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SU0 xmos u8 dac + AK4490 questions
SU0 xmos u8 dac + AK4490 questions
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Old 9th November 2015, 01:34 AM   #21
integrin is offline integrin
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Join Date: Nov 2015
Quote:
Originally Posted by chchyong89 View Post
calm down. The isolation explanation is to address out what vacuphile questioning on the previous post.
No probs! Just vacuphile opinion exactly conforms with mine and i would appreciate any oscilloscope measurements on particular device (intermodulation distortion). I think everyone would be delighted to know about.
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Old 12th February 2016, 09:10 AM   #22
smithie is offline smithie  United Kingdom
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hi
im seriously looking at this unit in this thread and was wondering if someone can confirm if it will play 352khz files or if its limited to 192khz?
als im using a smsl m8 sabre 9018 dac at the moment and wondered if anyone had any idea how the sound of this unit would compare to the sabre dac....i know its a apple and oranges kinda thing,but one has to ask,doesnt one
many thanks
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Old 12th February 2016, 04:01 PM   #23
integrin is offline integrin
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I am also wondering if anyone had experience with 352 kHz or 386 KHz? As far as I know free drivers for AK4490 supports only 192 khz.
Well, it is hard to compare dacís chip alone, without taking into consideration schematics that chip leans on and cost of components. In particular case this AK4490-based dac completely corresponds to its price. Smsl m8 is 4 times more expensive.
In addition, have to say that my second dac is es9018 device, and his superiority over cheap AK4490 is not related only to 352 kHz 192 khz sampling frequency. Foobar2000 perfectly does down and oversampling.
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Old 12th February 2016, 07:20 PM   #24
smithie is offline smithie  United Kingdom
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hi intergrin
i have a smsl m8 and jriver so ive been listening to 384khz,dsd 1 and 2x.
dsd i can take or leave but im quite taken with the upsampling,so for the money i was looking at this dac to compare to the m8 sabre dac and hear which one i preferred as i had a ak dac afew years ago and enjoyed it,it would of been nice to compare the two at the higher sampling,but im with you in thinking that its only good to 192k,bit of a lost asset there as the usb and dac can do both!!
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Old 24th March 2016, 03:35 AM   #25
cph2000 is offline cph2000  Denmark
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How is volume control on headphone out done this device?

Anyone tried rolling the opamp on output or is stock good enough?
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Old 24th March 2016, 09:56 AM   #26
smithie is offline smithie  United Kingdom
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hi
cant give any infomation regarding the headphone jack as i never use headphones,infact ive desoldered the thing from the board to free up some space for larger caps that im fitting in.
i can confirm that it accepts and plays 382k up-sampled files,of course i have no way of knowing if its being down sampled by the dac once it recieves it....but hey,it all sounds awesome to me....everything is awesome
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Old 23rd April 2016, 06:34 PM   #27
cph2000 is offline cph2000  Denmark
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Can anyone comment on the headphone out?

How is volume adjusted, on the source or in the dac?
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Old 23rd April 2016, 07:38 PM   #28
cph2000 is offline cph2000  Denmark
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I would think xmos u8 should be able to do bit perfect audio, and control an i2c interface. ak4490 has 256 levels of attenuation when in pcm mode.
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Old 13th May 2016, 02:04 AM   #29
prerich is offline prerich  United States
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Can anyone tell me where the driver for this DAC is located?!!!! I need it badly!!!!!!!! All of the drivers give to me by the seller are horrible
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Old 29th September 2016, 05:29 AM   #30
felipeunix is offline felipeunix  Germany
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Where can I find the official drivers for this XMOS U8?
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