Following is a collation of my first-day impressions of the Spark.
Following is a collation of my first-day impressions of the Spark.
All listening done on a Shanling M8.
TLDR: Epic grandeur, naturalness, balance, weight and clarity. Should be on the short list of anyone looking for a balanced sound with top tier technicalities and for whom DD timbre is not a necessity.
Quick glance:
+ punchy
+ dynamic
+ well balanced
+ mids and highs have a massive weighty vibrant and authoritative presence.
+ vivid, bodied, resonant highs
+ clear and natural sounding mid-range
+ Female vocals are seductive, sweet and hypnotic
+ massive engaging holographic stage
+ forward, present & even keeled mids
- Bass lacks the thickness and quantity some may require
- lack of DD timbre in the mids (this is really just a function of where I'm at personally-- DD mids are a must to sustain my attention and interest these days).
- The vocals are decent, especially female but after being spoiled by the Isa they don't completely hit the mark for me (though female vocals come very close)
- the mids are good, not synthetic sounding or anything like on something like the MEST-- but to my ears they lack the seductive naturalness of the Elysium or Isa.
Relative to what I've heard before I'm tempted to say they sound a little like a Solaris, with much better highs, more forward upper mids and the DD swapped out for BA for the bass, with similar quantity. Solaris achieved its holographic sound & spaciousness at least in part due to a recession in the upper mids-- Spark gets this same effect without a similar recession due to the weight & power brought to the fore by the e-stats. To my ears the Spark are a clear step up from the MEST ii and would probably sit in the vicinity of OG MEST and Solaris if I were forced to rank them based on what I've heard so far.
The true star of the show here imho are the e-stats. They didn't jump out at me right away, perhaps because I was more fixated on the vocal and instrumental timbre at first, but the more I listen to them the more I am aware of their subtle & profound effects. Compared to the gen 1 estats in Ely they seem to produce a sound that, while similar in speed and shimmer, excels them in note strength, weight, "3dness"-- the the sound is vivid, powerful, lifelike & present without ever being overly vibrant, smeared or tingy. Mid range timbre aside the Spark, with its well balanced mid-forawrd tuning, is almost akin to an Elysium "with its big boy pants on".
The layering, separation, pristine clarity, sense of air & space are all fantastic...surpassing what is possible using a DD for the lows & mids. In fact it's probably the only real advantage to not using a DD. Is the sacrifice worth it? On the whole for me...no. While I am loving the technical, precise, spacious and engaging sound...a bit of the romance is gone. There's something about a good DD tuning that just tugs at my heart in a way I've not yet really experienced with any IEM lacking a dynamic in there somewhere.
The two most prominent things on my IEM wishlist now are 1) a MKii Ely with these same e-stats and 2) an IEM tuned by Oriolus, Campfire Vision Ears-- with a DD doing the mids & lows and these e-stats doing the highs.
The tonal balance is fair. There is definitely a trend towards the mids and highs. Bass is nice, but cold use more weight and the upper mid region is forward and present without being too much. Sometimes I think it could use just a touch more bass but most of the time the muscularity and sure footed delicacy of the e-stat sound almost instantly makes me forget that thought...but it does persist somewhat.
Anyone who is in the market for a ~$2K hybrid and who doesn't need DD timbre anywhere should take a serious look at the Spark.
Sometimes I find myself almost wishing for a touch more bass oomph & rumble but I almost immediately find myself second guessing those thoughts for fear that the extra bass might interfere with the wonderful layering and staging. This one of the main things which drew a comparison with the Solaris in my mind. I often had thoughts like "this needs just a touch more bass but maybe not in case it ruins something else I love about the sound" with Solaris. The key to Solaris' sound is its reigned in bass...but the DD there gives it a weight and solidity that makes its presence known when the quantity is comparatively low.
If I were presently in the market for a DD-less IEM just to be able to experience the characteristic staging, clarity, cleanliness etc. found in BA/e-stats then the the Spark is currently at the top of my personal recs alongside the Andromeda, VE8 etc. The Spark also has shades of what I loved about the Anole VX when I owned it only without the VX's slight but consistent tendency towards over-vibrant upper mids.
These things are also sensitive AF-- like 10 clicks down from where I'd listen to Andro.