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PostPosted: August 1st, 2016, 8:03 pm 
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Joined: February 28th, 2013, 1:19 pm
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True, but there is only one dual opamp, and the analog supply is dedicated to that opamp. So no problem in my case.

Btw, no problem using Daphile on my re-purposed Chromebox, up sampling to 176k/24 from 44k/16.

David


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PostPosted: August 1st, 2016, 9:34 pm 
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Joined: January 13th, 2016, 9:14 pm
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The dual power supplies for the opamps should be good to at least 1 amp of current, depending on the 24VAC CT transformer used. I am using the RS 25.2VAC CT @450mA and no problems. That should be fine for any dual opamp or Burson dual opamp module.


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PostPosted: August 6th, 2016, 9:37 pm 
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Just an update, I am very impressed with the sound streaming from my Daphile server. The sound is very relaxed and natural. I am up sampling to 24/176.4K, pre - processed and playing from RAM, so no I/O is occurring on the USB bus other than streaming.

Great DAC.

David


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PostPosted: August 6th, 2016, 9:56 pm 
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David,
Glad it is working out for your setup.

I have been listening to minimum phase filtered DAC's for 6+ years and very happy with their sound quality.

It makes me glad I finally found another minimum phase filter DAC as a next generation to the Wolfson Micro WM8741's. I really believe linear phase filters are why folks prefer analog to digital. Now that is no longer a problem with HiRez recordings and minimum phase filter DAC's.

An observation is this is probably why folks like NOS DAC's with no digital filter as well. No linear phase filters in the digital system for replay.


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PostPosted: September 9th, 2016, 10:58 am 
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HAL wrote:
Found the IC PC board.

Time to start building up the Burson opamp adaptor.


Ever get the Bursons running?

Roscoe

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I can explain it to you, but I can’t understand it for you.


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PostPosted: September 9th, 2016, 12:50 pm 
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No. Had another project take priority. Will get there hopefully after RMAF.


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