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Old 2nd February 2012, 09:37 AM   #1
FlipC is offline FlipC  United States
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Default Cardioid with a TH sub

So I have been trying to figure this out.
A cardioid setup with a TH based sub (will use TH 115 as base)
Since the cardioid setup is itself the same working phenomenon
as the TH. Is it possible to set TH's in such a setup ?

Ive been trying to figure out how to
nullify the power alley that 2 stacks of 6 SS15's create (3x3). IE typical left/right "stereo" setup. Also to keep it from having that "giving the finger" dispersion characteristic. IE want a nice even sound field with the best projection. Without having that projection rearward to boot.

Anyway. Was looking into Cardioid arraying them.
And the above question hit me.
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Old 2nd February 2012, 02:00 PM   #2
jbell is offline jbell  United States
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I put mine in a line and delay the outside cabinets to 'spread the bass.'

works great outdoors, not so sure inside....

An 'arc' of cabinets in a line accomplishes the same thing without resorting to delay.

what configurations have you played with besides a pair of six stack ?
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Old 2nd February 2012, 05:02 PM   #3
epa is offline epa  Netherlands
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hi flip
maybe this wil help
note that with gradiant aray you have limited bandwidth.
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Old 2nd February 2012, 07:36 PM   #4
FlipC is offline FlipC  United States
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epa - already read Rogs work along with others like Rat ,etc etc.
This was really a question directly in regards to a Cardioid array as
I realized that works on the same principal as the TH and since the TH already uses a a phase summation to achieve what it does - how would/could you use it in a Cardioid setup?

As far as my setup goes. That was just a secondary question.
jbell -Not many configurations. Issue that prevent many things is that the SS15 is damn light. For all 12 I do dual vertical stacks of 3x2 with mouths joined and ratchet strap those tight. And always carry rubberized matts case the location doesn't have carpet. At full tilt that want to run around the room. Stack of 4 is worse in that regards.
Also why I never have tried a curved array.

I have tested horizontal vs vertical.
I liked the vertical better. Now that is purely by ear and more than likely is because said stack becomes 6' and means your entire body is being pounded and not just your lower half.

Quick reference to complete setup.
Truss system, 3 sections, with 9' gap between post. JFL-210 (4 per side) vertical array.
Subs directly underneath.
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Old 2nd February 2012, 09:20 PM   #5
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Quote:
Originally Posted by FlipC View Post
epa - already read Rogs work along with others like Rat ,etc etc.
Did you check this out?

http://www.doctorproaudio.com/doctor...-DAS_Audio.pdf
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Old 2nd February 2012, 09:24 PM   #6
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QSC - Designing & Deploying Line Arrays

Click the image to open in full size.
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Old 2nd February 2012, 09:30 PM   #7
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Real pics here!

How To......Cardioid Sub Arrays - Speakerplans.com Forums
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Old 2nd February 2012, 09:36 PM   #8
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This one has BP6 info on page SIX, similar BP response to a TH.

http://www.nationalaudio.com.au/data...30_1.2E(1).pdf
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Old 2nd February 2012, 09:41 PM   #9
FlipC is offline FlipC  United States
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BP- I think you've missed the point of the question.
I understand how to do Cardioids. Its just the a TH already uses phase summation to achieve it's output. Therefore directivity already exist to a greater extent than with conventional FLH/RLH/Reflex cabs.

Basically I am looking for the math to use to figure
out how to setup TH's specifically.

I dont have the room indoors
to figure it out by testing. I just signed up for Meyers MAPP software. Though again not TH's.

Think I am gonna go email Danley see if he will respond.
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Old 2nd February 2012, 09:44 PM   #10
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I found this software!

S4 - Subwoofer Steering Simulation Software
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