Sound Impressions

(Core Setup – ALO Audio Studio 6 and a combination of the NuPrime DAC-10 or the Continental Dual Mono for DAC duties, source material was 320k MP3, FLAC, DSD64 and DSD128 via JRiver Media Player/ASIO and Foobar WASAPI Push).

Tonality

Hooked up to an ALO Audio Studio 6 tube amp and any number of good DAC combinations, such as the NuPrime DAC-10 and its ESS chip setup or the CDM from ALO Audio and its Wolfson implementation, the sound from the HE1000 is spectacular but varied. This is a tonality that at its best flows effortlessly with bags of power and an almost bottomless depth to that bass extension. I was expecting open sure but not this revealing and spacious. It is very rare indeed you get a combination of this level of detail yet retain a high degree of musicality. The tone is very organic and natural, especially with tube amps. The bonus of using the Studio 6 is that actually has a tighter more defined bottom end with the stock tubes, more so than regular tube amps which convey a traditional softer tube amp sound. A hint of solid state in many ways which the HE1000 laps right up to produce possibly the best distortion free bottom ends I have heard in years.

Complimentary Tones

It is also the most refined of the Hifiman range I have heard to date and also easily the most resolving. That combination of detail and balance and a hint of sub-bass warmth, especially when combined makes the HE1000 a far more natural sounding experience than the pinpoint analytical detail king, the HD800. For me it doesn’t quite overpower the HD800 in terms of imaging, soundstage width and pin point detail retrieval but it is a far more engaging with an instrumental timbre that I just find to be easily the more pleasing of the two. There will be some die hard HD800 fans that I cannot see dumping their precious for the HE1000 but for those with room to spare I actually think both complement each other nicely at the flagship table.

Speed

Do not be fooled by the words smooth, natural and flowing – this is no audio equivalent of a slow moving cruise ship. The HE1000 technically has a very responsive and speedy signature. There are no overly lengthy decay traits or overly rounded attacks in the HE1000’s signature. If you feed it metal it will keep up and give you a very precise reproduction from double kick drums to complex shredding solos. If you feed it acoustics it can slow it down yet reproduce a very convincing sense of space and layering without ever sounding too dry or thin. This combination of control and musicality, for me, is what makes the tonality of the HE1000 very special indeed.

Bass

This is perhaps the most impressive aspect of the HE1000 for me. The HE1k’s bass extends incredibly deep. I remember the first time when I popped on the LCD-2 v1 in 2011 and listening to Mediæval Bæbes out of a Lehmann amp and my jaw dropped at how authoritative the sub-bass was and until now that has been my benchmark on sub-bass performance. The HE1000 eclipses the Audeze sub-bass reach by some margin and extends way beyond the HE6 also for that matter.

The difference though comes in the impact and tonality of the bass performance between the two. The HE1000 bass on the whole is relatively neutral with a hint of warmth and linear in performance. You will not find any mid-bass elevation or exaggeration in the curve, it is almost straight line from 20-200hz with the mid-range showing no noticeable recession beyond up until 1k. It really is that well behaved and balanced. I did say almost because right at the bottom, say 20-30hz there is the tiniest bit of elevation rather than rolled off and that makes a wonderful difference for me in the performance of the sub-bass giving the HE1000 a strong sense of heft right at the bottom where, for me, few headphones can go.

If anything you are going to “feel” this sub-bass as much as you will hear it. I remember my old ASW1000 sub from B&W (back as it was then and not Bowers & Wilkins) having that same effect. I had previous subs in my own home setup that gave me bass noise but nothing with a level of reach that not only gave me a proper sub bass performance but at the same time allowed me to tweak my speaker setup to really focus a lot more on mids and upwards. Gone was the mush and the compromise with the ASW1k. The HE1k evokes that very same feeling I got with my home setup in terms of bass performance.


Having said that the bass presented by the HE1k, vast it may be it is not equally so in impact. I did mention linear in that respect and that includes little or no coloration meaning you will not get any artificial bumps on the way up. Those looking for bite or something more visceral and migrating from say the HE6 might be left a little wanting in that respect. Those hoping for an ocean of air being pushed in at mid bass will also be left a little wanting also. The HE1k bass is simply not presented in that fashion for me. Its tight possessing oodles of sub-bass texture and incredibly life like sounding.

Grab “Ecce Chorus Virginum” by the Mediæval Bæbes for a really good example of how the HE1k bass responds. Right throughout there is a slow paced bass drum underlying accompanying acoustic guitars and lead female vocals which are rather complex and ethereal in nature. It shouldn’t overwhelm but at the same time give a very strong sense of depth. The HE1000 delivers an incredibly low distortion free response on this track that clearly reproduces that bass drum as tight and deep as can be. The ability to define this drum and give it such gravitas without overwhelming the rest of the instruments is fantastic.

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Mids

The mid-section of the HE1000 has a tiny dip post 1k to around 3k then it comes forward again from 4-7k into the upper mids and lower treble. I wouldn’t term the mids though as sounding recessed just not as forward or intimate in the lower range but possessing a very good vocal presence and an increased level of perceived energy in the upper mids. It is perhaps that very slight dip in the lower mids that make the vocals stand out that bit more. Instrumental spacing and timbre is excellent though, very natural and life like in quality and articulation. Micro detail and clarity is excellent, especially on crunching rhythm and bass guitar work which has suitable weight and speed.

Vocals are wonderfully expressive and free of grain or sibilance though I wouldn’t term the HE1000 as an intimate headphone for vocals. Challenging breathy vocal sets from the like of Buika and Laura Mvula, which can shoot out nasty sibilant trails with other brighter or harsher headphones, are perfectly balanced and natural on the HE1000. Male soulful vocals such as Legend are on song for me. “This Time” from Legend’s Evolver is beautifully presented and never once sounds lost or way back in the mix. The HE1000 really excels with that type of vocal that is thick, throaty or husky that lingers or whispers.

Perhaps my favorite experience with the HE1000 midrange and vocal performance has been with atmospheric recordings and Enya in particular. It is an excellent example of the how to control ethereal delicate vocals in a very natural manner with a huge soundstage backdrop and a big orchestral backdrop. Enya’s “May It Be” from The Lord of the Rings Trilogy is my ‘nailed on favorite’ for emotive listening with the HE1000. Vocals positively soar without a hint of harshness in sight sounding incredibly fluid and detailed.

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Treble

The treble performance of the HE1000 is perhaps where I met most of my challenges both good and not so good and it is all to do with the slight peak at the 7k level. Outside of that the treble performance is excellent, articulate and very incredibly detailed.

Ultimately I found my amp and DAC synergy to be one of the major factors in controlling this peak and allowing the HE1000 to play to its strengths rather than showcase any slight weakness it had in the treble performance. Tubes worked better than solid state unless the solid state was inherently warm and rich to begin with. ESS equipped DAC’s brought a much higher level of resolution and clarity with the HE1000 treble but at the cost of a bit too much shine when things got energetic.

It was the smaller CDM from ALO Audio and its tube buffer and WM8741 implementation that brought a much smoother and musical top end to the HE1k. Not just with the Studio 6 but also the EF6 and Mjolnir amps. With this combination I got great detail but a calmer water even when things got energetic. It was only my CDM/Bakoon HPA-01M pairing that I also got fairly satisfying results in treble performance with metal genres though everything sounded a lot drier in doing so.

The second major factor, and something which I think plays a role in understanding how the treble might play out on a personal level is genre selection itself (combined with DAC and amp synergy). I noticed quite a varying degree of commentary on the HE1000 peak, some barely noticing it and some making it a standout weakness and after testing differing genres I actually felt both are right. With slower paced genres, where vocals or midrange performances take center stage and a bit of top energy is taken out the HE1000 treble is beautiful. High notes are crystal clear and very well extended and its neither too harsh or overly bright. In this context the 7k peak works to its favor helping to present a very airy and balanced tone with good headroom and a nice snap to percussion work.

However, load up the top end with high energy rock, metal and other sonic assaults where hi hats and cymbals go into overdrive or synth work is extremely high pitched then the treble starts to get a bit sharp at the 7k to the point where it is much less natural and forgiving. If anything it gave the impression that the HE1000 was not a headphone for high energy melodic rock or anything that taps that range too hard. Rather the HE1000 treble seems to be much more at home with sparser arrangements that requires a subtler presentation.

Sting, Krall, Chesky, Enya, Richter, Adele, Obel, Brun, Legend, Buika, Govan and Terry Clarke – these are some of the names that are doing it for me with the HE1000 treble for the majority of the system choices I threw at it. I can stretch to the likes of Crucified Barbara and Five Finger Death Punch handily with the Bakoon HPA01M though with a slight EQ tweak on that 7k because of that excellent bass depth and spacious and natural midrange lending itself well to rhythm guitar work. Sorry but Death Magnetic just didn’t work for me despite the unbelievable speed and clarity, just too sharp and peaky with Lar’s high energy cymbal work and dry production values.

Page 3: For Matching & Comparisons

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5 Responses

  1. GrizzlybEast

    you can’t hear deeper than an he-6 so what do you mean by wayyy deeper?

    Reply
    • headfonics

      THanks for the question – not sure if you mean HE6 is the bottom line for bass extension, thats debateable and certainly it has great extension but for me the HE1000 extends much deeper into the sub-bass region and has a stronger presence down there also.

      Reply
      • GrizzlybEast

        Thats not true… they measure the same exactly for bass extension and only roll off at 10hz. You can’t hear past 20 so any information below that is only felt its inaudible. The he1000 can’t possibly extend deeper. It can have more presence in an area but thats not “digging” deeper.

        Its cool though… I understand what you mean now.

      • headfonics

        I believe your regurgitation regarding “having more presence” was already made in my comments I made some moments ago yes? The point of deeper is not an objective pinpoint on a FR chart to say oh look this one goes to 11 and this one goes to 10 (Bravo Tufnal) the point of deeper is a play on semantics because that will be the audible effect of having more presence and a little up turn as you glide to 10 on the HE1k – you will feel like it goes deeper. It remarkably good fun switching from the HE6 to the HE1k over and over again for the 6 months just to enjoy two different but excellent bass responses.

        Don’t knock inaudible, by the way, bass is not always meant to be heard but it can also be felt – just ask Meghan Trainor.

    • headfonics

      Also my review stated this rather than “wayyy” –

      “Both headphones have good bass extension but the key difference here for me is the extension and sub bass of the HE1000 which goes that bit deeper and sounds fuller than the HE6 sub bass response. In return the HE6 bass response is bit more lively and impactful and lends itself better to harder hitting EDM than the HE1000 which sounds politer in comparison.”

      Reply

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