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Author Topic: Lab Sub and Void Air Motion  (Read 2280 times)

Alexander Bustos

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Lab Sub and Void Air Motion
« on: January 01, 2014, 08:16:01 pm »

Im looking to buy 4 Airmotion's from Void Acoustics , from the specs the crossover point is set at 140 hz

My question is , are (12) LAB subs up to the task as in reaching 140hz while still sounding good ?
Do they get "honky"?

im powering everthing with 4 Camco vortex 6 amps

Let me know any thoughs you guys might have.
« Last Edit: January 01, 2014, 08:52:10 pm by Alexander Bustos »
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Art Welter

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Re: Lab Sub and Void Air Motion
« Reply #1 on: January 02, 2014, 12:07:09 pm »

Im looking to buy 4 Airmotion's from Void Acoustics , from the specs the crossover point is set at 140 hz

My question is , are (12) LAB subs up to the task as in reaching 140hz while still sounding good ?
Do they get "honky"?
The Airmotion is a fairly small conical horn, even with the "supplied Didgedrive settings" it measures around 9 dB down at 140 Hz, rolling off below 200 Hz.

The Lab Sub can go that high, but is a little peaky in the 120-200 Hz range.

From a sound quality standpoint I'd be less concerned with those peaks than hearing vocals from the subs- if the Labs are on the ground and the Airmotions pointed down at the dance floor vocals  instruments will "walk" up and down between them.

Of course, for disco type installations that might add to the "flavor" of the event  ;).
With as high of a crossover needed for the  Airmotions I'd want the bass speakers co-located with them.

Art
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Alexander Bustos

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Re: Lab Sub and Void Air Motion
« Reply #2 on: January 03, 2014, 01:54:03 am »

Should i have a "kick bin" like Rob mogale's design? A mid box above the lab's?
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Ivan Beaver

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Re: Lab Sub and Void Air Motion
« Reply #3 on: January 03, 2014, 07:31:54 am »

Should i have a "kick bin" like Rob mogale's design? A mid box above the lab's?
When you start adding more boxes to "fill in" you start to introduce more "errors" and problems in the sound.

It gets harder and harder to get it to integrate well together.

That is what was done back in the 60s/70s and early 80s.

Then people started to realize it is best to get the drivers closer together and have them work as a single unit.

Yeah it may "look cooler" to have multiple boxes, but in reality, the fewer boxes you use the better the sound will be (less sources of interference).

So it really comes down to what you are trying to accomplish.

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A complex question is easily answered by a simple-easy to understand WRONG answer!

Ivan Beaver
Danley Sound Labs

PHYSICS- NOT FADS!

Marjan Milosevic

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Re: Lab Sub and Void Air Motion
« Reply #4 on: January 03, 2014, 07:58:31 pm »

May i ask why Air motions? Because they look cool? Or something else is the determine factor?

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Re: Lab Sub and Void Air Motion
« Reply #4 on: January 03, 2014, 07:58:31 pm »


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