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ls2000 nexo

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csg View Drop Down
Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 27 March 2008 at 8:30pm

im away with work at the mo - should be back in 10 days, so hows about i run one over when i get back ? high time i got on with this....

picking up some lab 4000's tomorrow to run these, should be interesting!

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Post Options Post Options   Thanks (0) Thanks(0)   Quote apprenti bidouille Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2008 at 4:32pm
Hello.
I'm French and i have a NEXO LS 2000 with a LS TDController. I only have a 2B55A card, which means the frequency cut-off is fixed to 55Hz...
As i use this with some PC115 speakers, i would like to increase the frequency cut-off to 75Hz...
So I would be really hardly interested if someone wants to sell a 2B75A card, or if someone is interested by exchanging a 2B55A with a 2B75A !
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2008 at 10:24pm

really for pc line cabs you need a 99 card, but this was designed for the ls1500 only.

nice cabs the pc115's. ive got some pc115w floor monitors and there lovely. would love some more...

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Post Options Post Options   Thanks (0) Thanks(0)   Quote apprenti bidouille Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2008 at 3:25pm
Just to know :

With your LS TDControllers, do you have both 2B75A and 2B55A cards ?

This is just to know if Nexo was delevering both cards when selling a LS 2000 or not... And to know if i have to search everywhere to see if i find a 2B75A in my garage :-D
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2008 at 7:15pm

i have 2 ls td controllers, one with a 55 card for use with si2000 or ts2400, and one with a 75 card for use with msi. I think you chose which card you requred when ordering.

as i have both si2000 and msi-v cabs i use both controllers.

you might like to contact Melpomen in Nantes who may just have come cards lurking around. Ask for Tierry Tranchant.

if you ever decide to sell your ls2000 or pc line cabs please let me know - i love the older Nexo kit, and enjoy traveling over to france as often as possible!

 

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apprenti bidouille View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote apprenti bidouille Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2008 at 7:44pm
Thanks a lot for your message !
I have sent an email to Melpomen, but i suppose he won't have this type of stuff. We will see !
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Old Croc
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2008 at 8:41pm

it might be worth a go - i purchased quite a lot of nexo kit from Melpomen a couple of months ago, including some ls2000 units. good luck!

ps - how do you find the ls2000 - i find it a very unusual subwoofer. very accurate, sounds strange when you are used to other units which are warm and fuzzy in comparison to the ls2000.

ive only owned mine a short while so am keen to hear other users opinions.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote apprenti bidouille Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2008 at 8:56pm
Well in fact i cannot easily compare, my situation is really unusual :
All this stuff was previously used in a sound & light show owned by my father. I recovered it recently and as i am studying engeneering and have to sit exams from now to July, i don't have a lot of time to use this stuff...This also means i don't have a lot of experience with other subwoofers so i really can't compare with other ones...
I just find it really impressive but this is a newbie appreciation since i'm not used to hearing other subwoofers so powerfull than this one.

Sory for my English, i hope you can understand !
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dadaumpa Quote  Post ReplyReply Direct Link To This Post Posted: 06 April 2008 at 2:28am
Hello Chris,
here there are some measurement I did on my SI 2000, if may be of interest to the SI2K user community.





Later on I'll post the impedance curve of the LS2000  sub.

Ciao

Marcello
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dadaumpa Quote  Post ReplyReply Direct Link To This Post Posted: 06 April 2008 at 3:20am
...and thi is my usual rig.





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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 06 April 2008 at 12:13pm

thanks for that Marcello, the bottom diagram is how i stack mine.

the drivers in the ls2000 look like rcf l18p 200 units, 4 ohm coil. do you know if that is correct - this will be usefull if roecones are required in the future.

ive now got enough Lab gruppens to power the rig properly - im going to be using : 

Lab 2000c for si2000 mid / high ( 1 channel per 2 bins, 2 0hms load)

Lab 2000c for si2000 bass ( 1 channel per bin, 2 ohms load)

Lab 4000 for ls2000 sub ( 1 channel per bin, 2 ohms load)

i think this will work well, all the power being delivered to the cabs will be in like with what nexo recommend.

i already use Lab 1600 amps to drive my msi-v cabs and they sound great, and are just reaching 0dB when the nexo td controller limiters are comming in on excursion, so i think they are a good match.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Heathrow_B_line Quote  Post ReplyReply Direct Link To This Post Posted: 06 April 2008 at 2:18pm
Originally posted by dadaumpa dadaumpa wrote:

...and thi is my usual rig.





 
can i ask what kind of events you use that rig for mate?  also how large is the crowd you play too?  I am thinking of putting a copycat rig together but with porn horns for the top end and am curious as to the output/crowd coverage
 
also can you fit that in rig into a transit sized van?  i normal one, not a long wheel base one.  lastly have you ever tried any cardiod setups for the ls2000 subs?
 
 


Edited by Heathrow_B_line - 06 April 2008 at 2:33pm
Produce a killer sound. Take no prisoners.
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