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4th March 2013, 11:21 AM
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#564 |
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diyAudio Member
Join Date: Aug 2010
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Update: boards arrived!
Dear all,
I'd like to send a little update about my version of ES9023 + JG filter buffer PCB. Proto-boards arrived today so betatest can start soon. They look really good, though next time I'll take into account vias conflicting with silkscreen  Unfortunately a flu knocked me down so it may take a few days until I start contacting the beta tester and stuffing a first board (soldering those tiny smd stuff isn't fun if the head is completely mucus-ridden  ). I'll keep you updated!Best regards, Daniel |
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7th March 2013, 08:15 PM
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#565 |
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diyAudio Member
Join Date: Aug 2010
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Update: 1st board up and running
Hi all,
today I managed to stuff one board and do some first tests. Everything works right from the first start  I used asynchronous mode with 48MHz clock and fed the DAC with miniSTREAMER. Today I only checked with 1kHz and 10kHz sine and scope (signals look really good!). Tommorow i'll do some more measurements with soundcard (FFT, THD,...) and more important some listening  Best regards, Daniel |
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7th March 2013, 08:17 PM
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#566 |
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Can you say Audio?
diyAudio Member
Join Date: Aug 2011
Location: Aliso Viejo, California
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That's awesome news Daniel, I'm excited to give it a spin!
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8th March 2013, 10:18 AM
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#567 |
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diyAudio Member
Join Date: Aug 2010
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ES9023 + JG Filter Buffer rocks
Just listened to some good music with my old Sennheiser headphones. The buffer drives them really good and the sound is awesome
No noise, great dynamics, bass is full and punchy, mids are airy and I really loved the highs - detailed and crisp but primarily sooo sweet and round (of course I am heavily biased ). This cheap DAC plus the Buffer is really good! A big thanks to Joachim for making this available!Best regards, Daniel |
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8th March 2013, 01:38 PM
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#568 |
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Can you say Audio?
diyAudio Member
Join Date: Aug 2011
Location: Aliso Viejo, California
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Daniel, I'm hoping you'll adjust the BOM to reflect the actual components used in your build. It's always nice to know what worked well.
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8th March 2013, 02:12 PM
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#570 |
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diyAudio Member
Join Date: Mar 2009
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Very good news !
What model is the headphone ? Nice that it drives a headphone direct. |
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