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Thread: Beyerdynamic DT990 Pro 250 ohm headphone.

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    Default Beyerdynamic DT990 Pro 250 ohm headphone.

    Hey there guys I finally have my hands on the beyerdynamic DT990 pro.
    Most of you are probably not aware of beyerdynamic as most of you are crazy for SS siberia or Razer cacharias or whatever gaming hp it is.

    Beyerdynamic is german headphone manufakturer, it is among the big three along with AKG and Sennheiser.

    The DT990 pro's arent ordinary headphones, they are open air dynamic headphones meaning that the chamber has no plastic cover at the back instead it has a grill, hence the open air since the chamber isnt sealed off. Now this technology really does improve sound quality especially soundstage while sacrificing isolation. If isolation is something you want these headphones aren't for you.

    Im driving it with creatives premium HD usb sound card, these sc can support upto 330 ohms.

    Here are some pictures of the headphones.

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    FTW!!!!!!!!!!

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    Zulk, where did you get these ? Ridwan bhaiya's one ?

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    Nice Stuff!
    Do write a review & initail impressions on them. Oh & hows the open ear type feeling like?

    ---------- Post added at 11:38 ---------- Previous post was at 11:37 ----------

    Quote Originally Posted by dipanzan View Post
    Zulk, where did you get these ? Ridwan bhaiya's one ?
    Most probably yes, he told me in fb he was going to get Ridwan bhaiya's one.
    These are not available in bd afaik.

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    Quote Originally Posted by EviL AnGeL View Post
    Nice Stuff!
    Most probably yes, he told me in fb he was going to get Ridwan bhaiya's one.
    These are not available in bd afaik.
    Yes I know they are not available here in BD. But if it's Ridwan bhaiya's one, then he got it practically brand new LOL.

    Zulk you need an amp now, I don't think any sound card can drive those cans alone, and congrats.

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    Should've gotten the 80 Ohms version, but yeah, it's time for an amp <_<;

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    LOL my sc can run them fine, the 250 ohms are not that tough to drive, suprisingly much louder than my HD438. a huge step up.

    ---------- Post added at 12:10 ---------- Previous post was at 12:02 ----------

    Yes its @Hemlock bhaia's one. But I dont need an amp for this right now, what i need are tubes; testing this with @Mazhar 's dads Hifiman EF-2 was quite a bit better.

    ---------- Post added at 12:11 ---------- Previous post was at 12:10 ----------

    Quote Originally Posted by dipanzan View Post
    Yes I know they are not available here in BD. But if it's Ridwan bhaiya's one, then he got it practically brand new LOL.

    Zulk you need an amp now, I don't think any sound card can drive those cans alone, and congrats.
    They aren't even broken in. Lets see what happens, ill write up a review after 50 hours and another one after 100 hours of listening. It wouldnt be fair to review these babies now.

    ---------- Post added at 12:12 ---------- Previous post was at 12:11 ----------

    Quote Originally Posted by EviL AnGeL View Post
    Nice Stuff!
    Do write a review & initail impressions on them. Oh & hows the open ear type feeling like?

    ---------- Post added at 11:38 ---------- Previous post was at 11:37 ----------

    Most probably yes, he told me in fb he was going to get Ridwan bhaiya's one.
    These are not available in bd afaik.
    The feeling is like attending a live concert, yes its not like using hp's at all (if you do disregard the weight of these monsters), the sound imaging is soo good, even in games you could tell where each footstep is coming from with precision. O_O

    ---------- Post added at 12:15 ---------- Previous post was at 12:12 ----------

    Quote Originally Posted by Wintereise View Post
    Should've gotten the 80 Ohms version, but yeah, it's time for an amp <_<;
    The DT990 is not available in 80 ohms, I think its only the 770 or 880 dont remember, but the 250 ohms are the mid breeds of 32 ohms and 600 ohms. best of both worlds
    FTW!!!!!!!!!!

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    Good buy dude, but your creative sound card doesn't do it justice.

    I would be interested to see how they sound with my corda2 or fiio e7 against the hd600.
    Last edited by DevilJIN; February 6th, 2012 at 19:55.

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    Err this sound card is actually pretty good, the premium HD was built for people who use headphones, also it uses the same dacs found on the HT omega carlo + . the opamps are JRC 4556, also used in marantz CC4003 cd player.

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    FTW!!!!!!!!!!

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    Quote Originally Posted by DevilJIN View Post
    Good buy dude, but your creative sound card doesn't do it justice.

    I would be interested to see how they sound with my corda2 or fiio e7 against the hd600.
    Well I have tried the hifiman EF-2 with HD 650, that hp sounds more mellow compared to this. its much more laid back, this on the other hand is very bright and detailed but at the same time very laid back in the lower spectrum.
    Depends on what you like really, but I suspect that people who like recessed highs will prefer the sennheisers over this the senns are more expensive too.

    If your using E7 as a DAC then you should just stop .
    FTW!!!!!!!!!!

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    Lol,
    The Premium HD has a strong enough HP AMP to drive the DT990s.

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    Quote Originally Posted by eXsTatik View Post
    Err this sound card is actually pretty good, the premium HD was built for people who use headphones, also it uses the same dacs found on the HT omega carlo + . the opamps are JRC 4556, also used in marantz CC4003 cd player.
    Hmm, fair enough, haven't heard any thing good about Creative cards, but maybe they finally got their act together. I am intrigued to try their aforementioned 'premium' sound card. They are infamous for their driver issues, did they fix that yet?

    Quote Originally Posted by eXsTatik View Post
    Well I have tried the hifiman EF-2 with HD 650, that hp sounds more mellow compared to this. its much more laid back, this on the other hand is very bright and detailed but at the same time very laid back in the lower spectrum.
    Depends on what you like really, but I suspect that people who like recessed highs will prefer the sennheisers over this the senns are more expensive too.

    If your using E7 as a DAC then you should just stop .
    lol, Hifiman. Please, I wouldn't touch that or their products with a 12 feet pole Besides, that amp is too wimpy/weak to make anything sound good, even the HD650.

    And for the E7, I was quite broke when I bought it and it was one of the best budget dac at that time. Excellent for the price.
    Now, ofcourse, I prefer the corda2 move
    Last edited by DevilJIN; February 7th, 2012 at 23:49.

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    Quote Originally Posted by EviL AnGeL View Post
    Lol,
    The Premium HD has a strong enough HP AMP to drive the DT990s.


    ---------- Post added at 04:12 ---------- Previous post was at 04:11 ----------

    Quote Originally Posted by DevilJIN View Post
    Hmm, fair enough, haven't heard any thing good about Creative cards, but maybe they finally got their act together. I am intrigued to try their aforementioned 'premium' sound card. They are infamous for their driver issues, did they fix that yet?



    lol, Hifiman. Please, I wouldn't touch that or their products with a 12 feet pole Besides, that amp is too wimpy/weak to make anything sound good, even the HD650.

    And for the E7, I was quite broke when I bought it and it was one of the best budget dac at that time. Excellent for the price.
    Now, ofcourse, I prefer the corda2 move
    The Ef-2 seemed to have enough power :S. @Hemlock and @Mazhar , they would know better about the hifiman

    ---------- Post added at 04:15 ---------- Previous post was at 04:12 ----------

    @Rakin yes they do have enough power to run them quite well. They do deliver adequate power upto 330 ohms of impedance. They dont have driver issues like they used to. I will try to get my hands on an asus xonar essence one
    FTW!!!!!!!!!!

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    Quote Originally Posted by eXsTatik View Post


    ---------- Post added at 04:12 ---------- Previous post was at 04:11 ----------



    The Ef-2 seemed to have enough power :S. @Hemlock and @Mazhar , they would know better about the hifiman

    ---------- Post added at 04:15 ---------- Previous post was at 04:12 ----------

    @Rakin yes they do have enough power to run them quite well. They do deliver adequate power upto 330 ohms of impedance. They dont have driver issues like they used to. I will try to get my hands on an asus xonar essence one
    Most reviews says HIFIMAN is underpowered - ''and, the amp doesn't really have a lot of power. in fact, it's frustrating to me that it tries to disguise its lack of power with gobs of gain. this makes for a frustrating listening experience, as i'm constantly toying with the volume level in foobar and on the amp to reach a listening level that doesn't seem fatiguing''

    Anyway, why asus xonar? Why not get a proper card like Audiofire? http://www.echoaudio.com//Products/F...aces_index.php

    I just found out that in your creative card, the dacs are Cirrus. Very nice, very nice indeed. I am now even more intrigued to try them

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    I jelly.

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    Y u no butter ?
    FTW!!!!!!!!!!

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    Quote Originally Posted by DevilJIN View Post
    Most reviews says HIFIMAN is underpowered - ''and, the amp doesn't really have a lot of power. in fact, it's frustrating to me that it tries to disguise its lack of power with gobs of gain. this makes for a frustrating listening experience, as i'm constantly toying with the volume level in foobar and on the amp to reach a listening level that doesn't seem fatiguing''

    Anyway, why asus xonar? Why not get a proper card like Audiofire? http://www.echoaudio.com//Products/F...aces_index.php

    I just found out that in your creative card, the dacs are Cirrus. Very nice, very nice indeed. I am now even more intrigued to try them
    I can assure you that the quote about the EF2A is incorrect, starting from the gain bit since it takes 10 seconds to set a non-fatiguing sound level with little gain atleast with a headphone it can properly synergise with. In order to drive HD 600/650, Beyer DT 250 (even the 600 ohm) and the likes (given its price point, those are the targeted products), the EF2A has more than sufficient power and also synergies well with the 650. Rolling the tubes with a Mullard 4010 gave the unit a nice little upgrade too.

    If you had to nitpick, the EF2A, if anything, is slightly current limited but not voltage but that shouldn't be a problem unless you wanna drive a 800/Tesla which shouldnt be the case anyway. Secondly, channel imbalance is noticeable if the volume knob is set too low but that isn't really an issue since the knob isnt set that low anyway. Finally, there is some gain but it doesnt really affect anything adversely so that its noticeable because i can set it near the 9 o clock position with the 650 (some headphones may have issues, so some research is required as with all amps, some amps are just more flexible than others)

    I really dont know where you got the quotes about the EF2A being underpowered/wimpy/weak to make anything sound good. Because the 80 or so pages I read here must have been mostly wrong then. Care to share, or do you have beef with Hifiman?
    Last edited by Mazhar; February 8th, 2012 at 16:22.

  17. #17

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    Quote Originally Posted by Mazhar View Post
    I can assure you that the quote about the EF2A is incorrect, starting from the gain bit since it takes 10 seconds to set a non-fatiguing sound level with little gain atleast with a headphone it can properly synergise with. In order to drive HD 600/650, Beyer DT 250 (even the 600 ohm) and the likes (given its price point, those are the targeted products), the EF2A has more than sufficient power and also synergies well with the 650. Rolling the tubes with a Mullard 4010 gave the unit a nice little upgrade too.

    If you had to nitpick, the EF2A, if anything, is slightly current limited but not voltage but that shouldn't be a problem unless you wanna drive a 800/Tesla which shouldnt be the case anyway. Secondly, channel imbalance is noticeable if the volume knob is set too low but that isn't really an issue since the knob isnt set that low anyway. Finally, there is some gain but it doesnt really affect anything adversely so that its noticeable because i can set it near the 9 o clock position with the 650 (some headphones may have issues, so some research is required as with all amps, some amps are just more flexible than others)

    I really dont know where you got the quotes about the EF2A being underpowered/wimpy/weak to make anything sound good. Because the 80 or so pages I read here must have been mostly wrong then. Care to share, or do you have beef with Hifiman?
    Interesting. Cheers for the review!
    Headphoneaddict from headfi is a knowledgeable idiot, but anyway I got the quote from the same site (review by thewuss) - http://www.head-fi.org/products/hifi...hone-amplifier

    I don't really have a beef against hifiman, but I don't trust a company that tried to scam people with their 'HM-801' by calling it an 'audiophile' player and putting an expensive price tag on it. Various tests showed HM 801 is everything but a decent player - http://www.anythingbutipod.com/forum...ad.php?t=54879 (read posts by dftk's and nankai from hifiman trying to defend)

    Anyway, how did you end up with the hifiman amp?
    And if you enjoy your music through hifiman, fair enough, that's your prerogative

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    lol people at head-fi are a bit nitpicky, but then again at the end of the day sound is all about personal opinion (well to an extent). xD
    FTW!!!!!!!!!!

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    Quote Originally Posted by DevilJIN View Post
    Interesting. Cheers for the review!
    Headphoneaddict from headfi is a knowledgeable idiot, but anyway I got the quote from the same site (review by thewuss) - http://www.head-fi.org/products/hifi...hone-amplifier

    I don't really have a beef against hifiman, but I don't trust a company that tried to scam people with their 'HM-801' by calling it an 'audiophile' player and putting an expensive price tag on it. Various tests showed HM 801 is everything but a decent player - http://www.anythingbutipod.com/forum...ad.php?t=54879 (read posts by dftk's and nankai from hifiman trying to defend)

    Anyway, how did you end up with the hifiman amp?
    And if you enjoy your music through hifiman, fair enough, that's your prerogative
    Yeah they have had their share of mistakes hence its always important to research as not all products from the same company are same, which is sad. They do have some great headphones/amps though. Anyway, I ended up with the EF2A because I needed one for the 650 and that resulted in testing some amps and the usual research at head-fi in this thread. It offered great sound, gobs of power, warm sound signature of tube amps which I wanted and a very decent price. Some problems with gain as I mentioned earlier which affected that particular reviewer whose review you read but not a problem if it has good synergy with the headphone which it does thankfully.

    Yeah, to each his own.
    Last edited by Mazhar; February 9th, 2012 at 00:05.

  20. #20

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    Quote Originally Posted by Mazhar View Post
    Yeah they have had their share of mistakes hence its always important to research as not all products from the same company are same, which is sad. They do have some great headphones/amps though. Anyway, I ended up with the EF2A because I needed one for the 650 and that resulted in testing some amps and the usual research at head-fi in this thread. It offered great sound, gobs of power, warm sound signature of tube amps which I wanted and a very decent price. Some problems with gain as I mentioned earlier which affected that particular reviewer whose review you read but not a problem if it has good synergy with the headphone which it does thankfully.

    Yeah, to each his own.
    Ah, I see.

    Thewuss's review also said the channels are reversed on his hifiman amp. Is it same for your amp too?
    But still, poor quality check/control from Hifiman.

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