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Old 5th December 2009, 03:16 PM   #1
Elbert is offline Elbert  Norway
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Default Programmable Digital X-over board?

Hi!

Just stumbled across a 2-ch plate amp from Hypex Electronics B.V.

The concept of a PC programmable X-over /filter really sounds great.

I was originally planning to build an analogue X-over for my active Speaker project by measuring the speakers and then calculating filters which would "hopefully" give me a good result. and then measure again.

Obviously, this would be an iterative process that would take a lot of measurements and re-soldering of the filters.

Being able to configure a digital filter "on the fly" whilst measuring the results of any iterations would be just so much better!

As I've already buildt some really nice amps, I'm really only after the filter functionality of the Hypex module.

Does anybody know if a programmable X-over board with software is available in kit or ready-made form?

I know there are some fancy DSP boxes out threre, but I just want a board that I can integrate in to the multi-channel amp just like an ordinary analogue filter board.
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Old 5th December 2009, 04:10 PM   #2
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DCX2496...I am trying do rip out the heart of it, the DSP board and fit with separate I/O level converters and PGA based volume control to fit into a multichannel amp, but as any diy project there is no project time plan...

but there is groundsound.com, a countryman of yours...
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Old 5th December 2009, 04:27 PM   #3
Elbert is offline Elbert  Norway
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Thanks for the tip!

Something like that DCN 23 board is just what I would be interested in!

But I must say the price is perhaps a bit on the steep side, especially as I'll need two of those and the software..
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Old 5th December 2009, 05:04 PM   #4
Elbert is offline Elbert  Norway
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Found this company called redrcoks Red Rocks Audio

They also have a DSP module which looks very interesting.

Unfortunately, there is no pricing or ordering info available at the time..
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Old 5th December 2009, 06:02 PM   #5
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Sometimes you will have to pay some serious money to get a serious product...

DCN23 can be operated with the "old" free XOverWizard software - download here: http://www.groundsound.com/technical.php

Robert
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Old 5th December 2009, 06:15 PM   #6
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THis is cheap:
C5000 DSPs What&#39s New from Texas Instruments

Add a pair of DAC's interfaced via I2S.
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Old 5th December 2009, 06:23 PM   #7
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Need I say more...

What kind of drivers are you using?
Which amplifier modules did you build?
What kind of money did you spend on these?

What do you expect from your project?

Robert
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Old 6th December 2009, 12:45 PM   #8
Elbert is offline Elbert  Norway
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True Robert,

I have spent some money on other parts of my project as well, so in that respect, a pair of Ground-sound DSP's wouldn't be a totally disproportionate cost as such.

I'll have to give this some serious consideration, the money is not there at the moment, but the benefits are very tempting!
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Old 6th December 2009, 02:25 PM   #9
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Thanks,

I can recommend the customer gallery section:
Ground Sound/customer
More customer galleries will appear in the near future, so check it out from time to time.

Robert
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Old 7th December 2009, 01:47 AM   #10
gooki is offline gooki  New Zealand
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Quote:
Originally Posted by Elbert View Post
Found this company called redrcoks Red Rocks Audio

They also have a DSP module which looks very interesting.

Unfortunately, there is no pricing or ordering info available at the time..
Not sure if I can publicly disclose RedRocks prices, but their DSP is significantly less that the list price of the DCN23 kits.

Send me a PM if you want more information.
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