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FX-Audio DAC-X6 2016 Release; potential sub-$100 king?
Dec 15, 2018 at 12:05 PM Post #196 of 227
Riversalt said:
Friends.
I came here to share with you my findings to improve the sound of the DAC-x6.
Firstly, I must inform you that several units of the dac-x6 are coming from the factory with the defective P10 adapter, it makes the sound sound bad and with the bass loss, I changed my P10 adapter to another better one and woooo !!! Better and better definition before I forget I also connected the 12V 1A power supply to another better 2.5A quality 12v which was the best thing I did the DAC-x6 is another dac now sounding much better.
Sorry for my bad English. I'm from Brazil.
Then post some photos.
Thank you


Click to expand...
Thank you for this clearly explained post. :)
 
Dec 15, 2018 at 12:09 PM Post #197 of 227
I got my self a DAC-X6 to power the HD6XX and i have powered it with a 12V 3A power supply. It sounds fantastic even though i don't have much to compare it with. I have a problem of getting it to work with my Xiaomi Mobile phone (model Redmi 5AI Dual cam) on OTG to USB mode. Does anyone have similar issues? it simply doesn't work. All the other mobile phones in my home works flawlessly. It works perfectly with PC too.
 
Dec 15, 2018 at 12:27 PM Post #198 of 227
bravomail said:
Hi everyone.
I bought cheap 12V 4/5/6A power supply - 7.50 on amazon. I used it to power my FX Audio X6 DAC/Amp. It works perfectly. Now I can power some better headphones like AKG K7XX.
Also better power comes thru line out to power subwoofer and speaker amp.
Click to expand...
Does it really improve the sound? I am using DAC-X6 to power the HD-6XX. I also replaced the stock power supply with something i had. It is also 12V 3A power supply. If i upgrade to a better laptop like power supply will it make a difference?
 
Feb 11, 2019 at 9:21 AM Post #199 of 227
Hello! Do you know if there are several versions of FX-Audio DAC-X6? I am going to buy one, but I have noticed some differences in internal construction. Take a look (bottom right corner):
1. https://ae01.alicdn.com/kf/HTB1Gm9VXjDuK1Rjy1zjq6zraFXah.jpg - this is mark as X6 2.0 (but sometimes offers of 2.0 include old(?) photo)
2. https://ae01.alicdn.com/kf/HTB1q7bRnHYI8KJjy0Faq6zAiVXaq.jpg

Do you know which one is newest and better version? I have found version from picture 2 10$ cheaper than 1 in Aliexpress but it does not have to mean that 1 is better and/or newer.
 
Feb 15, 2019 at 4:36 AM Post #200 of 227
Beyor said:
Hello! Do you know if there are several versions of FX-Audio DAC-X6? I am going to buy one, but I have noticed some differences in internal construction. Take a look (bottom right corner):
1. https://ae01.alicdn.com/kf/HTB1Gm9VXjDuK1Rjy1zjq6zraFXah.jpg - this is mark as X6 2.0 (but sometimes offers of 2.0 include old(?) photo)
2. https://ae01.alicdn.com/kf/HTB1q7bRnHYI8KJjy0Faq6zAiVXaq.jpg

Do you know which one is newest and better version? I have found version from picture 2 10$ cheaper than 1 in Aliexpress but it does not have to mean that 1 is better and/or newer.
Click to expand...

I checked mine, i have the version X6 2.0. One that you mention as #1.
 
Feb 16, 2019 at 3:47 AM Post #202 of 227
Beyor said:
Thanks, I've just ordered it.I have to buy better and stronger power supply than kit one. Do you know if it could be AC or only DC?
Click to expand...

I am using a 12V DC 3A power supply which came for a LED light kit. Now i only use it as a dac because i bought a little dot mk2 tube amplifier. It is a night and day like upgrade to HD6XX. Sounds much smoother and joy to listen to.
 
Mar 4, 2019 at 6:48 PM Post #204 of 227
I have just received X-6 but there is a problem. I have notice that there is missing element. There should be an output voltage regulator - but it is not there. As you can see there are solder points in the bottom but there is no regulator soldered.
1.jpg


That's how it should look like: https://ae01.alicdn.com/kf/HTB1Gm9VXjDuK1Rjy1zjq6zraFXah.jpg

UPDATE: Supplier claims that I have latest version and everything is OK.

I have bought heavy, expensive, high quality power supply 12V 3A and I can hear no difference compared to kit power supply.
 
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Mar 30, 2019 at 11:51 AM Post #205 of 227
These are the modifications I have made: all not-SMD capacitors has been changed to gold Nichicons (dedicated to audio); the same values with exception for 6 biggest which I have changed from 470 to 1000 uF. Do I hear the difference? I can not tell, because it is imposible to switch fastly from factory to modified one. But I did some measurements (by RightMark Audio) and it is clearly visible that interferences and distortions are much smaller now.

Links to photos:
1. https://i.ibb.co/ZzxXvHk/wz1.jpg
2. https://i.ibb.co/vj3m05J/wz2.jpg
3. https://i.ibb.co/vVtVLBD/wz3.jpg
4. https://i.ibb.co/ySqbDCQ/wz4.jpg
5. https://i.ibb.co/GW6ZnPV/wz5.jpg

What else? It is a myth that higher amperage affects the sound positively. But it does metter if you use impulse power supply (most popular) or transformator one witch is much better.
Connecting X6 via s/pdif gives better sound and much smaller interferences and distortions than USB.
 
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Aug 7, 2019 at 10:19 AM Post #207 of 227
I'm looking for help trying to save this from the trashcan. My headphone socket started going bad (channel imbalance/losing audio from 1 side, etc). When I pressed on the jack while in the DAC-X6 it would temporarily fix the problem, so I figured I would attempt to un-solder the old 6.5mm socket and order a new one. What happened was the solder pads pulled off the board and now I can't find all solder points to fix the socket. It seems I was able to find Ground and either Left or Right. But for the replacement 6.5mm socket I need all 3 locations since it's a stereo socket. I would like to try and save the board instead of trashing it and buying a new device. Hoping someone can help.

dI9sc1e.jpg


nmQ0d88.jpg


OTkRB4K.jpg
 
Aug 8, 2019 at 12:27 PM Post #208 of 227
Shine strong light on that and do your best to follow the traces to figure out how to repair it.
 
Aug 8, 2019 at 12:29 PM Post #209 of 227
Beyor said:
I have just received X-6 but there is a problem. I have notice that there is missing element. There should be an output voltage regulator - but it is not there. As you can see there are solder points in the bottom but there is no regulator soldered.
1.jpg


That's how it should look like: https://ae01.alicdn.com/kf/HTB1Gm9VXjDuK1Rjy1zjq6zraFXah.jpg

UPDATE: Supplier claims that I have latest version and everything is OK.

I have bought heavy, expensive, high quality power supply 12V 3A and I can hear no difference compared to kit power supply.
Click to expand...
Not a regulator but a variable resistor. Regulators look very different, look at U7 (the ubiquitous LM317) and U17 (the also common AMS1117) as examples.
 
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Aug 8, 2019 at 2:33 PM Post #210 of 227
Hello Syn80,

I got exactly the same issue that you got since the very beginning.

Did you figured out how to solve this issue.
Where did you buy the new Jack socket and what is the reference ?

Thanks in advance for your help and inputs.

Regards
Cedric
 
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