Thoughts on the 1.1 upgrade foam. IMO, YMMV and all that…
I've been listening to the 1.1 upgrade foam for the last day and I'm never going back to the original 1.0. To me the ETHER C always had great resolution and timing but it always felt like there was something missing, like they had been slightly muffled despite the overall clarity and rather neutral frequency response. Because of this they have been mostly in a corner of my room looking (very) pretty. Well, with the 1.1 foam that muffler (one white felt pad at the driver) has been removed. Now the ETHER C is the headphone I expected when I first purchased it and it can finally replace my LCD-XC.
The largest difference I hear is the way the notes fall off. With 1.0 the notes seemed to abruptly stop and there was less of a natural decay making the overall sound more dry. Now with 1.1 the notes have room to breathe, room to decay, and it makes the music sound much more musical with better timbre. The bass isn't magically elevated and the treble isn't dramatically changed (although clarity is, if that makes sense). What has happened, to my ears, is that it has better focus and the drivers can now be allowed to portray themselves better. This benefits the bass with more texture adding to a sense of impact and benefits the treble with more detail. Extension on both ends feels better and imaging now has more subtle cues needed for better instrument placement. I feel the ETHER drivers are very capable and the 1.1 upgrade foam allows them to show off a little better IMO. Gotta love that unicorn hair woven in.
I initially had settled on one black tuning pad with the 1.0 to try to help with 'musicality', but have since removed the black tuning pad with 1.1. The black tuning pad did indeed make the sound slightly warmer with 1.1 as well and I may just use them again if the mood calls for it, but I'm loving the presentation with no tuning pads on 1.1. Again, highlighting just how easy Dan has made it for users to adjust the ETHER C to their preferences, or source gear.
I'm listening with the X5 coaxial out to the DAC-19 feeding the Liquid Carbon balanced output to the ETHER C... Bliss. I find the ETHER C to be rather revealing of the audio chain so the tuning pads are great for matching synergy as well. Thanks Dan!
Edit: Removal of the ear pads was extremely simple, as was putting them back on.