Sennheiser HD820
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robo24

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I couldn't resist either and ordered last weekend. Just got shipping confirmation that it should arrive by Friday. In 6 months I've gone from my first audiophile cans ($200 6XX) to these. I hope they let me bring them to the eventual debtors prison I end up in, lol. Couldn't stop thinking about them since I gave them a listen in the San Francisco Sennheiser store recently, so I already know I'll enjoy them. Very interesting to read all the widely varied reviews, much like with my favorite HD700. I guess I'm a fan of maligned Sennheiser models.
 
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bflat

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I couldn't resist either and ordered last weekend. Just got shipping confirmation that it should arrive by Friday. In 6 months I've gone from my first audiophile cans ($200 6XX) to these. I hope they let me bring them to the eventual debtors prison I end up in, lol. Couldn't stop thinking about them since I gave them a listen in the San Francisco Sennheiser store recently, so I already know I'll enjoy them. Very interesting to read all the widely varied reviews, much like with my favorite HD700. I guess I'm a fan of maligned Sennheiser models.
Nice! I've had the HD820 for a couple weeks now and one thing I think is universally true is that the fit and seal of the ear pads have a tremendous affect on sound. Some of this is true for any headphone like where the drivers are centered relative to your ear canals. However, the HD820 pads are more challenging to fit than most headphones IMHO. If you look at the design and materials, it's clear that you need a good seal, but not "air tight" seal. The most obvious issue is lack of seal which make the HD820 have a very nasal tone with no low end. However, if the seal is too tight, then the HD820 sounds boomy and muddy from low end through the mids. You can hear this effect by pressing slightly on the cups while listening. IMHO, 80-90% seal is ideal. Lastly, it seems that the seal gets better after wearing the pads for 10-15 min. Maybe there is memory foam? If true, those who try these for a brief period of time at shows will find it very difficult for a proper seal.

Should a headphone be this sensitive to pad placement and seal? Ideally no, but somehow I think precision will be compromised if there is more generous play. After a couple weeks, I think I know optimal fit now just by how the pads feel on my head.
 
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tube head

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I've only spent about 4 hours with them so far. They are hooked up to an old Denon CDP , on repeat right know. Trying to get some time on them while I'm doing other stuff. I seem to get a good seal all around, although it's a light seal. Almost feels like it needs to be just a very little tighter. I'm pleased that you mentioned about them becoming boomy and muddy if to tight. I have moved them around and it doesn't change the seal, It still seal all around. I think maybe the pads will eventually break in and seal better on those who don't get a good seal.
But like I said, I only have listened to them for a short time and have a lot more listening to do, but so far, I really like them.
 
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headblid

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I agree with the seal comment. I find that pushing a tiny bit against the cups tightens everything up and makes it sound like an HD820 on steroids for the right tracks. This definitely gets better the longer you wear the headphones. I can't help but think that if the clamping force was a tiny bit stronger, these would be the perfect closed backs.

Cheers,
 
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bflat

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I agree with the seal comment. I find that pushing a tiny bit against the cups tightens everything up and makes it sound like an HD820 on steroids for the right tracks. This definitely gets better the longer you wear the headphones. I can't help but think that if the clamping force was a tiny bit stronger, these would be the perfect closed backs.

Cheers,
You could CAREFULLY bend the steel headband a little. I know that was standard practice for Beyer closed headphones. At your own risk of course.
 
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AppleheadMay

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You could CAREFULLY bend the steel headband a little. I know that was standard practice for Beyer closed headphones. At your own risk of course.
And if you do that and decide to sell it later on, tell it to the buyer before you sell it. I for one wouldn't want phones where the band has been bent.
This was common practice with the W3000ANV as well and I bought one where the band was bent by the seller without him letting me know beforehand.
I felt it immediately since I already had a pair and the fit wasn't good anymore. Needless to say I returned him the phones and I wasn't satisfied with the claim you could bend them back.
 
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enderwen

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The seller is in Hong Kong which operates free trade (no VAT, no sales tax, no import duty). I believe the US reciprocates within limits. I've never had import duty from Hong Kong and have a lot of stuff I've ordered from there. China on the other hand is a whole different story and in the middle of a trade war with US.
Thanks for this clarification
I was thinking buying the HD820 with the same HK store having this very challenging price
Any issue on the delivery ? Headphones and package totally new and package completed ?
Concerning their guarantee policy, any comments from this e-store ? Can we benefit in this case of a direct Sennheiser worldwide guarantee if any ?
Thanks for any additional comments to confirm the professionalism of this platform
 
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headblid

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Yikes,
I haven’t even removed the little plastic films that cover the glass on them, I could not possibly go trying to bend anything in there :). Maybe I’ll put some rubber bands :)

Cheers
You could CAREFULLY bend the steel headband a little. I know that was standard practice for Beyer closed headphones. At your own risk of course.
 
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AppleheadMay

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Yikes,
I haven’t even removed the little plastic films that cover the glass on them, I could not possibly go trying to bend anything in there :). Maybe I’ll put some rubber bands :)

Cheers
Exactly. For me bending the headband reduces the resale value of the phones to around about €0.
 
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bflat

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Rather than theorize, here is the official response from Sennheiser support regarding tightening the HD820 ear pads:

"Wrap a bungie cord or elastic band around the earcups to hold them together when the headphones are not in use. This will slowly tighten up the headband to conform to the shape of your head. We design our headphones to fit the majority of the general public, but in some cases they do not fit everyone. Leave the headphones wrapped up until the headband reaches your desired tightness. I do not recommend using your hands, as you could snap the headset. An elastic band or bungie cord will apply equal pressure and will tighten the headband slowly, without risking damaging the headset."
 
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Sound advice regarding not bending them quickly using a short burst of force.
But if you belong to "the majority of the general public" and the phones fit you fine without bending then bent ones will fit you less. That was the case with the W3000 for me.

Anyway, looking forward to receive my HD820. I hope still this week but I guess french post ships internationally by bicycle.
 
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bflat

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Sound advice regarding not bending them quickly using a short burst of force.
But if you belong to "the majority of the general public" and the phones fit you fine without bending then bent ones will fit you less.
That was the case with the W3000 for me.
Of course. My initial reply was for owners who feel they need a tighter fit for optimal sound. "Majority of the general public" is a pretty broad statement and if you are happy with the default fit then as I also stated, a tighter seal will be detrimental to the sound quality since I believe HD 820 was not designed for an "air tight" seal.

I also asked if there are any other ways to increase ear pad pressure and Sennheiser says none at this time. Perhaps some 3rd party pads will come out in the future with thicker pads.
 
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robo24

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Mine arrived a day early so am just beginning to enjoy them. My biggest concern was that the ones I tried in the store were somewhat loose and didn't have a great seal. The ones I bought fit much better! They're extremely comfortable, too.
 
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Thenewguy007

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Can anyone show how the earpads look from the back when removed from the headphones?

I know someone tried to use the HD800 pads on the HD820 & they didn't go in, but Dekoni's pads have a different mechanism for inserting into the HD800 slots & they might work for the HD820 as well.
 
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