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Sennheiser HD820

Discussion in 'Headphones (full-size)' started by Dulalala, Apr 29, 2017.
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  1. Maelob
    I totally understand the chasing of “better”. But in my case the more I get into “totl” territory the less satisfying the gains. I sold my Alpha Primes which I loved chasing “better” and ended up with something that I didn’t like. I finally acquired the Z1r that I love- and I am totally satisfied. For open I just got the Abbys Diana wondering about what I was missing and the “better” and they are spectacular but to be honest I am totally content with the Z1r complemented with the Senn 58x (150d). So no keeping Diana too long.So now that I know what better is, the more I appreciate what I have and now I am not wondering what I am missing anymore. But like I said before we are all maniacs here so by all means keep searching. I will probably do the same in a few months LOL
    Last edited: Sep 10, 2018
  2. Beagle
    I find the "soundstage" ( I like to call accuracy of imaging) very open on the 820, which is remarkable for a closed. There is a bit of center fill due to the upper bass presence, but there are not the usual side-to-side boundaries that with closed headphones are normally a given. A reasonably balanced open headphone with perfectly matched drivers that places the drivers away from the ears should reproduce an accurate soundstage (recording dependent).
  3. soullinker20
    wow i really do like Abyss Diana. still waiting to hear 820 as well. I'm sure i'll like them. that "better" chasing is never ending
    maybe the only way sometimes is to tell ourselves to be satisfied to stop our wallet from hurting too. 820 could be and hopefully be my end game closed back. I didnt like z1r for me. Recently I just had the oppo PM3 which is a very very impressive closed planar for its price.

    Im excited to compare 820 with Utopia as well, but I guess soundstage wont be an issue. I'd pick Diana over utopia in my case.
    Last edited: Sep 10, 2018
  4. money4me247 Contributor
    I am using the Mjolnir 2 with solid state tubes. Tube amplifiers make the Utopia sound too warm for my tastes. I agree the sound stage of the Utopia is not very impressive & I definitely get that in-my-head feeling when comparing the Utopia to other open headphones. And prior to running direct side-by-side comparisons, I would have echoed your sentiment about the Utopia & HD820 as my expectation was that either the HD820 would sound more spacious than the Utopia or it would be difficult to tell the difference. So when I listen to the HD820 alone, I am impressed for how open it sounds for a closed headphone. Compared to the usual mid-tier closed headphones, I can definitely tell the improvement in overall soundstage & openess. When I listen to the Utopia alone, I feel like the sound stage does not appear very impressive for an open headphone. However, when I compare the HD820 directly against an open headphone, I feel like there are definitely audio cues that give away the HD820 is closed. Even with an open headphone that I personally feel gives a smaller room size like the Utopia. When I swap between the two headphones in direct comparison, the room definitely feels smaller & more closed in than HD820 compared to the Utopia. Especially when I rapidly switch back-and-forth between the headphones, the effect is most jarring & prominent. I am a bit annoying with the amount of direct A-B testing that I like to do before I really feel comfortable voicing an opinion, especially something like this which ran counter to my initial expectations. So those are my personal experiences, but it is definitely possible that you have a different experience in direct comparison. That is why I am curious which testing track you used so I can see if I can replicate the results, or maybe we just hear differently.

    Beyond the fact that the HD820 is actually closed, I think there may be some additional reasons for my impression. First, the HD820's bass tuning specifically & elevated bass quantity. If they downplayed the bass quantity, the HD820 would appear more spacious, but I think the overall tuning and balance of the HD820 is quite pleasing, so I am not sure if that would even be in the right direction. They did do an interesting tuning adjustment where the upper bass and lower mids appear a bit toned down, so the bass stays quite tight and the overall sound is not overtly warm but still have bass emphasis. Also their treble tuning overall very balanced and smooth with minimal peaks or valleys to my ears but less emphasized compared to the bass. No extra emphasis on the upper octaves that can give an artificially airier sound but tuning choice avoids sound becoming too piercing. The HD820 is definitely never overtly piercing to me. A bit surprising Sennheiser is moving a bit away from their original brighter HD800 sound signature, but not unreasonable as that sound signature could be a bit polarizing. I think the HD820's overall tuning is safer than the original HD800. (I do personally prefer the HD800S over both the HD800 and the HD820 overall sound signature). Also it does seem like the HD820's upper midrange was cut down a bit, which improves overall treble clarity, but also affects the presence range to me so also gives the sense of a bit disjointedness and the relative positioning of treble instruments appears a bit too far off while the lower end feels much closer in a tighter box. Ends up with a bit of an closer echo-y feel that makes the room seem smaller. And this is not even talking about the subtle differences in the way the bass reverberates and the way the bass and treble does not naturally diffuse across to the other ear which is inherent in closed designs.

    That being said, the HD820 definitely has impressive overall sound stage for a closed headphone. If someone ran direct comparisons & concluded that the HD820 has the best sound stage out of all closed headphones, I would not be surprised, but I do feel I have heard other closed headphones with close to this degree of spaciousness where I may even fool myself into thinking it may be an open headphone. But at the end of the day, when I run the direct comparisons, there are still certain characteristics that make the HD820 sound closed relatively to an open headphone. The HD820 would not be mistaken for loudspeakers for example, and I would not expect them to be. But there are definitely open headphones that can get me very close to that illusion.

    The HD820 does have top-tier instrument separation, imaging, and positional cues. And its sound stage is definitely impressive overall for a pair of headphones and the HD820 definitely gives a great attempt at masking the fact that it is a closed headphone. But I do personally think it is a bit of an exaggeration/wishful thinking if saying that its sound stage sounds as spacious as an open headphone. That being said, its sound stage & sense of space is good. I do not think that anyone listening to the HD820 will find it lacking in those areas. Just in relative comparison to an open headphone, it does not sound as open to me. To be honest, if you hear it differently, I wouldn't want to get into an argument over it and I don't doubt the accuracy of your impressions. I guess I would just be a bit jealous as the dream is a closed headphone indistinguishable from an open headphone, am I right?

    I do agree that the HD820 images very well and is accurate with positional cues. I also don't think that the HD820 is lacking regarding its sense of overall spaciousness or size of its sound stage, and I do fully agree that the source material plays a huge factor in positional cues and sound stage impressions. I think live recordings or classic music is typically the best for testing sound stage.

    your comment on the bass is quite interesting to me, I do think that some of the smaller room feeling is related to the bass, but I feel like the HD820 is missing a bit of upper bass presence compared to the overall prominence of its bass emphasis which leads a bit to a disconnected sense from the mid, not in an entirely bad way, but just that the bass and mid-range feels very separated. this definitely also helps prevent muddiness in the sound signature. to my ears, the HD820 sounds to be more mid-bass focused than anything else. I don't get the extra visceral slam and rumble that a sub-bass focused lower frequency response nor do I get the warmth and richness of an upper bass focused lower frequency response. there is a relatively heavy bass quantity for the sound signature but does not have that warmth and fullness underlying voices. The bass does become very nicely tight with this tuning for the amount of bass quantity & amount of emphasis there.

    Another subtle thing took me a while to adjust to is that I do feel like the bass, mid, and treble feel a bit disjointed to me (but not so much in a negative/flawed way), just the only way I can think of describing it right now. It almost feels like the upper-bass/lower mid and upper mids/lower treble were toned down a bit to give a separate defined bass vs separate defined mid vs separate defined treble. A bit of a of a "nnn" type sound signature almost where the mid-bass and middle of the midrange is a bit more emphasized. after a bit of a dip, then around 4khz and above the treble sounds extremely smooth to me, almost un-sennheiser-like not to have some sort of more prominent peak there for extra definition or airiness. lol.

    I think at the end of the day, the HD820 definitely sounds like a flagship, regardless of form factor. Just not sure if it is the right headphones for me personally.
    up late likes this.
  5. harmony1992
    Very keen to see how different it will be from the HD800S and hd800
  6. QueueCumber
    I’m definitely getting the separation between lower bass and mid bass. For me it’s most pronounced when instruments are singular and panned to the extreme, and the bottom half is spatially disconnected and further towards the back of my head and towards the edge of the soundstage versus the mid bass. Soundstage doesn’t sound smaller than the Utopia for me though, at least width-wise. Spatial cues for me are wide and expansive. Wider than the Utopia and the 009S to my ears. I guess one song I can think of off the top of my head is Sisters by Steve Vai, and the album Dave Brubeck Quartet’s Take Five.
    Last edited: Sep 11, 2018
  7. Doctordoom16
    Well said. That is why I love them. If I could find the opportunity to listen to the 800s I would and it would save me a tone of money .but I need a closed for the reasons you mentioned .I'll keep looking for even better but for now I'm enjoying them .
    QueueCumber likes this.
  8. Beagle
    I think of midbass as around 60-100hZ (low would be 30-50 for me) so the dip in lower midrange makes the bass between, say, 150 and 200hZ stick out a bit on its own. At least, it's what I hear "first" but yeah, the rest of the bass would have to be somewhat prominent as well. Again, and this is the key, I find this dependent on how tight a seal one manages to get...the tighter the seal, the more blurry and indistinct the bass becomes. If you are getting just a "sitting" seal (like the pads are just resting, not really clamping), then I find the overall sound falrly well balanced and maybe even a bit bass light. This of course would depend on the size of ones head and positioning. Which brings up my original point from way bay when about how the 820 is going to sound different to different people.

    . Agree. It does not have that usual German Sennheiser/AKG top end. There is almost a warmth to it. I find it easier to adapt and live with a W-shaped sig than a straight U. At least you can get something comfortable with volume level.
  9. raypin
    Mm...perhaps overlooked is another major reason to get the 820 is its closed-back use: for traveling and extended vacations abroad. Think airports, hotels, cruising, office use etc. Paired with the Chord Hugo 2 or similar, the light weight and very comfortable 820 becomes very useful under for those scenarios. Home use is secondary, not meant to replace a totl open back (I still very much prefer open backed).

    So, instead of settling with a second rate closed back, the 820 should be on everyone’s short list.
  10. Rowethren
    To be honest I have never found a closed back headphone that actual blocked enough sound to warrant their use in places like an airport, certainly not public transport. They let through so much sound it defeats the point in having expensive high fidelity headphone.

    IMHO IEMs or ANC are the only real options but there aren't really any high end ANC headphones so I guess that just leaves IEMs. This comes from someone who used Beyerdynamic DT770 out and about for many years and they block more sound than most.
  11. Dobrescu George

    1. You listen really quiet. In this case, nothing can really help

    2. You haven't tried something that isolates really well, like Ultrasone signautre DXP :)
  12. raypin
    Mm...premium airport lounges are ideal (or close to ideal). That’s where I listen to my closed-backs while awaiting departure or during lengthy stopovers. Public transport like the quiet bullet trains are also ideal (or close to ideal) for closed-back listening.

    I’ve tested the 820 while malling and sound isolation is good enough (certainly much better than the 800 or 800s). In my quiet office, it works out for me...brilliantly. Great stress manager.
    Last edited: Sep 12, 2018
  13. Rowethren
    That's the thing, I do listen quiet because I don't want to ruin my hearing. If I have to turn up the volume to drown out background sound then that seems rather redundant to me.

    I can see them being okay in some of those situations but certainly from my experience these are very much the minority of places, my office is always very loud unfortunately and none of the trains I use ever have quite carriages and even the sound of the train is loud enough to drown out the detail in music with over ear headphones. The London Underground for example goes up to 110dB in one place and frequently up to 85dB which is pretty damn loud.

    If over ears work for you then fine but I think I will stick with my K10 CIEMs... World would be a boring place if everyone liked the same thing :beerchug:
  14. raypin
    Mm...that is why I also bring with me my Empire Ears Zeus XIV R ciem, along with the 820, for really noisy places like subways and crowded restaurants. You really can have it all and not settle with inferior headphones or in-ears.
    Last edited: Sep 13, 2018
  15. hackstu
    I've noticed that people are receiving their HD 820's with red warning stickers on the Gorilla Glass, mine didn't have any stickers on them does somebody know why?
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