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subwoofer for party hall
subwoofer for party hall
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Old 27th May 2008, 01:56 PM   #1
space2000 is offline space2000  Singapore
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Default subwoofer for party hall


just need to know what is the woofer size and amp power should be enough for party hall room sound system. Room dimensition is 80ft X 70ft.

thank you.
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Old 27th May 2008, 04:03 PM   #2
Rademakers is online now Rademakers  Netherlands
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Location: Rotterdam, NL
That is anywhere between difficult and imposible to answer with such little information.

Further information would be:

- The height of the venue.
- Is it a open.closed room, what kind of walls (concrete/wooden/etc.)
- The expected crowd size.
- The styles of music played and/or the required low frequency cutt off.
- The type of enclosure used (horn loaded, bas reflex, BP, etc.)

In any case you would most likely need multiples of any regular size and lot's of power.

Impossibilities we do immediatly, miracles take slightly longer.
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Old 27th May 2008, 04:15 PM   #3
Cal Weldon is offline Cal Weldon  Canada
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Location: Near Vancouver
subwoofer for party hall
80 X 70 is not that big. I would think 4 X 15" in horns should do it along with 1KW of power. I have used that in venues as large as a basketball court sized gymnasium and it was fine.

Agree with Rademakers though, we need a little more info.
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Old 28th May 2008, 02:29 AM   #4
dangus is offline dangus  Canada
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Join Date: May 2004
Location: Vancouver Island
subwoofer for party hall
Tongue in cheek, I'd conservatively suggest building column subwoofers in each corner. 4 18" drivers in about 32 cubic feet per cabinet, Eminence Omega Pro 18. Power with a modest 200 to 250 watts per driver, and high pass at around 35 to 40 Hz for long life.

A wiser solution would be to rent something, see if it's enough, then design something equivalent.

Tapped horns might be ideal... efficient, and easy to build. The drivers are recessed so it is easier to protect them from feet and beverages. Conventional horns are harder to build, but there's more tried and true plans to go from... check out speakerplans.com

As for power... a Behringer EP-2500 is good value for money, especially used. Somewhere between 400 and 600 watts per channel into 4 ohms should be reasonable. Much more than that will cost a lot more, and the extra power might just be wasted in power compression, or burn out woofers.
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Old 28th May 2008, 09:20 PM   #5
Don Bunce is offline Don Bunce  United States
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LABhorns will do the job...

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Old 29th May 2008, 06:03 AM   #6
Don Snyder is offline Don Snyder  United States
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Yah! Use LabHorns ... but stick with Brian's drawings, 'cause Jeremy's are a mess.

Of course, you need a minimum of 4 LabHorns to do the job!

On second thought, a good tapped horn might be enough (hate those horizontal flares).
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