The HD800 & HD800S thread

Discussion in 'Headphones' started by sorrodje, Oct 11, 2015.

  1. Vtory

    Vtory Illogical Spock

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    Agreed. It seems preliminary measurements taken by Jude (based on the graphing formats, measuring rigs, etc) but he hasn't posted any youtube yet and kept silent in HF thread (initiated by Senn MOT), too. Maybe they're having some schedule conflict in reviewing Jude's advertisement material on Senn side? IDK

    Interestingly Drop initially posted both Gras and B&K measurements, then took out gras ones a little later. I see that as some hints on inter-party miscommunication.

    A little surprised that 461 units already sold (much more than I expected for one day without any useful info..).. I am kinda curious how those 461 broken down across forums lol.
     
    Last edited: Feb 19, 2021
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  2. Baten

    Baten Friend

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    Looks like solderdude/diyaudioheaven was involved at least.
     
  3. Walderstorn

    Walderstorn Friend

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    That gives it some potential. I enjoyed (and own) some of his work.
     
  4. penguins

    penguins Friend, formerly known as fp627

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    Slightly more concerned about the sell off of their consumer audio products. Looks like I need to get a spare 6xx or spare parts at a reasonable price while I still can - one thing I've always liked about the 580/600/650 line - high quality, readily available, relatively inexpensive, etc. parts.

    And while it's a bit early to judge given that no one has heard and and provided public feedback... I'm not hopeful. Agree that based on what we've seen so far Sennheiser missed a good opportunity here.
     
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  5. ksat90

    ksat90 Acquaintance

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    I really meant it tongue in cheek. I'm also eagerly awaiting their arrival into people's hands first, but it's strange that they choose to publish measurements of a hotter HD 800. The HD 800 were infamous enough for being bright.

    I have a feeling it's going to get "fixed" closer to the actual delivery date, and this way you get even more pre-orders.
     
  6. Erroneous

    Erroneous Friend

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    This turd sandwich just makes me want to hold on to whatever self-tweaked little part of HD800 history I've managed to make myself able to deal with because of the rock-hard-boner-headstage-gasm I haven't been able to get from all the other headphones I've loved while quietly trying to exorcise the 800s from my life. Love it or hate it, they give you something you can't get elsewhere. They're like an abusive spouse. They're just ok until you start to try to sell them and get rid of them. They'll be back.
     
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  7. Thad E Ginathom

    Thad E Ginathom Friend

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    Oh shit... Obvious, but it hadn't occurred to me. I spruced up my HD800s with new pads and headband: "used" was very true! I like to think I can do that again in the future. I like to think that something like a driver failure or accident doesn't render them (or my hd600s) throw-away junk. Obviously, yes, I change/upgrade gear from time to time, but my relationship with audio equipment is that it is intended as a long-term buy/experience. I don't want Sennheiser to take that away from me.

    I wish I'd bought two sets now
     
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  8. oldschool

    oldschool Rando

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    Maybe we should chill a bit. Senn said they are looking for an investor to support them, rather than selling the business. That would come only as a last resort.

    And in any case, I doubt accessories and support for their popular lines like the HDxxx series would all of a sudden disappear.
     
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  9. Scubadude

    Scubadude Almost "Made"

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    Sensible advice. A sale is not always bad ... It saved an otherwise terminally ill Stax. On the other hand, it degraded Acoustic Research to MP3 playing porch lanterns.
     
    Last edited: Feb 20, 2021
  10. penguins

    penguins Friend, formerly known as fp627

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    Should clarify - I don't think accessories will disappear, but my biggest concern is a possible decrease in quality, costs may increase, parts may not be as available, some stuff gets "streamlined" away, or whatever else.

    Of course, there is a chance that none of this happens - but if we think of acquisitions as a whole, any of the above wouldn't surprise me. If we want to use Stax, from casual browsing and shopping, it did seem like the quality of some of the HP components went down a bit and from brief listening, the "new" energizers didn't sound nearly as good but cost the same or more, have a supposedly higher failure rates with cheaper components, etc.
     
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  11. Giant Ass Panda

    Giant Ass Panda Rando

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    Anyone tested the longevity of sorrodje's SD mod? I've had mine 4+ years and wondering about if I should replace them..
     
  12. sorrodje

    sorrodje Carla Bruni's other lover - Friend

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    I wouldn't bother if I were you. Mine is 5 years old and still in mint condition. Considering the time it needs to make old foams from vintage headphone to desagregate, I think the mod, once fitted and untouched, can last a very looooong time.

    Please notice I could easily recommand a 2 years replacement standard in order to make moar money. :drunk:

    About HD8XX.... I guess I'm not alone to be perfectly fine with stock HD800 enclosure , a bit of modding and a bit of EQ. so there's no point to spend money in this new toy. By the way, if Franz/Solderdude is really involved it can only mean good things in my opinion :)
     
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  13. M3NTAL

    M3NTAL Friend

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  14. E_Schaaf

    E_Schaaf MOT: Upscale Audio; recovering HFM addict

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    Alright @M3NTAL you've convinced me to copy my profile post here. I'll provide 'optimistic' and also 'pessimistic' measurements of before and after mods since the headphone is so position sensitive on EARS. Pretty much repositioning to show where the treble response is the least hot (optimistic) and most hot (pessimistic). This is truly the simplest possible mod I could cook up. I think it works quite well. I didn't change the volume knob position between measurements, just kept the noise going on ARTA and popped in my foam donut.

    Before (bone stock OG HD800):

    Optimistic -
    upload_2021-2-25_15-11-42.png

    Pessimistic -
    upload_2021-2-25_15-10-55.png

    After:

    Optimistic:
    upload_2021-2-25_15-14-25.png

    Pessimistic:
    upload_2021-2-25_15-15-23.png

    The mod:
    [​IMG]

    It's a visco foam 3.5lb density donut, 75mm outer diameter 50mm inner diameter. The foam is 1/2 inch thick. Doesn't worsen soundstage as far as I can tell. Just sounds loads better. Double stick tape on the steel lip around the driver to hold it in place. When you put them on you can feel the foam slightly against the ear but it's not annoying because it's pretty plush and pleasant to the touch. I have 2.5 and 1.8 density foams at home will test next.

    Sadly this would be hard to DIY and get perfectly clean edges like you see above unless you have the right tools. I use custom made circular leather cutting dies and a hammer. If anyone wants to try this out, DM me, I might ask for a little $ to recoup materials, shipping, and the time it takes to cut the rings, but happy to do this for Friends :)
     
    Last edited: Feb 25, 2021 at 3:36 PM
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  15. wadec22

    wadec22 Facebook Friend

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    I'm shocked this doesn't hurt sound stage. I believe you, just surprised. I would guess it would hurt stage and emphasize some bass frequencies.

    Does imaging hold up as well?
     
  16. E_Schaaf

    E_Schaaf MOT: Upscale Audio; recovering HFM addict

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    Haven't listened to any classical music but I notice no difference at all in terms of the rendering of space vs stock in terms of width, depth, etc. If anything, possibly a less diffusive character and a more clearly defined center. Then again the stage sounds bigger when you turn it up a bit, and I can't play more than about 70dB on stock before I want to cry. The foam piece is pretty porous, guess it just breathes enough. 2.5 or 1.8 might have similar smoothing effect but be less of a concern on that front, or cutting the height to 1/4 in instead of 1/2. If I could slope that inside edge of the donut, that'd be ideal.

    I'm honestly not too motivated to test those things out because they're harder to cut and I don't take issue with the current foam. I think the driver angling and proximity are more important for stage than having wide open cups. The cup dimensions may do more harm than good in terms of reflected sound reaching the ear and strange resonances, then again I'm a HD800 newb and mostly doing this out of curiosity and spite towards this headphone so I could be full of shit.

    Regardless, I like them now! That feels good, I'm excited to explore the headphone more. I can see this mod being stacked with other mods for an even more linear and pleasant response.
     
    Last edited: Feb 25, 2021 at 4:36 PM
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  17. E_Schaaf

    E_Schaaf MOT: Upscale Audio; recovering HFM addict

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    Think of it this way - the difference in FR in the midrange accounts for energy that was being reflected and diffused within the enclosure that's now meeting the ears more directly, hence the increase in efficiency in those areas. The foam can't possibly be adding energy that wasn't already there, and And the areas where we see a decrease in energy, I can only imagine it's due to the absorptive properties of the foam itself effectively filtering reflections off of the cup walls. The initial wavefront isn't being nerfed given there's no obstruction on the front of the driver. So we get more direct and less reflected sound, should be only a good thing right? Foam doesn't have as particular a reflection character as felt or rug liner just given its material properties and porousness. Edit - for reference the 1/2 inch cut is only 12mm high, which is only half the total depth of the enclosure on the rear side of the ear. So it's not as 'full' of foam as it probably looks in the photo.

    Your ears are only so large and only really pick up sound from the pinna, I see no sense in having sound bounce past your ears, reflect off the side of your head, bounce back into the enclosure's angled walls and eventually end up hitting your ear out of phase with the direct wavefront. Or the driver projecting sound beyond the boundaries of your ear. I'm just theorizing here, but again I feel the angling and proximity is key to soundstage, and a lack of problematic reflections is key to having a linear tone and less high peaks...
     
    Last edited: Feb 25, 2021 at 5:21 PM
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  18. dasman66

    dasman66 Self proclaimed lazy ass - friend

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    never had the slightest desire to put the 800(s) on my noggin. Looking at the FR from your mod, now I'm going to start searching for one used...
     
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  19. E_Schaaf

    E_Schaaf MOT: Upscale Audio; recovering HFM addict

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    The heapdhone still sounds like an HD800 in terms of having Senn veil and the HD800 driver having a somewhat lean timbre regardless of how you tailor the FR. But yeah, I'd love to send out some rings and see what the more hardcore HD800 users think!
     
    Last edited: Feb 25, 2021 at 5:11 PM
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  20. wadec22

    wadec22 Facebook Friend

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    You mean NOT having the veil right? I never found the HD800 to share that characteristic with the 6XX.

    I thought it could potentially excite bass frequencies the same way you can excite them by stuffing some speaker cabinets or say placing a sub near a corner. You maybe can't add energy but you can emphasize it by trapping, correct?

    Like you said the foam must be porous enough to not be trapping any larger waves.

    Far out of my expertise here. I'll go back to the stands and enjoy the show. Seems a neat mod.
     

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