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Old 21st September 2013, 06:42 PM   #9491
willamp is offline willamp  United States
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I wonder what it will take (and how long) to get someone to develop an audiophile version? I suspect the current one is not.
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Old 21st September 2013, 07:56 PM   #9492
RCruz is offline RCruz  Switzerland
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Very good presentation... maybe it can be made to sound good.... wish someone comes up with something similar but to improve vision.. I mean, some kind of electronic booster for the eyes... I am so tired of spectacles
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Old 26th September 2013, 07:09 PM   #9493
Joachim Gerhard is offline Joachim Gerhard  Germany
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Over the weekend Andrejs brought one of his crazy machines.
This time a music server and discrete DAC.
The server is build on an Intel Board and runs with a pre release of Maverick. The software player is the latest version of Amarra.
The server has 4 PSUs in the style of his Paradise regulators but without tubes. Great work on the layout, Alfred !
The DAC is from Russia and works with discrete precision resistors.
The speakers where Suesskind Dolmen with active M-Dipole woofers.
They sound we got was quite amazing. Different from what i heard from Digital before.
Great bass and separation, a lot of energy in the treble but without any harshness.
Attached Images
File Type: jpg Andrejs music computer 1a.jpg (442.2 KB, 304 views)
File Type: jpg Andrejs Music Computer 2a.jpg (495.1 KB, 299 views)
File Type: jpg Andrejs NOS discrete dac 1a.jpg (677.7 KB, 264 views)
File Type: jpg Andrejs Nos Dicrete DAC 3a.jpg (512.3 KB, 259 views)
File Type: jpg Dolmen 1a.jpg (281.2 KB, 257 views)
File Type: jpg Dolmen 2a.jpg (360.2 KB, 129 views)
File Type: jpg Dolmen3a.jpg (306.3 KB, 69 views)
File Type: jpg Dolmen 4a.jpg (316.2 KB, 389 views)
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Old 27th September 2013, 03:52 AM   #9494
Joachim Gerhard is offline Joachim Gerhard  Germany
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The FET (field effect transistor) - YouTube
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Old 27th September 2013, 08:02 AM   #9495
curryman is offline curryman  Germany
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Impressive! Another Discrete DAC: Total DAC
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Old 27th September 2013, 08:28 AM   #9496
Joachim Gerhard is offline Joachim Gerhard  Germany
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Yes, that comes in fashion now.
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Old 27th September 2013, 09:10 AM   #9497
RCruz is offline RCruz  Switzerland
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Quote:
Originally Posted by Joachim Gerhard View Post
Splendid presentation
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Old 27th September 2013, 09:26 AM   #9498
Bixbacon is offline Bixbacon  Australia
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I enjoy your presentation style very much. Thank you I will wait for me please
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Old 27th September 2013, 05:38 PM   #9499
MiiB is offline MiiB  Denmark
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DAC looks Nice, Mikkel talked about doing that, problem is timing issues and latency in the switches, I am quite sure resolution goes down, but random noise may be lower. (130 dB resolution/distortion seems academic anyway) Nice concept. question is what kind of switch to use and how to get the precision in the resistors. could be that they should be measured out and selected from a 1% bunch.
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Old 27th September 2013, 06:07 PM   #9500
Joachim Gerhard is offline Joachim Gerhard  Germany
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Andrejs said that 15 to 16 bit is the boundary. That has to do with the available precision of the resistors.
I think the switching can be solved.
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