Remember that everything is from memory.
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Originally Posted by wilashort /img/forum/go_quote.gif
That can lack the DT990 in the bass area?, some low midbass weight and body?, maybe.... Because, i find it lacking some body; when i compared my dead HFI-780 to my DT990, can be that? or what in reality?, make a effort.
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Could be tightness. I find that the AD2000 have a harder hit, but without as much quantity as the DT990.
I feel that the Beyerdynamic sound lack body in a way. The hights through the midrange is very lite, almost featherlite, and a bass is added to that. With the AD2000, the midrange carry more body, which helps the sense of fullness. The HD650 have even more body in the midrange, but with a large amout of bass too, which made them sound very bassy.
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Originally Posted by wilashort /img/forum/go_quote.gif
But the bass in the DT990 is fast, very fast and hit hard, or is that your AD2000 hit/slamming harder (obviously i don't refer to midbass boom boom but PUM PUM that is asociated to higher midbass zone and higbass specially)?
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The AD2000 is rather fast, but I never felt that the DT990 was slow either when I had them. And the AD2000 hit rather hard yes. If I remember correctly, I also found the DT880 to have an even harder hit than DT990, but not as much quantity.
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Originally Posted by wilashort /img/forum/go_quote.gif
Well, for you which of the two sound more open? (It is very important if i want to consider another open headphone).
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Both sound open, but the DT990 had the largest soundstage I've heard short of Grado GS1000. This really helps the open sound. This would make the DT990 sound more slightly more open than AD2000.
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Originally Posted by wilashort /img/forum/go_quote.gif
how much better is the separation of voices/instruments in your AD2000, if you can quantify in %
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As I haven't got them side by side, I can't make a true comparison. I do find the Beyers (DT990, DT880) to have very good separation. The large soundstage of the Beyers makes it easier to hear every instrument. I would say that the DT990 probably would win in separation.
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Originally Posted by wilashort /img/forum/go_quote.gif
And for last, is the mids of the AD2000 equal or/faster or/much faster than the DT990?, please remember that i don't refer to the position in the spectrum if no to the PRAT.
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There is a VERY large difference in midrange between the two. The AD2000 have a very pronounced midrange, which I really like. I didn't feel that the midrange of the DT990 was recessed when I had them, but this was only because of the fact that I had not heard a lot of headphones at that time. Now that I'm used to the AD2000 and RS1, I even feel that the DT880 has a recessed midrange. I can't say from memory which one has the fastest midrange though.
The PRAT of the two would be a very personal thing. In the DT990, the bass and treble is driving the music forward. In the AD2000, it's the midrange. I personally think that the AD2000 have more PRAT than the DT990 ever had.
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Originally Posted by wilashort /img/forum/go_quote.gif
Ah, how is the isolation in your AD2000? (...i don't want almost any), and the leakage is a lot?
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There is no isolation what so ever. Completely open.
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Originally Posted by wilashort /img/forum/go_quote.gif
Another thing (for comparision purpose only), which of the two (RS-1 and it (AD2000)) has a bigger soundstage/headstage, better and faster mids and a deeper bass?and if it isn't much bother to you, which of the two hit harder too? and which leak more sound too.
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They are both completely open, so both will leak very much sound. I do however feel that Grados tend to leak more.
The AD2000 have a larger soundstage. The RS1 tend to focus the sound in a very small space. They still sound very very open and airy though, so the small soundstage does not make them sound compressed which could have been the case.
Which one has better mids is a very personal thing. The RS1 have more warmth in the midrange, and I do not feel that warmth feel very natural. For my taste, the AD2000 have the overall better midrange. Acoustic guitars are better on the RS1 (but from memory I like the electric guitars better with MS2i), while I feel that vocals are better with AD2000. The AD2000 midrange feel very transparent (since I added the fatpad mod) but is still just magical and musical.
The RS1 midrange might be technically better, with better low level dynamics, but I like the AD2000 midrange tonality more. With low level dynamics, I mean that the RS1 tend to very effortless present volume differences within each word, something which I never heard before. This low level dynamic almost chocked me at first, and I find this to be a very desiarable thing. This adds a lot to clarity and air in the midrange. The AD2000 has got very good macro dynamics, but not micro dynamics within each word like the RS1. I have never heard the low level dynamics in the MS2i either, and this make the RS1 sound like the higher end headphone that it really is compared to it.
Both are good when it comes to the bass. The RS1 have the famous Grado punch, which to my ears is very focused around the kickdrum. Both have fast bass. Would be hard to crown a winner here.
The RS1 and AD2000 are both excellent headphones, and the preference is just a matter of taste. Both have an excellent midrange, the RS1 slightly warmer and the AD2000 more neutral/colder/natural to my ears.
I'm not sure I will keep the RS1 as I tend to like the AD2000 more on every type of music, but the RS1 still sound very very good.