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purpleangel said:

I ordered some EDT 990 V replacement Velour ear pads for my DT880 Pro, the foam disks that came with the replacement ear pads are two tone gray/black and seem a little thicker then the foam pads that came in my DT880 (all black).
Wondering if I should just keep using that stock foam disk (all black) as they are thinner or just go ahead and use the newer two tone (gray/black) foam disks?
Does one affect audio quality over the other?

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SQ is typically affected by ear pads.

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deathwish238 said:

 
SQ is typically affected by ear pads.

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The effect can be quite dramatic as I found out.

I have the DT770 Pro 80 Ohm on the way tomorrow. I'm actuallt pretty anxious about getting them. Last night I had to choose between those and the M-Audio Q40. I'm a bass lover and decided to go for the Beyerdynamic's because of the build quality issues with the Q40's. I'm really just hoping i'm not going to be dissapointed with the Beyerdynamic's bass. I have the E11 which I used with my old AH-D1100 and I'll cry if they don't live up to them in terms of bass impact. I know the quality will be better but I like a bit of oompphh!

Update after receiving the DT770 80 ohm, first impressions.
 
Mother of god
 
These are a really great pair of headphones. First off my E11 was dying as i plugged them in so they sounded bad and yes, they sound like crap un-amped using an iPad. Now the E11 is charged i'm really impressed. The bass impact is there and it's controlled, the mids are nice to and the treble is ok. The build quality is amazing. So sturdy, the headband is comfortable, the ear pads are super comfortable and the clamp is just perfect as well for my head. My word, i'm aware these will get better as well after a few hours/days and i already love them.
 
The Denon AH-D1100 which i had previously dont even come close to these. I highly recommend these to anyone who loves bass and wants excellent build quality and comfort. What i will say is for me without an amp they do not sound good at all. The cans rattle when the bass is present and the volume is too low fo my ears coming out of an iPad. You will just be left wanting without an amp until you get one, keep that in mind.

Having listened to my just-arrived T5p this afternoon at lunch I can definitely say I am a Beyerdynamic fan.
 
They make a very nice closed circumaural can for my portable use to compliment my GS1000i at home

Just Recieved my T1's from Moon Audio with their detachable mod and silver dargon cables. Listining with the DX100 as a source and I have to say I am impressed and now a Beyer fan.

I got my DT990 (600ohm) in the mail today! I'm using the headphone amp on my HT Omega card set to 600ohm to drive them (replacing this  card with Xonar ST very soon) and I can't tell if it's driving them well enough.
 
If an album isn't really loud, @ 100% volume in windows it isn't loud enough for me. It seems like in itunes I can turn up the EQ a bit to amp it further...this oddly doesn't seem to introduce distortion if I don't go too far and makes it much more acceptable (I'd love to know if anyone else has tried this)
 
 
As for the headphone itself, it will take me time to settle in with it. It's really interesting and I like what it does with bass and treble, but it seems like it's being held back by volume some how. I owned Denon D2000's for two years (a year back) and obviously these aren't going to be like them, but i'm totally not used to open headphones, i'm hoping someone can help me out here as i'm not sure if I can tweak these cans to sound like I want them to, or if it's just the nature of open headphones.

Would still like some input from DT990 owners here.

well i dont own any headphones worth talking about yet, iv decided to change that and get dt 770 pro 250 ohms. i thought this would be a good place to ask if i need an amp for them? will they sound bad without one?
 
i should point out that i use a laptop - lenovo z560
 
also, if you do recommend using an amp, please recommend one that is cheap (i am a newbie after all). 
i have a (very) old stereo (the big ones that open at the top and have a tray for 3 cds). could i plug my computer into this and my 770s into the stereo and just use that as an amp?

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adamlr said:

well i dont own any headphones worth talking about yet, iv decided to change that and get dt 770 pro 250 ohms. i thought this would be a good place to ask if i need an amp for them? will they sound bad without one?
 
i should point out that i use a laptop - lenovo z560
 
also, if you do recommend using an amp, please recommend one that is cheap (i am a newbie after all). 
i have a (very) old stereo (the big ones that open at the top and have a tray for 3 cds). could i plug my computer into this and my 770s into the stereo and just use that as an amp?

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Headphones that are over 60ohms are going to need some kind of ampage. Now you can probably drive them just fine out of your PC and whatnot, but they need power to get the full sound in there.

what do you mean by full sound? volume, quality or something else?

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adamlr said:

what do you mean by full sound? volume, quality or something else?

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Usually both. In the case of 250ohm Beyers plugged directly into a laptop or portable device... an amp will improve both volume and sound quality.

Proud owner of the dt 880/600 premium and dt 770/250 premium here! Looking to eventually upgrade to a T70/T90/T1 in the future

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thegunner100 said:

Proud owner of the dt 880/600 premium and dt 770/250 premium here! Looking to eventually upgrade to a T70/T90/T1 in the future

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The T70s are better then the DT770 series.

Hey guys! So I have a great story to share regarding my beloved DT770 Premium 600 ohms. Like a complete and utter idiot I took a vacuum cleaner hose to the right driver/cup. That's right. Obviously I know using a vacuum on a driver is really, really stupid but somehow I had a brain fart. I was trying to get all the hairs out of the right side pad & cup and the vacuum was sitting there so I tried it. As soon as I put the tube of the vacuum against the pad covering the driver I knew I was making a huge mistake. Sure enough, when I put the 770s back on, the right channel was barely making any sound and when it did it was crackling like mad. Boy it sounded terrible. 'There goes $250 and a great pair of headphones that are discontinued...' I thought. I set them down and went to go let my dog back inside (his endless shedding being the hair problem that started this all). When I came back upstairs and put the 770s back on I was shocked to hear them now have full sound in the right channel but it was still crackling quite bad. So I fired up some 30hz and 50hz test tones (from this site) and sure enough volume was now perfectly balanced between the channels but there was still crackling in the right side. I was absolutely blown away while I sat there listening to monotonous test tones and hearing what sounded like the 770 slowly unwrinkling its own driver cone. The rattles and crackles got faster and duller until, just a couple of minutes later, they were gone. I was absolutely stunned, I must say. The sound was 100% back to normal. I've been listening to these all day today and yesterday and they are indeed 'fixed'. Somehow my completely idiotic move that should have destroyed these headphones was magically undone by the headphones themselves. Phewwwww. I will never get a vacuum cleaner hose anywhere near my drivers ever again. All I can think is that Beyer obviously used some good materials in these drivers that allowed them to go completely inside out, for the most part, and then work themselves back to the right position without tearing or ruining the sound quality. Amazing.