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Beyma SB18 building pics

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Ibex View Drop Down
Young Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ibex Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2010 at 7:28pm
Indeed, intersting tops as well!!!
Great job!
Is the a possibility to get some more infos on the tops?
greez
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2010 at 12:40am
How much the grills costs?
Marjan Milosevic
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audioalliance View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote audioalliance Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2010 at 12:00pm
nice rig.... gots me thinking I might need 2 more of these SB18 suckers.... hmmm
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2010 at 7:13pm
Has anyone tried to sim tis box in HR?

Marjan Milosevic
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fredos666 Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2010 at 7:32pm
They cosy me about 50$ USD each, same price for sub or top, same job at tooling...I'm building right now 4 more sub and 2 more top, I want to run 3 bass 2 top per side. I see somewher an HR for this sub, but when I RTA them, I was really surprised...They go to 40Hz flat, with a small ''hole'' in the 60hz region, maybe about -4 db and go nicely to 125Hz. The -6db is at 36hz. Under 40hz, they fall like a monkey face..This is with 2 sub coupled. I have another version, but each section is 1 over the other one and I mirrored the sub, but I dont know why, it's not the same result as configured like that...The other thing, I made a small modification to get the sub same wide as my top...Maybe that's the key!
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2010 at 10:29pm
So what are the real advantages against a reflex box?
Marjan Milosevic
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fredos666 Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2010 at 5:33pm
Effiency! They hit very hard...Specialy with few kw..
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 01 February 2010 at 12:30am
Originally posted by fredos666 fredos666 wrote:

We built dual one...A pair outside per side ( equal to 4 SB18 each side) driven with 1500W each (driver) kick at 100 foot easy. Bottom are great, no need for extra sub. We did an arena this NYE with 4 double each side and this was enought for 6000 peoples...130 db in the middle of the crowd in ''C''...Pretty impressive for the size...We load them with RCF 18N401...Easy to get here. We measure 6mm of excurtion in one side, seem to be the same when driver kick inside..Just made some RTA this afternoon, will try to post it tomorow..


Any pictures from this event?
Marjan Milosevic
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Post Options Post Options   Thanks (0) Thanks(0)   Quote fredos666 Quote  Post ReplyReply Direct Link To This Post Posted: 01 February 2010 at 1:53pm
I have few youtube...I will find it and post link this afternoon and the RTA result too.
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 01 February 2010 at 2:03pm
What i am really interested is how much gain this box has comparing to the br one?
Marjan Milosevic
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audioalliance View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote audioalliance Quote  Post ReplyReply Direct Link To This Post Posted: 01 February 2010 at 2:12pm
Originally posted by fredos666 fredos666 wrote:

Effiency! They hit very hard...Specialy with few kw..


Pope help me with both my builds I getting together another pair and they do hit really hard for cab this size... plus I'm sure all you guys have heard your bass disappear after you walk a few meters away from your stack... these SB18's covers a nice distance even if you're play'n some d&b....

Right now it's carnival time here so it's pure soca vibes... I did 2 events, both indoors with 175 to 200 patrons each.. I used four X15  and two SB18 subs.... it was MADDDDDD... good kick and the bass rolled off of them nicely one host ask that I low down the bass a bit since his roof was vibrating way too much for his comfort...   LOL...

I used Pope build specs if you were wondering...


Edited by audioalliance - 01 February 2010 at 4:19pm
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MarjanM View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarjanM Quote  Post ReplyReply Direct Link To This Post Posted: 03 February 2010 at 4:13pm
So this should be a very nice all around bass speaker then.

Edited by MarjanM - 03 February 2010 at 4:13pm
Marjan Milosevic
MM-Acoustics
www.mm-acoustics.com
https://www.facebook.com/pages/MM-Acoustics/608901282527713
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