) McLaren Audio MLT-2 Tweeters & (4) PRV Audio MR Series Neo 6.5" Mids Substage: 4 15" Hybrid Subs - Tantric Motors & Sundown Softies Amps: Banda 2.4D Amp (Tweets), American Bass VFL 350.4 (Mids), and (2) Ampere 3800s Electrical :Singer 260A Alt & JY Power Lithium 2005 Chevy Colorado Ext Cab Headunit: Pioneer 80PRS Frontstage: 4 PRV 700Ti Tweets & 6 10" Delta Mids on 3000wrms Substage: 6 Fi BTL 18s in a 4th Order Walkthrough on 3 Wolfram 4500s Electrical: Singer "390" and JY Power My Official Feedback Thread Link to comment Share on other sites More sharing options...
PandorasCustoms Posted January 3, 2011 Report Share Posted January 3, 2011 (edited) I would assume that placing the woofer closer to the port will force more air out of the inside end of the port and limit the possibility of unloading Edited January 3, 2011 by PandorasCustoms Quote Chris - "The Apprentice" - Pandora's Box Customs 1994 Ford Explorer - "Midnight" - 4.0L SOHC SoundStream PCX-1000D & Kicker S12L5 Link to comment Share on other sites More sharing options...
jmitch Posted January 3, 2011 Report Share Posted January 3, 2011 I'd have it on the side where the port opening is. I'd put it near the "3/4 square," if you know what I mean.Is there any particular reason why? I'm trying to learn not just where to position it but why to position it there. In this design, the woofer location has minimal effect on sound (As long as your are placing it on the same wall as the port). But, what is the depth of the woofer, and the depth of the enclosure? There is a general idea that you need to leave a few inches between the woofer and the back section of the enclosure for optimum performance BTW, Nice Sketchup... Depth of the box is 15", depth of the woofer is about 6.88" so plenty of room there. Thanks for the props on my sketchup skills, I just learned how to do it yesterdayB) Youll be utilizing most of what the design have to offer giving the wave more space to complete. hope that makes any since and help u understand it. that is a nice sketchup design. what u use to come up with dimensions? Quote I know a lil about everything so dont call me Mr. Know it All. Link to comment Share on other sites More sharing options...
SQMonte Posted January 3, 2011 Author Report Share Posted January 3, 2011 I'd have it on the side where the port opening is. I'd put it near the "3/4 square," if you know what I mean.Is there any particular reason why? I'm trying to learn not just where to position it but why to position it there. In this design, the woofer location has minimal effect on sound (As long as your are placing it on the same wall as the port). But, what is the depth of the woofer, and the depth of the enclosure? There is a general idea that you need to leave a few inches between the woofer and the back section of the enclosure for optimum performance BTW, Nice Sketchup... Depth of the box is 15", depth of the woofer is about 6.88" so plenty of room there. Thanks for the props on my sketchup skills, I just learned how to do it yesterdayB) Youll be utilizing most of what the design have to offer giving the wave more space to complete. hope that makes any since and help u understand it. that is a nice sketchup design. what u use to come up with dimensions? Makes sense. I'll keep that in mind...still gotta get my design right. Thanks man....I tried using sketchup a long time ago but couldn't figure it out...looked for tutorials and all but never found anything that explained it well enough for me to get a design done so I ditched it. But Alex K posted up a video on how to use it the other day, I just gave it a go yesterday and seems i'm doing a decent job. I use the Torres calculator to come up with my dimensions. Quote Alpine CDA-117...Memphis 16-X03 CDT Audio SQA-4100...SEAS Prestige H1396...Crescendo MP-6 Soundstream Rubicon 1.2500d...Digital Designs 3512f Link to comment Share on other sites More sharing options...
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