TheOneInYellow
1000+ Head-Fier
Mine 2015 version, but I got new cable with better fit.
Anyway, strange that in ACG mode so significant drop down in sound volume.
Well I'm not surprised by the volume reduction of balanced ACG mode, as only one of the two amps is used for L & R, whilst the other amp is used for ground only. The DAC's are for each channel as usual balanced.
It's an odd, but definitely sonically superior, balanced topology over BTL, to me anyway.
Regarding the 2015 and 2016 Audeze EL-8, I refer you to this topic.
If you wanted to, contact Audeze and what the fee is for an upgrade.
It's been almost universally accepted that the changes are positive. I would go so far as saying the new 2016 EL-8 are new headphones sonically.
(I've owned both 2015 EL-8 CB, which was replaced by Audeze to EL-8 Ti. The Titanium version is exactly the same as 2016 EL-8 CB).