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I2s DAC + XLR for Raspberry pi?
I2s DAC + XLR for Raspberry pi?
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Old 23rd April 2018, 12:23 PM   #1
JonesySA is offline JonesySA  Australia
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Join Date: Feb 2014
Location: Adelaide, South Australia
Default I2s DAC + XLR for Raspberry pi?

Hi

I have a Pi with Volumio and a PCM5102 DAC which works well. I would like to upgrade to something better and like the idea or XLR.
Would this work:
Aiyima Update ES9028Q2M ES9028 I2S input Decoders Mill Board DAC Decode Board With Balanced Output For Amplifier DIY
Aiyima Update ES9028Q2M ES9028 I2S input Decoders Mill Board DAC Decode Board With Balanced Output For Amplifier DIY-in Amplifier from Consumer Electronics on Aliexpress.com | Alibaba Group to Clipboard
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Old 4th May 2018, 12:52 PM   #2
JonesySA is offline JonesySA  Australia
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Bumping my own thread. I've read this board works fine with their USB to i2s adaptor. Is there any reason it would not work with the pi i2s?
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Old 5th May 2018, 12:18 PM   #3
CallMeMike is offline CallMeMike  United Kingdom
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Quote:
Originally Posted by JonesySA View Post
Bumping my own thread. I've read this board works fine with their USB to i2s adaptor. Is there any reason it would not work with the pi i2s?
Of course it would work with a RPi; adding an USB-to-I2S bridge will open the possibility to play music via a wider range of audiophile music rendering software on a wider hardware platform (PC, MAC, Linux boxes).
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Old 5th May 2018, 01:50 PM   #4
Jerms is offline Jerms  United Kingdom
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Pi is not a very good I2S source. If it could work with Allo Kali or similar though....
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Old 6th May 2018, 02:27 PM   #5
JonesySA is offline JonesySA  Australia
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Join Date: Feb 2014
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Quote:
Originally Posted by Jerms View Post
Pi is not a very good I2S source. If it could work with Allo Kali or similar though....
What makes the signal not ideal?
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Old 6th May 2018, 07:30 PM   #6
wealas is offline wealas
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Lots of jitter and noise due to bad power supplies and clock. You'll need something like the Kali to reclock the signal and possibly an isolator to remove the noise from the Pi power supplies. With the added cost you might be better off waiting for Allo's new Katana stack that uses the same chip family and takes care of all of the above issues.
Plus I don't think the Pi has drivers to play native DSD if that's something you want to try.
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Old 6th May 2018, 11:01 PM   #7
Jerms is offline Jerms  United Kingdom
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Katana will be expensive (erm.... relative to this) . Kali plus eBay DAC will be cheaper. Much greater chance of mis-wiring and releasing the magic smoke with consequent use of magic words !"$%^&*&^%$!"&*(!!!!!! though

J.
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