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.
Johan
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.
Johan
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.
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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