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18sound 18” Dual Subwoofer build |
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cravings 
Old Croc 
Joined: 30 January 2007 Location: Ireland Status: Online Points: 7370 |
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 Posted: 28 September 2018 at 12:02am |
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just get some gasket tape for around the driver and handles and stuff.
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boots-hifi
Old Croc
Joined: 15 August 2011 Status: Offline Points: 2444 |
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Posted: 24 October 2018 at 10:30pm |
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Any updates on this build? Seriously considering getting 6-8 of this design built soon ready for next year. Any measurements made of the loaded box? 18sound recommends k10, what have you powered these with?
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Father-Francis
Old Croc
Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2734 |
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Posted: 25 October 2018 at 7:27am |
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no updates yet the man has been in Denmark for sometime we were working on a project for next month here in denmark , some guys we knowneed to use a setup like this , will start another post about it .  Edited by Father-Francis - 25 October 2018 at 7:28am |
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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nickyburnell
Old Croc
Joined: 06 February 2005 Status: Offline Points: 4410 |
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Posted: 25 October 2018 at 7:47am |
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360 degree DJ worship
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It's everything, not everythink!
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Father-Francis
Old Croc
Joined: 24 October 2007 Location: Kenya ,Denmark Status: Offline Points: 2734 |
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Posted: 25 October 2018 at 8:32am |
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Yes boss ,
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Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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bob4
Old Croc
Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1757 |
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Posted: 25 October 2018 at 9:16am |
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Just....... Wow! Wili, with that level of precision and deep rebates I don't see any reason to be afraid of air leaks. No need for additional sealing. If your cuts are spot on, dont waste time sanding, except if you are certain that there is a problem. Also you could build without screws...... Fantastic work! |
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wilidapili
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Joined: 13 August 2018 Location: Finland Status: Offline Points: 56 |
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Posted: 25 October 2018 at 11:54am |
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The box is 98% ready. Glued & painted, but still gotta attach the rubber feet and mount the drivers. We will try and do some measurements next week and I will post some photos of the finished box. We will get some Powersoft at a later stage, we don't yet know what we will use for the time being.
Much obliged
 Edited by wilidapili - 25 October 2018 at 11:56am |
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boots-hifi
Old Croc
Joined: 15 August 2011 Status: Offline Points: 2444 |
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Posted: 25 October 2018 at 3:06pm |
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Good stuff. Keep us posted!
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bee
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Joined: 14 June 2011 Location: Middlesex Status: Offline Points: 4553 |
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Posted: 25 October 2018 at 9:57pm |
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Ben bin trying to get hold of you buzz me when you free....
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https://www.elements-audio.com
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boots-hifi
Old Croc
Joined: 15 August 2011 Status: Offline Points: 2444 |
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Posted: 26 October 2018 at 7:15am |
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PMd mate
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supremesoundz
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Joined: 26 January 2009 Location: London Status: Offline Points: 2687 |
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Posted: 28 October 2018 at 6:47am |
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more pics as and when. Great work
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wilidapili
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Joined: 13 August 2018 Location: Finland Status: Offline Points: 56 |
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Posted: 20 January 2019 at 11:02pm |
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Sooooo.... Finally got some measurements done. Here is the frequency response of the sub, if anyone is interested. We ran the sub with a Powersoft X4 amp and through a Biamp Nexia DSP. Measured with Behringer ECM-8000 mic on same level as and about 2 meters from sub into an Audient ID4. Still learning about delaying and phase (polarity) alignment etc.
Unprocessed (actually forgot to take the +8dB gain away) and processed with recommended settings from the original plans:  With the kick:  Edited by wilidapili - 20 January 2019 at 11:07pm |
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boots-hifi wrote: