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The Boogie Man

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Good to see someone else using Matrix Amps. I have 2x UKP 1300s and also 1x UKP2100 the latter courteousy of Rob_Beech :o

They're good amps. I'd prefer Lab Gruppen though. but hey, I'm now going :D

 

I have to admit, while being an Acoustics Consultant and have been doing Live sound for a number of years, I haven't really delved into what Comb Filtering is, but I guess that's just because I've never needed to in my life understand it. However, I believe it is to do with Phase Cancellation caused by inappropriate speaker placement.

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To be honest, I've never used Nexo stuff so I can't comment directly.

 

However, with the subs you currently have, why do you crossover so low? or is it just a set crossover frequency that you cannot change?

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To be honest, I've never used Nexo stuff so I can't comment directly.

 

However, with the subs you currently have, why do you crossover so low? or is it just a set crossover frequency that you cannot change?

 

120Hz is LOW!!???

 

For a genuine sub (as opposed to a bass speaker), I would consider 120Hz to be reasonable if not a little high, it depends on how low the tops will go and still sound decent however.

 

I normally cross the subs over at somewhere in the 80Hz - 100Hz region (with a high pass determined by where the sub cabinet unloads), it does depend on what the situation is however, sometimes you need all the headroom you can get on the top boxes and then going a bit higher is not unreasonable, decisions, decisions...

 

But yes, if you are not trying for an arrayable box, then the PS15s will work well in this situation (You might even get away without the subs), these do need a big amp to get the bset out of them, I have seen anything up to an MA5000 used!.

 

Regards, Dan.

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I have recently upgraded from Nexo PS10's/LS500 to PS15's/LS1200 and can only say to my ears the sound is incredible.

It is essential to give the PS cabs lots and lots of power however,I use Camco Vortex's.

I'd be flabbergasted if you weren't blown away by the sound Nexo cabs provide especially for the kind of stuff you do.

I presume you are talking about solo performance like the video you have on your website which rocks by the way.

The thing about the Nexo PS series is that it goes incredibly loud whilst maintaining excellent intelligibility something I just was not used to after gigging for years with poor quality gear.

This means that it sounds fab and doesn't hurt your ears like most of your MI stuff.

The only negatives I can think of are the size and weight of the cabs certainly with the PS15's.

The PS15's themselves can be managed single handedly(just) but the LS1200 is heavy and definately requires castors if you were going out alone.

The PS10's ofcourse wouldn't be a problem,it really depends what you intend using them for.

 

 

 

Interested to hear your thoughts on this set up.........

http://i13.photobucket.com/albums/a286/rinkydinkron/NexoPS15LineArray.jpg

 

 

:huh: Quotage snipped.

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120Hz is LOW!!???

 

For Mr. Riff's acts, yes.

 

I wouldn't consider there being much guitar content down this low. Electric Guitars aren't renowned for giving out much in the way of sub-bass or just the lower end of normal bass. So therefore, If bass-bins were wanting to be used then I'd cross them over a little higher than that - maybe 150Hz - Experimentation is an idea here.

 

I have some pretty serious speakers and for the low end, yes they're not stictly "subs" (but they do go down to 35 or 30 Hz pretty nicely) they're dual 15" Bass Horns and I cross them over at 150Hz.

 

For a genuine sub (as opposed to a bass speaker), ...

 

Exactly my point... there's no need for Sub bass here. unless there's some sick sounding bass line as part of a backing track.

 

It's always nice to have a pair of Bass Speakers just to help give that extra bit of welly so that the tops don't have to work harder on the low end, but kick out more low/mid, mid and high.

 

BoogieMan: Mr. Riff looks like he plays acoustic and electric gtrs. when he's playing acoustic, does he like the "Chugga Chugga" sound from the low strings? Cause that's when the bass speakers will repsond nicely. not a lot, but enough to give that extra bit of power to the sound.

 

Rinky: in response to that photo, I find my self asking the question "Why?!" :huh: all that for a DJ?

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Rinky: in response to that photo, I find my self asking the question "Why?!" :huh: all that for a DJ?

 

That photo is just **wrong** in so many ways!

I have my own horror stories about walls of PS15s, ooh the pain, the trauma (A supplier named for blokes living in cold places down near the Elephant & Castle in this case)....

 

Personally for an act with no real low end requirements, I would leave the extra bass boxes at home, the PS15s are heavy on their own, and I don't need the extra back pain.

Just because you have them, don't mean you have to use em every time!

 

Subs are massively over rated for most styles of gig, even the bass drum doesn't have much down in that bottom octave, and unless the room is acoustically decent, you will just get mush down there.

 

Regards, Dan.

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Cheers troops, I'm swaying in their direction more and more.

 

Mr si, yes your right I had forgotten I'd changed the x/over a couple of months back. yes there wasn't a lot getting to the bins ( celestion 400w 15" bass, not sub bass ) It used to be 120htz but I found that 140- 150 put a bit more umph into the sound , the draw back at presant is that the more you take off the tops the weaker the sound, but going to a set of ps speakers could mean I can use the tops as th main sound and just let the bass fill the sound.

 

Questions, ps10's and their own amp what sort of real world volume per side are we talking? likewise ps15's

 

Is it better to run their own amp or the controller ( or a better one? ) and a different amp?

I mean has anyone had the chance to hear the different combinations?

 

baz

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Rinky: in response to that photo, I find my self asking the question "Why?!" :huh: all that for a DJ?
That photo is just **wrong** in so many ways!
I hear ya Dan and Mr Si but god it would be fun to hear that setup!

 

Boogie man in my view you would definately need an LS500 if you go with the PS10's.

They are marvellous speakers but don't really have a great deal of bottom.

You would get away with only a set of PS15's as they have a far fuller sound with the 15inch speaker however they are obviously not quite as portable as the PS10's.

It's really important to not expect the impossible from these cabs though,they will go incredibly loud and remain clean if adequately powered.

If using the PS10's the PS10 amp sounds great and is simple to connect up and should you wish to use the sub you can run everything off the one amp so it's very convenient but you will need an appropriately high powered amp and seperate controller for the PS15's as Nexo do not presently have a PS15 amp.

By all accounts it is essential to use either a Nexo PS15td analogue controller or the far more expensive digital equivalent with the PS15's.

I wouldn't dream of using another controller but I know some have.

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The only real advantage to powering PS10s from something other than the PS10 amp is if you want to run other rigs from it at other times (which I'd guess you don't). The PS10 amp is made by Camco, and is properly matched to the speakers and requires no patch panels or sense lines or other nastiness that make nexo rigs a pain. I'd definitely go that way!
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I have heard of folk using QSC PLX3402's but basically the bigger the better.

Nexo recommended amplifier is anything that puts out 550-1200 watts at 8Ohms.

I use a Camco Vortex 6 which is 1300 watts at 8Ohms but I would say they are capable of even more amp.

A V6 is nice and light weighing in at just 12.4Kg.

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I'd agree that you need serious power for these things.

 

a leap from around 600watts to 1200watts will give you around 3db more output. 600wpc at 8ohm amps are very common.

for an extra 3db you'll pay ALOT more money for amps. I am wondering whether its worth it.

 

if you have your speakers on sticks at head height you wont be able to push them hard enough without doing someone some serious damage on the front row.

 

They are very nice sounding speakers, yes they are heavy, and expensive, but worth it.

I'd say buy an amp around 600wpc or a little higher.

get some BIG stands and put your cabs up another 3 feet where the room allows.

 

Rob

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Really Really Really stupid.

 

I really like this picture! I will be using it as a class example for some of my seminars.

Did they really rotate the horns in all 10 boxes?.... or I am going to guess that they did not bother.

 

Fantastic. More is more!

 

:D Quotage snipped.

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