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I will check the one of mine this evening..

Can't be some powerful cleaning product used by you wife? :D

Hi, I find crazy to add distortion to a perfect class D amp

Hi Timo I purchased my EVAL1 in Giune In my case they replaced the EVAL1 board (stereo input buffer), I know because the s/n changed, I'm pretty sure the problem was well known, the first thing they asked me by email was this s/n I am also sure that the current EVAL1 does not have any issue...

Hi guys I want to share this experience with PURIFI technical support, as I wrote on this same thread a few weeks ago, my PURIFI Eval1 Kit has always had the problem of a frequent BUMP on power up (more than a BUMP it was a SHOT!) , I decided to write both to Soundimports support (from which I...

Yes Tom, it is exactly what I do but I pretty sure the bump occur also without any source connected This guardian-86 seem interesting, unfortunately I am using EVAL1 build-in soldered speaker connectors, use this Guardian-86 will require som work (I see these board need power supply.. do you...

Hi all I have a PURIFI EVAL1 kit build using Ghentaudio case and cables, it is very good apart for the fact very often I have a BUMP (sometime very loud) into the speakers when I switch on (take into account my dog is worried as soon he understands I am going to switch the amp on! :D ). Tho...

Hi all My can someone explain me if it is normal my eval1 S1 switch is not working? I cannot put in standby the amplifier

Yes, it seem

Great Mio About preamp I am very satisfied of my Topping Pre 90, it works well with X16 regards

Great job Mio!! Do you agree that it is a very satisfying operation?? Now you have a perfect X16! my compliments! regards

After programming you just push it again, it is easy

Hi Just pull the ribbon, you cannot live it connected

Hi I opened it a couple of time without too much issues, there was some strong screw somewhere, I did not find any critical issue opening, if I remember well was not required to unscrew some connectors (may be the optical input, sorry i am out now..) somewhere in this forum you can find my...

Hi in my opinion it should work, I was able to flash using a cp2021 programmer, remember the trick of disconnect and reconnect the 5v pin otherwise the flash process will not start let me know

Fix this issue Hi, fix this issue is not so hard, in this thread there are a lot of istructions Regards

Hi In my opinion your x16 has an hardware issue, send it back to the supplier Regards

Just go to Amazon and search for "CH340G programmer" (this is the one used by GUSTARD), by the way I used a CP2102 based programmer with success (they will cost few dollars)

In fact Gustard should update the instructions, the serial communication starts only when voltage is applied to the board, so it is necessary to disconnect and reconnect the +5V pin

Let us know!!