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Horn for 12MB1000

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Mircea Bartic View Drop Down
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Joined: 18 February 2005
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mircea Bartic Quote  Post ReplyReply Direct Link To This Post Posted: 10 December 2006 at 6:07am
ok...

this is the imput screen for the mt122


this is the imput screen for my version for 12mb1000


as you can see the horn has a bit larger mouth and  a higher compression ratio





general manager & head designer at nexus-acoustics research
http://www.facebook.com/nexus.acoustics.research

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Mircea Bartic View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mircea Bartic Quote  Post ReplyReply Direct Link To This Post Posted: 10 December 2006 at 5:54am
I'm sorry to tell you, but your drivers do not work in mt122..

I did a sim and there are some nasty peaks an nulls in the response

maybe a direct radiating design ?...
general manager & head designer at nexus-acoustics research
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jethrocker View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jethrocker Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2006 at 10:37pm
You could try comparing the T/S specs with other 12" cones used in available horn designs. The MT122 is deesigned around the PD123er I think. If the specs came up similar they should work nice in that design.
 
Also read up on the FAQ on the speakerplans homepage. If any of the specs differ, that might help you decide if it's going to let the driver down in that design or not.
 
The FAQ also has a decent explanation of T/S specs if you need it..
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tekasis Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2006 at 9:26am
Hi mate, I've never heard of these 12''s by 18Sound until now.
 
Had a read up on them & they seem very good.
 
I see they are a mid-bass driver, what are you planning to play through them, Mid range or Bass ?
 
Cheers.
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Joined: 09 December 2006
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DYSW Quote  Post ReplyReply Direct Link To This Post Posted: 09 December 2006 at 5:50am
Hey everybody.
 
Iwe been lurking for quite some time now. This lead to i bought 4 12mb1000 from eighteensound
 
 
But i was a bit unlucky with the wooden horn i built myself. The fact that its only 40x40 from the front and 20 cm deep might have something to do with it. But im running out of time. got alot of jobs in januar, so i need 4 horns that really works on these units.
 
Iwe looked at the limmer. But that is so overprices that its out of my reech. would be more than what i payed for the units.
 
Have anybody tried these units with any horns or have any ideas what to do ?
 
BEst regards
Mikkel koch
KPLsound bornholm.
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