Wanted:PA Sub to complement my SA4518īs - diyAudio
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Old 18th July 2011, 10:07 AM   #1
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Join Date: Jun 2011
Default Wanted:PA Sub to complement my SA4518īs

Hi,
I have 4x SA4518 subs, witch are great, but do not go lower than about 50Hz. http://www.stage-accompany.com/vinta...A4515-4518.pdf
To go lower, I can add 4 more 4518īs, but that will only get as low as 40Hz. Not much of an improvement.

Questions: Is it possible to build a sub that can cover the 20-50Hz region, and match the output of the 4518īs, without spending 10000 euroīs? And will that sub be small enough to be handled by 2-3 people? Build plans?

Best Dirk.

P.S. the rest of my PA consists of 2x SA4512īs, 2x SA8535, SA500-900 and X-60.
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Old 18th July 2011, 01:43 PM   #2
epa is offline epa  Netherlands
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the gjallerhorn is the only pa sub that play down to 20 (use search)
to go really low you need big cabs and/or lots of power.
even for dubstep 32hz seems low enough to me imho.
http://www.diyaudio.com/forums/subwoofers/178029-c-e-x-pa-flat-30-ft30-pa-th-awesomeness.html

http://www.diyaudio.com/forums/subwoofers/189551-r-evenge-c-omes-f-orce.html

http://www.diyaudio.com/forums/subwoofers/183539-plan-request-traped-horn-go-35-ish-120-w-rcf-l18p200.html

http://www.diyaudio.com/forums/subwoofers/190635-th-18-flat-35hz-xoc1s-design.html

also jbells stadium horn = 30hz
maybe you could use the speakers of the4518(jbl ?)and bild a th for it to cover to 100hz
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Old 19th July 2011, 10:09 AM   #3
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Thanks for the reply epa, but the links donīt work.

That Gjallerhorn looks very cool. That is a beast indead.
I wonder what other speakers can go into it, but I could not find any info on the TS parameters of the TS Sounds LMS Ultra 5400. Maybe a cheaper 21 inch can match the TS Sounds LMS Ultra 5400 performance. BTW I have no clue whatsoever on what specs a speaker should have to be able to work in this design. I just want to build a existing design. Experimentations I leave to the experts. Oh and it does not have to be a TH, vented speakers are fine to.

I canīt ditch the 4518īs because they are crossovered to high (well above 100Hz I think)
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Old 19th July 2011, 03:15 PM   #4
epa is offline epa  Netherlands
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Join Date: Apr 2010
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copy/paste the links to the navigation bar.
dont know why they dont.work normal ?
i wil have a look if another speaker suits the gjallerhorn.
looking @the sa4512 specs they can be crossed @ 100 hz ,dont know if u can change x-over freq on the x-60

Last edited by epa; 19th July 2011 at 03:18 PM.
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Old 19th July 2011, 03:33 PM   #5
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[QUOTE=epa;2643749]
i wil have a look if another speaker suits the gjallerhorn

Epa I was thinking the samething , that it would be good to have a list of all the drivers that work well in all these TH design on this forum. So we don't have to keep asking if this driver work or not.
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Old 19th July 2011, 03:36 PM   #6
epa is offline epa  Netherlands
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if someone is willing
the 18 sound nlw 9600(c)works pretty wel in the gjallerhorn.
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