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Old 8th October 2015, 10:50 AM   #11
lemon is offline lemon  Greece
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Originally Posted by Originally Posted by lemon
How is the connectivity btw Direct Drive DSD and SO3?
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Originally Posted by acko View Post
Simply connect the DSD outputs from S03 to these DSD DAC modules
Thanks Acko for the answering.

I see that it uses the DSD1 & DSD2 for that purpose. In situation that these u.fl used by an allready dac, can we split the signal of these? One pair to dac and the other pair to Direct DSD? Is it practical?
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Old 8th October 2015, 01:16 PM   #12
stijn001 is offline stijn001  Netherlands
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The dc offset is there but nulled out by a servo so the outputs can be directly coupled...
I know these are personal choices, but if there is no getting around a DC offset a HQ traffo is no sin.
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Old 8th October 2015, 06:38 PM   #13
acko is offline acko  Australia
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You can connect the outputs to suitable trafos to cancel out any residual dc and provide isolation. In fact will be supplied without any output connectors mounted. This dc effect is only during track changes when the levels suddenly change but otherwise when music is already playing there are no problems. There is absolutely no background noise.
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Old 8th October 2015, 10:04 PM   #14
wlowes is offline wlowes  Canada
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Old 9th October 2015, 05:49 AM   #15
acko is offline acko  Australia
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Originally Posted by flocchini View Post
Ray

Thanks for the information - I have been also thinking about going the HQ direction. I currently use an older MacBook which would not serve to the conversion to DSD in real time. However the idea of remote strikes the appropriate cord. My main system is a quad core i7 iMac. Now I can research "remoteness"

Good luck on that amp !!!!

Best

Bob
Tried HQPlayer 3.10 (licensed version) on my core i7 MacPro running Win7 (dual boot). Transcoded 44.1k pcm right up to DSD512 (the maximum possible with Amanero). Did not break a sweat on the PC and sounded fantastic with this DSD DAC!

Unfortunately, HQPlayer (demo version) on OSX crashes!

Anyway, really happy with the results of the live transcoding.
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Old 9th October 2015, 06:17 AM   #16
acko is offline acko  Australia
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Prior to this I tried preconverted files using JRiver (to DSD128 max) but did not quite like the results compared to original PCM
HQPlayer sound is more full bodied and closer to the original PCM. Using defaults only but will play around with other settings soon
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Last edited by acko; 9th October 2015 at 06:19 AM.
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Old 9th October 2015, 08:00 AM   #17
acko is offline acko  Australia
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Originally Posted by lemon View Post
Thanks Acko for the answering.

I see that it uses the DSD1 & DSD2 for that purpose. In situation that these u.fl used by an allready dac, can we split the signal of these? One pair to dac and the other pair to Direct DSD? Is it practical?
Yes, you can do so to create a dual DAC setup, one for PCM and the other for DSD but you will need to figure out how to select the outputs accordingly
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Old 9th October 2015, 08:23 AM   #18
flowerpot is offline flowerpot  Singapore
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Is J6 an alternate input to the u.fl? One can have a balanced output using 2 boards using the same dsd input but with one input inverted...
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Old 9th October 2015, 08:46 AM   #19
acko is offline acko  Australia
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Is J6 an alternate input to the u.fl? One can have a balanced output using 2 boards using the same dsd input but with one input inverted...
Yes, J6 is a header input option
Board already has fully balanced outputs at J1.
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Old 9th October 2015, 08:55 AM   #20
flowerpot is offline flowerpot  Singapore
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Yes, J6 is a header input option
Board already has fully balanced outputs at J1.
Thats great, that will make things simpler.
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