Help pick a dsp for cv5000 amplifier - AVS Forum
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post #1 of 21 Old 02-16-2013, 02:33 PM - Thread Starter
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Hey all! Just ordered a cv5000 amp and I need a dsp for my subs. Minidsp looks good and I'm running a marantz sr7005 receiver. Any insight as to which model would be helpful from those of you who own one of these amps.

.....Also I'm looking at which mic to get to use with a laptop to do the calibration.

Thanks! biggrin.gif

James
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post #2 of 21 Old 02-18-2013, 06:35 AM - Thread Starter
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No one uses DSPs here on this forum? Kind of a shame tongue.gif
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post #3 of 21 Old 02-18-2013, 06:41 AM
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A 2x4 with 2 way advanced plug in should be all you need. How many subs/cv5ks.

BTW, I love the CV5k, I have two and they are fantastic!


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post #4 of 21 Old 02-18-2013, 05:26 PM - Thread Starter
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Hey thanks ChopShop1. I'm only going with a couple dual opposed boxes with the new 18" Dayton HOs. MrSmithers and Gorilla really seem to have had good luck with the build and I am really excited about getting mine completed. My boxes are basically Gorillas box modified a little with MrSmithers' bracing plus some per his suggestion. So volume will probably be closer to 6.9 cubes sealed.
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post #5 of 21 Old 02-18-2013, 05:28 PM - Thread Starter
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One CV5000 should power the 4 dayton drivers (hopefully).
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post #6 of 21 Old 02-18-2013, 06:50 PM
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Quote:
Originally Posted by Toymachyne View Post

One CV5000 should power the 4 dayton drivers (hopefully).

It will work out perfectly. I have tested that exactly when trying out stuff for my theater. Run eac channel parallel to two woofers, 2ohm stereo, 1250w per woofer.....big boom biggrin.gif


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post #7 of 21 Old 02-19-2013, 05:55 AM
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Quote:
Originally Posted by Toymachyne View Post

No one uses DSPs here on this forum? Kind of a shame tongue.gif

There are likely more of us around then you think. I know Gorilla uses one as do I. There is a minidsp thread in the DIY area. It's not super active but sometimes it gets going. It is one of those things you get tweaked to your liking and then not touch for a long time.
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post #8 of 21 Old 02-19-2013, 05:57 AM
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I also vote minidsp. Nifty gadget and has some features some of the behringer units do not. Can't beat that price either.
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post #9 of 21 Old 02-20-2013, 12:42 PM - Thread Starter
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Anyone have trouble finding a 12V converter to work with their DSP? I don't see that it comes with one and there has to be a better way than splicing wires right?
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post #10 of 21 Old 03-05-2013, 02:08 PM
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Hello! I am building two single driver 4^ft enclosures using the Dayton 18".
Was just exploring the amps to use in my thread over in DIY subs section.
Sounds like the EP4000 can handle 2-driver duty and the CV5000 would be overkill (sounds like a great 4-driver set-up as in your case!), but allow the headroom for future expansion...so I was still kicking that around to future-proof.
Then again, several forumites have pointed out that at $300, I could buy one EP4k, and if not happy, buy a second and bridge the two for $600.

Anyway, I was in the process of ordering a calibrated Dayton UMM-6 mic from Cross-Spectrum, but they don't seem to want to follow up on my order any more.mad.gif
So, calibrated USB Dayton mic seems to be the goal.

Many have suggested the miniDSP route to me as well.

Best with all!


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post #11 of 21 Old 03-05-2013, 04:54 PM
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Whoa! Cross Spectrum returned my call. Order has been processed and shipped.
One calibrated Dayton UMM-6 with USB file for that mic, as well as that mic's individual report is now on it's way.biggrin.gif


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post #12 of 21 Old 03-09-2013, 09:14 AM - Thread Starter
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Cool! Looking forward to your follow up review.
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post #13 of 21 Old 03-11-2013, 11:57 AM - Thread Starter
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Ordered the minidsp 2x4 balanced in a box unit. I'm just using Hosa cables and Phoenix connectors as they came pretty well rated from what I've read. Will report once everything gets in and I have a chance to setup and calibrate... Wish me luck lol
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post #14 of 21 Old 03-12-2013, 08:34 AM
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MiniDSP 2x4 balanced, EP4000, and UMM-6 arrived yesterday. Will keep updated in my build thread from this point on.
Best to you!


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post #15 of 21 Old 11-04-2013, 06:15 PM - Thread Starter
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Quote:
Originally Posted by blah450 View Post

MiniDSP 2x4 balanced, EP4000, and UMM-6 arrived yesterday. Will keep updated in my build thread from this point on.
Best to you!

Any updates? Are you powering your dsp by USB or wired?
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post #16 of 21 Old 11-07-2013, 05:25 PM
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Quote:
Originally Posted by Toymachyne View Post

Any updates? Are you powering your dsp by USB or wired?

Hey there. I have placed more info in my build thread rather than here.
Have now picked up a Peavey IPR2 amp and have EP4000s for sale.
Considering another Peavey or Crest and moving my drivers into martysub or Gjallerhorn design.
My miniDSP has been...an adventure...as I have elaborated on in some other posts and in a thread I started about it.
To the best of my knowledge, the miniDSP 2x4 balanced must be powered by wall wart and can not work on USB alone. I thought that USB as power source was only on unbalanced unit only???


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post #17 of 21 Old 01-09-2014, 12:38 AM
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I use a couple of these. Apparently they just came out with a bunker bpd 1 plus that you can hook up through usb to your computer. 2 channel in 8 channel out, and all outputs can do subwoofersProcessed By eBay with ImageMagick, R1.1.1.M2b

A Good amplifier requires a adequate power supply, It does not matter what the amplifier is capable of if the power supply will not provide the power required. Most amplifiers have under rated power supplies. It is up to you to make sure you get the ones that are
least under rated if at all.
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post #18 of 21 Old 01-09-2014, 03:26 AM
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^^^^^Thanks, john...will look into this!!


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post #19 of 21 Old 01-09-2014, 04:02 AM
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Checked out spec sheet. Looks like filters can be applied down to 20Hz.
Just dying to see one of these DSP units (short of a Lake or something pricey like that) that we can use for multi-sub duty have software that can apply filters down to 10 or 5 Hz.
Saw the Plus unit with PC access...about $400.
What do you feel might be the advantage of a unit like this over the Berry 2496 which one can find for about $50-80 cheaper?


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post #20 of 21 Old 02-17-2014, 12:57 AM
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For one I would guess it be a better build than any unit made by behringer. Yes the ep 2500 4000 etc is there biggest reliable bread and butter but the rest just does not measure up. I had a dbx driverack pa plus and discontinued its use because the third output, WOULD NOT DO SUBWOOFER. It sounded like crap. The first two outputs would do acceptable subwoofer.

The DBX driverack also had ground problems that did not exist with my dbx 3 way crossover i was replacing as an upgrade. When i bought the Bunker unit, the grounding problems went away!!!
So DBX i do not think is internally built well, at least not the driverack Pa. I would be scared to buy behringer as I know most of their processing units go belly up too soon for my tastes.

Seeing as the Bunker BPD 1 does the job nicely with no issues and top quality internals, I am sticking with it. I like that it is NAFTA produced also.

I do not care much for the usb connectivity of the bunker plus unit. You can actually download the software and run it without the unit attached. It is just a convienience thing if you make a lot of changes.

A Good amplifier requires a adequate power supply, It does not matter what the amplifier is capable of if the power supply will not provide the power required. Most amplifiers have under rated power supplies. It is up to you to make sure you get the ones that are
least under rated if at all.
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post #21 of 21 Old 02-17-2014, 01:05 AM
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Not sure of the benefit of processing below 20 hz, When you set to the out position you are including all material below that level. This would be mostly feeling stuff. If you got a good sound card You can run foobar, and add VST capabilty to it, and then add specan 32 , a duplicate of the 31 band RTA by Klark teknic dn 60. The unit has rta bands in the 16 and 20 hz range which do register for my Asus Xonar STX sound card. More of a feeling bass than a listening bass. The 30 hz range seems to the the most dramatic for me.

What i have found is that improving performance in the sub 20hz region by default improves performance in the 20 to 50 hz region. So it is important to get that low end sub audio response.




http://www.youtube.com/watch?v=jkmEqOt8om8

A Good amplifier requires a adequate power supply, It does not matter what the amplifier is capable of if the power supply will not provide the power required. Most amplifiers have under rated power supplies. It is up to you to make sure you get the ones that are
least under rated if at all.
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Cerwin Vega Cv 5000 High Performance Power Amplifier , Marantz Sr7005 Audio Video Receiver Black , Peavey Ipr2 7500 Power Amplifier 7500 Watts , Behringer Europower Ep4000 Professional Amplifier
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