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-   -   MiniDSP and LinkwitzLab (http://www.diyaudio.com/forums/minidsp/233772-minidsp-linkwitzlab.html)

gainphile 9th April 2013 10:51 AM

MiniDSP and LinkwitzLab
 
It seems that mr. Linkwitz, a long-time analog proponent, is very happy with the performance of MiniDSP and is now offering the DSP config file for his LX521. Davey, a resident expert here had done the work !

linkwitzlab.com/LX521/DSP_challenge.htm

Quote:

Our longtime contributor and highly respected supporter of the OPLUG, known as 'Davey', sent me a DSP prototype to which I have listened now for many hours. I am quite impressed. Its performance appears to be on par with the LX521 ASP. I will investigate further. It is an alternative to the ASP.
So congratulations to MiniDSP team :)


It's now very tempting to build these !

http://linkwitzlab.com/LX521/port-09.jpg

Davey 9th April 2013 02:27 PM

Engaged in some pot stirring again? :)

Dave.

minidsp 10th April 2013 09:53 AM

Wow, we were not aware at all that Dave was up to this challenge! (though he's a busy guy so hard to track him.. ;-) Thanks for sharing Gainphile.

Great stuff Dave and congrats for using the nanoDIGI in this application.That's certainly some great work and knowing your involvement in the SL & miniDSP community, we're fortunate that you were able to convince Mr Linkwitz with your implementation.

Did you build this XML file with the intend of providing the file for sale? Feel free to get in touch with us to talk about it. We'd be happy to help you on our website!

DevTeam

rob g 11th April 2013 10:38 AM

Quote:

Originally Posted by Davey (Post 3447177)
Engaged in some pot stirring again? :)

Dave.

We await the soon to be long running "What!, Crystal radio beats LX521 in listening tests!" thread. ;)

kevinahcc20 11th April 2013 12:19 PM

Quote:

Originally Posted by rob g (Post 3449726)
We await the soon to be long running "What!, Crystal radio beats LX521 in listening tests!" thread. ;)

Would the crystal need to be encased in a pyramid to perform at this level? Sorry...back to topic!

gainphile 24th April 2013 01:30 AM

Further update from LinkwitzLab, quote:

Quote:

After more listening by myself and an experienced audio professional I can state that Davey's LX521 DSP prototype is without reservations an excellent alternative to the ASP in a stereo system application.

Soldermizer 24th April 2013 01:52 AM

Ve haf finally won Herr Linkwitz over to der Dark Side (DSP) :darkside:

tktran303 12th May 2013 01:35 PM

^^^^

LOL

JZatopa 1st June 2013 08:23 PM

If there was a way to connect a set of ODACs to a nanodigi I think I would be in DSP heaven.

Davey 2nd June 2013 02:31 AM

Quote:

Originally Posted by DJNUBZ (Post 3512142)
If there was a way to connect a set of ODACs to a nanodigi I think I would be in DSP heaven.

Actually, you could...with some work. But it would be more trouble than it's worth. :)

The DAC part of the ODAC is a simple ESS9023 chip configuration. A few DIY'ers (myself included) have already implemented these on a separate board that could be interconnected to a suitable I2S source.

The current nanoDIGI board doesn't bring the I2S signals to an accessible header, but rumor has it the next version will. This would (possibly) allow a custom daughter card of some sort that implements four ESS9023 DAC's to attach directly to the nanoDIGI board for a very clean and compact eight-channel output solution.

Cheers,

Dave.


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