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 Post subject: DAC Advice
PostPosted: May 20th, 2017, 10:50 pm 
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Joined: July 17th, 2016, 6:24 am
Posts: 606
Now that my dual AK4495 DAC is putting out just noise, went back to the AK4490 DAC.
AK4490 is a good DAC, its background is darker but it lacks the dynamics and resolution of dual Ak4495, especially with Burson opamps. Too bad I didnt get to experience it longer.

At some point I would like to try the dual chip DAC again, but for now decided to build the AK4497 DAC from DIYINHK.

Couple of questions:
1. DIYINHK does not seem to offer COAX input option. Is it possible add later from a third party source?
2. DIYINHK has several power supply regulator options, from $15 to $60.
At these regulators with "hybrid choke coil" make a desernable difference?
http://www.diyinhk.com/shop/audio-kits/ ... 15ax2.html

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 Post subject: Re: DAC Advice
PostPosted: May 22nd, 2017, 10:00 am 
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Joined: May 21st, 2017, 11:34 am
Posts: 15
Cogito wrote:
Couple of questions:
1. DIYINHK does not seem to offer COAX input option. Is it possible add later from a third party source?
2. DIYINHK has several power supply regulator options, from $15 to $60.


Over on diyaudio, there is a large group buy underway for Iancanada's I2S Fifo and SPDIF kit. One of the options is an SPDIF receiver that outputs I2S. That seems like a good option for your desire to have a coax input.

http://www.diyaudio.com/forums/group-buys/207438-ian-asynchronous-i2s-s-pdif-fifo-kit-group-buy.html

There are many options and it's a bit overwhelming trying to read through all of the material but someone has put together a wiki that summarizes things nicely.

http://www.diyaudio.com/forums/showwiki.php?title=Ians_I2S_FIFO_Project

No connection with the group buy other than having bought some of the parts, but still waiting to find time to integrate it with one of my dacs.

---Gary


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 Post subject: Re: DAC Advice
PostPosted: May 24th, 2017, 2:29 pm 
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Joined: July 17th, 2016, 6:24 am
Posts: 606
Thanks. I ordered a AK4118 based I2S to SPDIF board from ebay. Under $30.

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