I don't have an Extreme yet but after following this thread since Christmas, and contacting several kind folk here privately, I have just placed an order.
Like all hi-end gear, I consider these "extra bits" as simply fine tuning to one's own preference; if you care to experiment.
Thanks for being so generous and sharing your experience with the Extreme.
I was intrigued by one of your earlier comments;
" I was hearing much larger improvement with a single D2 Setchi applied to the USB port on my InnuOS Zenith SE and this may be due to the better anti-vibration...
I've read that Daizas should be used on a flat surface.
I have a very basic steel rack with MDF shelves.
They are supported in the corners by 4 small upside down spikes which can be adjusted to level the shelves.
Have you any customers with similar racks that have successfully used...
This was all along referenced to to cd played from a clocked via Esoteric G02, Cybershaft OP17, Quartzlock 10M and now Mutec Ref 10 op20 with previously DCS Pucinni and Esoteric K01 and K01x.
Tidal now does not lose or even sound better than playimg CD's.
I not longer have space for a cd...
Interesting reading about AG and noisy amps.
My father has AG Duos with tube amps so I know what you mean.
I use my Chord DAVE DAC (2W) to direct drive my Voxativ 9.87 (105dB) via the RCA output terminated with spades on the speaker end with good results. This is only possible because...
Which bass freq. did you have trouble eliminating with the QRD's and diaphragmatic absorbers?
Did you measure your room before and after applying the PSI AVVA's or did you do it just by ear?