audio-talk

And....this is the other DAC. Some people might recognize this one from days gone by? Now in another iteration!

Update. Now re-cut the rear panel of my 2nd RTZ DAC to allow for the USB socket of the JLSounds. Also re-printed new sub-structures to hole the extra power supplies and reclocker board. https://i.ibb.co/YRZQ270/IMG-20240927-163254.jpg The main additions now are separate supplies for the JLSounds USB...

I can't even begin to imagine the machine that would place those, or even the packaging that they're supplied in!

Assuming this v11 works out ok I will send you a pcb Ray.

Well, moving on with this project I have now got to version 11 of the re-clocking board I am working on. Eleven revisions sounds like a lot (it is! Oops) but only 4 were constructed, the others are scrap. To give some idea: https://i.ibb.co/Kz8jDgK/IMG20240906175126.jpg and this is it lashed up into...

Well done Ray! That looks like a very nice "starter vinyl" system.

Working now!

In situ (temporarily) in the 2nd DAC case:



Not yet working, I seem to have a dry joint somewhere...

Close up:



24Mhz XO missing for now as Mouser have back-order.

Actually, the Spartan6 is the one part I don't use paste with. I find it is easier to use clear flux paste and then line up the chip, hold it down firmly and pin the corners with soldering iron. Then drag solder each side in turn. Finally microscope to check for bridges and use solder wick on them. ...

In an attempt to squeeze even more performance from the RTZ DAC I have been prototyping, with help from Mark over on DIYAudio ways to improve the clocking of the JLSounds / PCM2DSD / RTZ combo. Mark started a thread based around his design of a set of prototyping pcbs that allow for various building...

I am back to the first RTZ DAC again now. :P I just cannot leave well alone... Latest stage was to bring DAC1 up to the status of DAC2 regarding supplies and power distribution: https://i.ibb.co/M7QJGGz/IMG20240706184304.jpg https://i.ibb.co/XzfjzBX/IMG20240706184307.jpg Basically LDO regs / superre...

I'm not able to make it now unfortunately. Maybe next time. Have fun!

It is relatively close to me so I might drop by for a listen and a chat.

I've never actually attended one of these things so will be quite interesting. Also the main reason is to also meet old friends.

Since I've now handed over the latest RTZ build to Ian, my first task was to retro-fit the improved regulation to my 2nd RTZ DAC (the one I brought to Owston last year) https://i.ibb.co/hWLCghC/IMG-20240609-134031.jpg These LDOVR regulators proved themselves on Ian's DAC so I have upgraded my own DA...

OK, the DAC unit I am building for another member on this forum is almost ready for being packed up and shipped! https://i.ibb.co/NV3fYSf/IMG-20240601-174609.jpg All that you see on the black 3d printed sub-chassis is what is to be delivered, he will be using his own pre-regulators. I have yet to te...