Will probably update this later.
Box
EDIT Update#1:
This is so weird.
My Nan-7 is actually slamming more out of the Gustard A22 dac than off the Dangerous Convert 2. And buy a big amount, actual bass fatiguing.
Both DACs are connected to a Bryston 3BST power amp w/ a passive preamp.
While it's the opposite on the HE6 6-SCREW. That sounds more dynamic and contrasting when chained off the Dangerous convert 2.
The Nan-7 is actually not polite sounding now when I am using my other DAC (Gustard A22 DAC).
Techs & Bass
Minimally warm/boxy. Flat bass and lower mids like most ToTL headphones in this area.
Not a lot of macro dynamics texture to that bass relative to my He6 6-screw; but not lacking bass either. There are lots of micro dynamics details; not much gets masked
Breaking ear pad seal on the Nan-7 does not increase bass like it does with the HE6..... But neither does it reduce bass. So similar to my HD800S in this behavior. In both seal and texture.
One more note, it has a very strong center image that feels natural. As in, it does not require a Crossfeed dsp in order to fix anything. No uncanny stereo feeling.
Pinna
Pinna is nuetral. Definitely has enough gain to keep the vocals forward and not miss out on the placement. But also it is not very shouty for female vocals though.
Treble
Presence-region has a lil crispiness but still not bright enough to make things like brass instruments to pop. But it does have a very good timbre for higher octave details for string instruments.
Pretty fatigue-less in the Treble. Not much emphasis for metallic-hits & energetic brass instruments or an airy last octave treble. Not going to have a gimmick of being hyper-engaging for late night listening. But neither is it rolled off. Like there is definitely some crispness to the playback.
Update Oct.20:
Nan-7 Nan7 Frequency Response Graph taken after the Subjective review earlier
FIT
Fit is great.
The leather strap does not touch the metal-headband. Clamp does not hurt for my head shape.
Yoke-rods tilt inwards like an Audeze headband.
Clamp is just right for my head shape. Nor is it so hard clamping that my ears touch anything inside the ear pad.
Notice the cable, itis tightly woven in fabric that makes it a little hard to use, but very easy to coil away. Similar to a hoodie's string or to a shoe-lace.
Earpad material is nice and soft. Fabric silky touch on the ear surface. And around that it's a leather like material.
Headphone earcup sockets use 3.5mm input Jack's.
Logo for the Nan-Z person on the side
Remainder of the pictures. Carbon fiber looking. Headphone does seem light weight. Seems to have sharp edges like the parts were stamped to produce the cut-outs.
It looks like carbon fiber, or it could be something like acetate wrapped. But one things for sure, it feels sturdy and light. And the cuts look like they are layered as if it's a multiple layerings.