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MarjanM View Drop Down
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Points: 7816 		Direct Link To This Post Posted: 31 October 2014 at 6:27pm
Well, the boxes look utterly compact if all that is fitted inside. Those pictures dont give the idea od the size. Is low mid coming out from the area around the hf? 
Marjan Milosevic
MM-Acoustics
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R Mogale View Drop Down
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Points: 76 		Direct Link To This Post Posted: 31 October 2014 at 6:45pm
Can't remember the exact size Marjan, but think its 1000 mm wide, 400 mm high and 700 mm deep.

Have to give massive thanks to GHB who deployed the system. I could not believe how quick it went up. I arrived 45 mins after they unloaded the trucks and all the subs were in place and one hang was up. The other hang went up in 15 mins. Very professional and some of the best organisation and problem solving I've ever seen.

Also have to give thanks to Bryan, whose amazing skills made this event possible. Many thanks to Kyle too for his invalueble help and equipment.

It might sound like I was bitching earlier in this thread, but I was really upset about how the event went with all the control being taken away from all the systems. I only do what I do to give people a good time, and when someone else gets in the way of that I get pissed off.

Rog.
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R Mogale View Drop Down
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Points: 76 		Direct Link To This Post Posted: 31 October 2014 at 6:51pm
Originally posted by MarjanM MarjanM wrote:

Is low mid coming out from the area around the hf? 


Yes, there are 2 x 12" drivers on each side, these fire into a split manifold and then into a common horn than uses the HF as a phase plug. Horn length is about 700 mm and the 3" horns waveguides form part of the horn. Of course a single enclosure would not work as enclosures above and below also form part of the low mid horn.
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Spartan Audio View Drop Down
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Points: 1309 		Direct Link To This Post Posted: 31 October 2014 at 7:05pm
So the absolute minimum configuration would be three cabinets per side?
http://www.spartanaudio.co.uk
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MarjanM View Drop Down
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Points: 7816 		Direct Link To This Post Posted: 31 October 2014 at 7:50pm
At first i thought that is the mf horn that hf sits in it. Then i realized the dispersion would be totally wrong so had to be something else. But the boxes looked quite smaller to me that the picture is giving away. You packed quite a punch in them. Danley beware :-).
Marjan Milosevic
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kevinmcdonough View Drop Down
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Points: 3751 		Direct Link To This Post Posted: 31 October 2014 at 7:55pm
Yeah if I get that right the horn expands somewhat inside the cab, comes our the holes either side of the comps then the final section of expansion is the shape of the cab itself, along the from of the 3" sections. Similar to how nexo, outline and a few others do it.

K
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MattStolton View Drop Down
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Points: 4234 		Direct Link To This Post Posted: 31 October 2014 at 9:15pm
Originally posted by R Mogale R Mogale wrote:

..... is only 10 degrees, horizontal dispersion is 120 degrees. A single enclosure can do peaks of 150dB, and is flat down to 80Hz.....

You are one sick individual. Anyone with enough money can get hold of that, and aim it at an audience

(As you have been away for a while, I shall clarify that should be read sarcastically - I'm from the same neck of the Woods as Mikey after all Wink)

Whenever I have spoken to Tony Andrews, he seems to fall back on story of acoustic weapons, and how a high enough efficiency driver could kill you with 100W, but it looks like you are closer to making one than him!

Any how, quite a return, couldn't "gis us the plans, gov"

(I am starting to understand some of the reasons why you left)
Matt Stolton - Technical Director (!!!) - Wilding Sound Ltd
"Sparkius metiretur vestra" - "Meter Your Mains"
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R Mogale View Drop Down
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Points: 76 		Direct Link To This Post Posted: 31 October 2014 at 10:27pm
Originally posted by Spartan Audio Spartan Audio wrote:

So the absolute minimum configuration would be three cabinets per side?


Yep, 3 will work well if you only need a vertical dispersion of 30 degrees. Could work in rooms with lower ceilings. For more normal size rooms 40 to 50 degrees would be more useful.

I used 9 cabs per side for 20,000 people and I don't want to sound up my own arse, but really only needed 4 to 5 cabs per side to do that many people, it really is that loud and efficient. 

Both the K1 and J arrays at the clash had 18 per hang.
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Pasi View Drop Down
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Points: 2732 		Direct Link To This Post Posted: 31 October 2014 at 10:34pm
Originally posted by R Mogale R Mogale wrote:


Both the K1 and J arrays at the clash had 18 per hang.



But that's because of the vertical pattern control, not because of the SPL. Line array just doesn't work with couple of boxes in hang. It should be at least 4 times higher than the lowest wavelength is where control is desired.
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R Mogale View Drop Down
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Joined: 31 October 2014
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Points: 76 		Direct Link To This Post Posted: 31 October 2014 at 10:36pm
@ Matt,

Well I'm fussy who I sell to.....

Never wanted to kill anyone with sound, just give them a good time. Far quicker ways to kill than a slow 100 watt cook. I'll leave that for the more sadistic types among us.

Plans are available if you can deduce how I did it.

Shit, did I leave.

 
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R Mogale View Drop Down
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Joined: 31 October 2014
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Points: 76 		Direct Link To This Post Posted: 31 October 2014 at 10:37pm
Originally posted by Pasi Pasi wrote:

Originally posted by R Mogale R Mogale wrote:


Both the K1 and J arrays at the clash had 18 per hang.



But that's because of the vertical pattern control, not because of the SPL. Line array just doesn't work with couple of boxes in hang. It should be at least 4 times higher than the lowest wavelength is where control is desired.


Thanks for that, I'll keep it in mind.
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R Mogale View Drop Down
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Joined: 31 October 2014
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Points: 76 		Direct Link To This Post Posted: 31 October 2014 at 10:45pm
When you get good enough like John Meyer, Danley you realise there is no line array, there is no cylindrical wavefront. It just works by minimising destructive interference and from the gains of total coherence.

Do some experiments.



Edited by R Mogale - 31 October 2014 at 10:47pm
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