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Author Topic: LAB or reflex for small dance floors?  (Read 3141 times)

Janne Paul

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LAB or reflex for small dance floors?
« on: September 25, 2010, 07:04:14 am »

What is the minimum operating distance for LAB horns? Can I use LABs for smaller dance floors where a max throw distance needed is 10m (33 feet)? Or is it better to use reflex boxes if high sound quality is desired. Will there be a lot of annoying air flow noise for dancers nearby?

I would like to use a horn because I got only 1 x 230V/10A (2300W) power circuit available for the whole PA. I think reflex boxes will need a bigger amp which might trip the breaker.
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Shaun Crawford

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Re: LAB or reflex for small dance floors?
« Reply #1 on: September 25, 2010, 09:22:01 am »

we just got done last night using labs at a hip hop club dance show. they sound great, and i think its a smaller distance that what you have. maybe 20ft deep on our dance floor. we've used these on multiple occasions in this place.

they are being powered with 650watts per driver in the lab (for now).

normally we run dbl 18 front loaded, but the labs are night and day difference in clearity of the sound as a whole.
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Shaun Crawford
Northern Productions, LLC
Live Sound & Lighting
http://www.northernprod.com
Midland, MI 48640
(989) 430-5355

Art Welter

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Re: LAB or reflex for small dance floors?
« Reply #2 on: September 26, 2010, 03:07:36 am »

Janne Paul wrote on Sat, 25 September 2010 05:04

What is the minimum operating distance for LAB horns? Can I use LABs for smaller dance floors where a max throw distance needed is 10m (33 feet)? Or is it better to use reflex boxes if high sound quality is desired. Will there be a lot of annoying air flow noise for dancers nearby?

I would like to use a horn because I got only 1 x 230V/10A (2300W) power circuit available for the whole PA. I think reflex boxes will need a bigger amp which might trip the breaker.


If you can afford the space of the horns, the output will be greater per watt than a ported cabinet.

The size of the room makes no difference, the length of the sound waves reproduced by a ported or horn loaded cabinet are the same.

Ported cabinets may have more annoying air flow noise than large long horns, but with a decent duct length and size, air flow noise will not be perceived when music is playing.
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Rick Armstrong

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Re: LAB or reflex for small dance floors?
« Reply #3 on: September 29, 2010, 08:02:46 am »

Hey Shaun, can't wait for a lab demo Smile I've really been leaning towards some Growlers because of their small size and low weight. I'm getting old and rickety.
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-bigbear

Big Bear Sound LLC.
Midland, MI. 989-859-4073

Shaun Crawford

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Re: LAB or reflex for small dance floors?
« Reply #4 on: September 29, 2010, 08:34:43 am »

i finally have a reason to wake up the neighbors Smile i'll let you know once the new amp arrives Very Happy
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Shaun Crawford
Northern Productions, LLC
Live Sound & Lighting
http://www.northernprod.com
Midland, MI 48640
(989) 430-5355
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