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DriveRacks - whats the go
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b_dann_b
Presonic
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Joined: 09/03/2011 13:03:37
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Hi All,

just after some options on the driverack i know gadget and mono use them - never had a need personally, just wondering what i'm missing. I have a nexo ps10 rig which requires a speaker controller (made by nexo) to run them. it does the flat eq for the speakers as well as crossover for the nexo subs. anything else?
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Monolithent
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Time alignment, driver alignment, input and output parametric and graphic EQs, crossovers for just about everything you could imagine.

The thing is, your dsp device probably has very similar capabilities. Which model is it? We can compare capabilities. But if you've already got it and it is setup for your Nexos I wouldn't switch.
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gadget69
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No way, in total agreement with Jon here.. You could ADD to the capabilities of the controller, PEQ's GEQ delays and such but you don't "need" them unless your a control freak like Jon and I
NOTE: If your having an issue, open a tech support ticket and bring the number here if you want help!
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b_dann_b
Presonic
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The controller is called a nexo ps10 td controller and its specifically designed for this set of speakers - they basically sell it to you as part of the speaker set and they reckon u can't get the soud they promise without it. Link to the doco on it is http://nexo-sa.com/attachments/products/46/ps-series-manual.pdf

Seeings my 1642 has 31 band eq's , delays on sub groups and semi parametrics on the main fat channel I can't see a need for one but I wouldn't fully know until I've had experience with one. Not a control freak yet but getting there
Audio Engineer
Network Administrator - Win2003/2008 server, WinXP/7, Cisco, OSX, OSX Server

StudioLive 16.4.2
AudioBox 1818VSL
2 X Digimax FS
4 X Nexo PS10
2 X Nexo LS500 Subwoofers
2 X Camco Techton 38.4 Amps

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gadget69
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The Nexo's sound like CRAP without the controller, I know.. they had those when I went to the Yamaha DM5,M7CL, clinic.

The delay available on the board is useless for alignment and was basically put there as a "delay fill" feature...

Geq's are a POOR substitute for PEQ's... 4 Peq's are often sufficient and far superior sonically to ANY amount of GEQ. Remember that each tweak of the GEQ (and PEQ's as well) faders causes phase shifts and delays through the circuitry that degrade the audio... multiply this X 31 bands and you can really hack the audio to pieces, a little at a time, and due to the nature of our hearing, which compensates quickly for sonic deficiencies (not so with time/phase issues) in the sound.

You can prove this by slowly making a bunch of significant changes to your Geq.. hack it up pretty good, but slowly over a period of time. Then, bypass the EQ and see what you have done to the sound. You will quickly begin to see that your ears can play tricks on you and you didn't even realize it...

This message was edited 1 time. Last update was at 02/11/2012 16:17:27

NOTE: If your having an issue, open a tech support ticket and bring the number here if you want help!
http://support.presonus.com

Tools:
OHCI tool and Latency mon:
http://forums.presonus.com/posts/list/11348.page

We, the few, that have done so much, for so long that now we can do everyything with nothing

dbx forum moderator

Lenova Ideapad Z565
Best connectivity Express card/firewire 2 port (400) that does NOT suggest having the TI chipset. (always worked great)
BYTECC Express card (400/800)07150358281

Asus/AMD processor tower. This setups just works on all firewire devices.

Belkin N450 dual band router, works with SL and Ai mixers
Studiolive 16:4:2
SL Ai24.4.2
ABUSB 1818VSL
Faderport
USB pre interface
Studio one Pro V2
LABsubs

loads of audio, and studio gear, and audiophile sound gear (gearslut)
[Email] [Yahoo!]
Jerryd
Presonic

Joined: 28/07/2010 16:01:24
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b_dann_b wrote:Hi All,

just after some options on the driverack i know gadget and mono use them - never had a need personally, just wondering what i'm missing. I have a nexo ps10 rig which requires a speaker controller (made by nexo) to run them. it does the flat eq for the speakers as well as crossover for the nexo subs. anything else?


Well -- how does your Nexo's sound? You didn't say anything about the power side of this. You can have the Speakers and the controller but if the amps aren't included (the exact amps) then there is still a lot of potential for the balance to be out of whack.

If everything is loaded properly (tuning preset) then I would think that part of the process would be complete. It is up to you to get the balance right using the amp input attenuators. If this is done correctly -- you should have the System issue side completed.

I would not use a driverack on the Nexo's if you have the Nexo controller. Especially if you tried to enter into the driverack -- the Nexo tunings. It doesn't quite work that way. I have tuned several systems with a hodge podge of makes and models and the recommended tunings never sounded very good. Smaart also confirmed that there were issues. They just don't transfer very well. Had to scrap them and start over.

Yeah the Nexo controller is probably another revenue source but they do work well with their speakers. My Controller for my DAS Tops is $3,000. My DBX 260 was under $700. I find it hard to believe that I am missing out on a $2,300 difference although I wish I had the specified controller and amps.

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My two cents worth....

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Presonic
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Note that the nexo controllers use sense lines to monitor the real signal going into the speakers. This allows nexo to increase the power capacity (peak load) of the speakers without damage and also allows to implement a spl dependent eq (the sensitivity of your ears for certain frequencies depends on the spl). You should never add a 2nd controller between the nexo controller and your amps! Of course you can do some processing to your liking before the nexo controller. The only need to do so would be delay for use as a delaystack or similar and for applying some room eq. If you bought nexo, then use the nexo controller...

This message was edited 1 time. Last update was at 04/11/2012 18:59:16

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b_dann_b
Presonic
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Joined: 09/03/2011 13:03:37
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Cheers everyone i appreciated the expertise.

Just recently an owner of the nexo and haven't got fully used to them yet. i do have the nexo controller already and the amps i use on them are the camco 38.4's. don't have any problems with the system, just wondering what the driveracks can provide over and above the nexo controller as it does all the speaker alignments/eqing for the specific models i have. Whilst the PEQ and timing aligment would be handy, i don't really need them (IMHO).

happy for further feedback/opinions - this is more of an education exercise for me cos sometimes i do gigs where i don't take my rig and there is a drive rack in place, so it nice to know the capabilities etc.

man i wish u guys were closer to OZ so we could catch up for a beer and talk shop
Audio Engineer
Network Administrator - Win2003/2008 server, WinXP/7, Cisco, OSX, OSX Server

StudioLive 16.4.2
AudioBox 1818VSL
2 X Digimax FS
4 X Nexo PS10
2 X Nexo LS500 Subwoofers
2 X Camco Techton 38.4 Amps

MacBook Pro - i7 2.2ghz, 8gb RAM
OSX Lion 10.7.4, Win7 64bit Ultimate (virtualised with Parallels)
Jerryd
Presonic

Joined: 28/07/2010 16:01:24
Messages: 698
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b_dann_b wrote:Cheers everyone i appreciated the expertise.

Just recently an owner of the nexo and haven't got fully used to them yet. i do have the nexo controller already and the amps i use on them are the camco 38.4's. don't have any problems with the system, just wondering what the driveracks can provide over and above the nexo controller as it does all the speaker alignments/eqing for the specific models i have. Whilst the PEQ and timing aligment would be handy, i don't really need them (IMHO).

happy for further feedback/opinions - this is more of an education exercise for me cos sometimes i do gigs where i don't take my rig and there is a drive rack in place, so it nice to know the capabilities etc.

man i wish u guys were closer to OZ so we could catch up for a beer and talk shop


The Nexo controller is your " driverack" so to speak. There is nothing else that needs to be done on that side of the system. However, if you had their amps as well - that would complete the system tuning process. That is why I stated earlier that you need to get the balance right otherwise it changes your crossover points and alignment.

You should have a decent blank canvas to work with at this point. Keep your speakers on the people and off the walls. Take note of room modes....... Watch your spectra graph and it will be easy to see. Start mixing.... Don't be afraid to grab a knob and seriously turn it..... Get used to what it does to the sound. Check out some Dave Rat videos on Eqing sound systems..... Lots of good stuff out there.
 
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