Cardioid with a TH sub

FlipC · 2nd February 2012, 08:37 AM

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.

jbell · 2nd February 2012, 01:00 PM

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 ?

epa · 2nd February 2012, 04:02 PM

hi flip
maybe this wil help
note that with gradiant aray you have limited bandwidth.

FlipC · 2nd February 2012, 06:36 PM

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.

BP1Fanatic · 2nd February 2012, 08:20 PM

Quote:

Originally Posted by FlipC

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

BP1Fanatic · 2nd February 2012, 08:24 PM

QSC - Designing & Deploying Line Arrays

BP1Fanatic · 2nd February 2012, 08:30 PM

Real pics here!

How To......Cardioid Sub Arrays - Speakerplans.com Forums

BP1Fanatic · 2nd February 2012, 08:36 PM

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

FlipC · 2nd February 2012, 08:41 PM

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.

BP1Fanatic · 2nd February 2012, 08:44 PM

I found this software!

S4 - Subwoofer Steering Simulation Software

2nd February 2012, 08:37 AM	#1
FlipC diyAudio Member Join Date: Aug 2008	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.

2nd February 2012, 04:02 PM	#3
epa diyAudio Member Join Date: Apr 2010 Location: amsterdam	hi flip maybe this wil help note that with gradiant aray you have limited bandwidth. __________________ one good thing about music ,when it hit you feel no pain. so hit me with music.

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2nd February 2012, 01:00 PM	#2
jbell diyAudio Member Join Date: Apr 2003 Location: .	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 ?

2nd February 2012, 06:36 PM	#4
FlipC diyAudio Member Join Date: Aug 2008	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.

2nd February 2012, 08:24 PM	#6
BP1Fanatic diyAudio Member Join Date: Jan 2009 Location: Columbus, Ohio	QSC - Designing & Deploying Line Arrays

2nd February 2012, 08:30 PM	#7
BP1Fanatic diyAudio Member Join Date: Jan 2009 Location: Columbus, Ohio	Real pics here! How To......Cardioid Sub Arrays - Speakerplans.com Forums

2nd February 2012, 08:36 PM	#8
BP1Fanatic diyAudio Member Join Date: Jan 2009 Location: Columbus, Ohio	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

2nd February 2012, 08:41 PM	#9
FlipC diyAudio Member Join Date: Aug 2008	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.

2nd February 2012, 08:44 PM	#10
BP1Fanatic diyAudio Member Join Date: Jan 2009 Location: Columbus, Ohio	I found this software! S4 - Subwoofer Steering Simulation Software

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