Ayre Codex

[Cygnusx]

Saving up a pretty coin for this. I'm more of a headphone guy versus speaker for the time being, and I'm wondering if anyone here has listened to the Grado GS1000/GS2000 headphones with the Codex.

I listen to the Codex with a set of Grado GH1. Originally, I was listening to the HPs single ended but recently had them modded to be balanced. The HPs sound significantly better in balance mode. I'm very happy with the sound. In balance mode the sound becomes about 20% louder that's my guess. The lows become tighter and the highs become clearer. The mids seem to be about the same, which is very good with Grados

[Cygnusx]

I'm on r1.3 as well.  I know that there are some r1.2 out there.  I'm not sure, if the newer Codex DAC has a newer firmware version update.  I'm running fully balance now playing through an Ayre AX5/20 amp and Vandersteen Treo CT speakers...all AQ cables.   After upgrading my system, I noticed that the high end and low end didn't sound right so on the advice of my audio dealer, I replaced the Pangea power cable I have been using for over a year with the stock power cable and the DAC came back alive.  It may have been because my new amp/speakers are much transparent and revealing than my old system.  In any case, if you've changed your equipment, I suggest you go back to using the stock cable every so often.  I'm no longer a believer in power cable upgrades.  I sold all my all cables and is using the stock across the board.   Very happy with the sound.  I would rather have cleaner power into my house.