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Beyerdynamic T90 :D - Page 69

post #1021 of 2442
Quote:
Originally Posted by Mshenay View Post


btw who of u consider ur self treble heads? Im one apprently as I find no fault with the he 400 treble ... that said these might b end game for my maybe...

 

Is there anyway to fix this with an EQ? I have no Idea what to adjust though, They are most probably my end game too.....but if this slight issue can be equalised my god that would be amazing. 

 

I think the issue is around 10khz-14hkz its just slightly too "hot" 


Edited by Flognuts - 10/4/13 at 11:57pm
post #1022 of 2442
Quote:
Originally Posted by Flognuts View Post

Is there anyway to fix this with an EQ? I have no Idea what to adjust though, They are most probably my end game too.....but if this slight issue can be equalised my god that would be amazing. 

I think the issue is around 10khz-14hkz its just slightly too "hot" 

The He 400 has the same issue. I dont find it offensive or annoying... but for edm (all my he 400 is for) I eq a -2 dip in that area. Although seeing as the T90 has more linear mids n bass (unlike the recessed uppermids of the he 400) i dont see the highs bein to big n issue. Although there is always tubes to soften the treble
post #1023 of 2442

yep I put on foobar equalizer 

 

-1 on 7khz

-1 on 10khz

-1 on 14khz

 

And that's exactly what I wanted :)


Edited by Flognuts - 10/5/13 at 1:28am
post #1024 of 2442
Quote:
Originally Posted by adydula View Post

 

But there are those 600 ohm cans that will have issues with the O2 as well...but they are far and few in between.

What issues are you talking about ? I don't see any of them with my T1 and O2 .

 

And O2 sound almost like my previous SPL Auditor :o

 

Furthemore i mostly use it with a 1X Gain :tongue_smile: , and pot is fixed around 12 o'clock (ajusting volume a bit with Foobar :smile:)  (2.5X Gain only for some very quiet classical tracks) .

post #1025 of 2442
Quote:
Originally Posted by Flognuts View Post
 

 

Is there anyway to fix this with an EQ? I have no Idea what to adjust though, They are most probably my end game too.....but if this slight issue can be equalised my god that would be amazing. 

 

I think the issue is around 10khz-14hkz its just slightly too "hot" 

 

Have a look at some measurements I made on my Klippel analyzer:

 

http://www.head-fi.org/t/607079/beyerdynamic-t90-d/570#post_9354698

post #1026 of 2442
Quote:
Originally Posted by atomicbob View Post
 

 

Have a look at some measurements I made on my Klippel analyzer:

 

http://www.head-fi.org/t/607079/beyerdynamic-t90-d/570#post_9354698

 

Nice, seen those graphs before though

 

man there b another can that should pair nice with my hm801 and pb1 combo :D

 

I'm honestly PISSED that the t90 is 250 ohms... I'm worried how well it's going to do with the Balanced SE and Balanced Tube I have... not to mention 

 

Does any one know a company that will balance a new t90 b4 they ship it to you? Any one out there doing like a combo deal. 

post #1027 of 2442
I guess you are right. The T90 sounds as good as the source material. nonetheless a little eq makes it sound acceptable with overprocessed material while preserving the main character of the phones.
Besides, most modern music is overprocessed but I like some of it.
post #1028 of 2442

The T90 strikes me as an "old man's can." ;) Our high frequency hearing decreases as we age. I bet the T90 would be perfect for me in another 10 years or so.

 

:D

post #1029 of 2442
Quote:
Originally Posted by devhen View Post
 

The T90 strikes me as an "old man's can." ;) Our high frequency hearing decreases as we age. I bet the T90 would be perfect for me in another 10 years or so.

 

:D

 

HEY I'm 20 and I happen to be a treble head mind you! When I eq for bass on my HE 400 I eq the treble up xD 

post #1030 of 2442

wow this post is going all over the place....what exact treble instrument are you specifically talking about??

 

what instument at what frequency is too "hot" ???

 

inquirying minds want to know....

 

A.

post #1031 of 2442
Quote:
Originally Posted by gatucho View Post
 

Hi everyone,

 

Although this is my first (long!) post I been roaming around head-fi for quite some years now, I just  dont like to write that much (besides, English is not my native language, so excuse my poor writing)

 

I been into headphones for a little while and currently own: T90, DT880, HD600, TF10, XBA3 and MTP copper. When I bought the T90 I was also considering the HE500. I finally decided to buy the T90 because I like the DT880 over the HD600 (although I find the HD600 more "correct" I enjoy the DT880 more).

 

I find the T90 to also be very nice, detailed and "airy". In fact, these headphones are the only ones which have compelled me to write about. Nonetheless, when one is so close to "perfection" (although I know there is no thing as that!!) the small defects are more evident.

 

You know what Im talking about: the harshness on the sibilants is difficult to swallow!

 

IMO sibilants are a normal part of music and sound, so I dont mind hearing them. To be honest I dont really think that the harshness is entirely the T90s fault. In almost all the "clasically" recorded music (classic, instrumental, jazz and all non overproduced music) I find the T90 to be faultless. However, I also like to hear some pop music. I you hear pop music even in the most humble radio you will hear that the sibilants are overemphasized. I mean, I have heard live (non-amped) singing and the sibilants are not so noticeable (unless the singer is next to your ear!).

 

For the price and faultless performance of the T90, with more classically oriented recordings, I was expecting to be able to use them for all my music and not only for very select genres. Well, by looking at the web measurements and hearing to frequency swepts I can say that the highs peak is very localized and no too prominent. Normally, Im kind of a purist when it comes to using eqs and more so with these pricy headphones. However, this time I felt that a slight equalization was exactly what the doctor ordered.

 

Im used to using frequency analysis tools (at work) and equalizers (in my hobby) so after some while I got this setting for parametric peak eq. I compensated two high freq peaks and boosted a valley in the mids a little. I dont believe on violating the headphone basic character by using eq, so I made the lowest possible modifications to the nature of the T90s. I post it so you can try it for yourself. These can be used in most parametric eq like the rockbox equalizer (Im assuming they use 2nd order peak filters for the intermediate bands).

 

q1=4;
q2=4;
q3=3;
w1=4800hz;
w2=6800hz;
w3=9500hz;
k1=3dB;
k2=-2.5dB;
k3=-3.5dB;

 

The net effect is VERY slight, it is almost not noticeable at first. When hearing more carefully you will see that you can still hear all the sibilants and details but you wont feel that it is harsh. I rally like my T90s right now :). These peak filters are close so that the net effect compensates a little between them.

 

If you are inclined to it, here is the Matlab code to see the FR of these filters (remember to change the plot to Hz as it defaults to rad/s)

 

clear
q1=4;
q2=4;
q3=3;
w1=4800*2*pi;
w2=6800*2*pi;
w3=9500*2*pi;
k1=10^(3/20);
k2=10^(-2.5/20);
k3=10^(-3.5/20);
f1=1-(1-k1)*tf([w1/q1 0],[1 w1/q1 w1^2]);
f2=1-(1-k2)*tf([w2/q2 0],[1 w2/q2 w2^2]);
f3=1-(1-k3)*tf([w3/q3 0],[1 w3/q3 w3^2]);
w=logspace(log10(20*2*pi),log10(20e3*2*pi),1000);
bode(f1*f2*f3,w); grid

 

I really think that Beyerdynamic purposely made the T90s less than perfect, just look at the T1 FR vs the T90s. It is so close and the technology so similar that a perfected T90 would made the T1 useless. I havent had the opportunity to hear the T1, but many have stated that it is similar to the T90. Well, with this eq, I believe that it may be just a notch closer.

I have been looking at the T90's and will purchase (as soon as I have got the cash together!!)

 

I have also noticed that they can be a little sibilant/bright so I am really interested in the option of managing this brightness via an equalizer.  My question is (sorry for the newby question) is there a programme/app that I can make these adjustments on my mac/itunes???

post #1032 of 2442
Quote:
Originally Posted by adydula View Post
 

wow this post is going all over the place....what exact treble instrument are you specifically talking about??

 

what instument at what frequency is too "hot" ???

 

inquirying minds want to know....

 

A.

 

lol. 

 

The drum cymbals in-particular, and certain high pitched vocals....

 

EDIT: Im starting to think it was my set-up and not the headphones causing this......changed from USB to COAX via the STX and things have improved, I have no explanation for this though :/

 

 

Also For those interested, I tried the STX and had a listen to the T90's through them.

 

Initial impressions are pretty damn impressive for those going down that as a budget route. 


Edited by Flognuts - 10/6/13 at 4:18am
post #1033 of 2442
Quote:
Originally Posted by devhen View Post
 

The T90 strikes me as an "old man's can." ;) Our high frequency hearing decreases as we age. I bet the T90 would be perfect for me in another 10 years or so.

 

:D

 

Yep :-) I'm 56 and my hearing starts rolling off at around 14K - 15K so my T90's sound nice and linear; the peaks are there but my 'old man' EQ smooths them out for me. The last month or so I've been listening to my T90's with my Torpedo amp. The synergy was pretty damn good. Finished up my Crack this morning - very very nice with the T90's. Still running stock tubes. Fairly stock build, with the exception of upgraded RCA connectors, input wiring, stepped attenuator and output caps. 

 

I need to install Speedball, but don't want to stop listening :-)

post #1034 of 2442
Quote:
Originally Posted by Misterrogers View Post
 

 

Yep :-) I'm 56 and my hearing starts rolling off at around 14K - 15K so my T90's sound nice and linear; the peaks are there but my 'old man' EQ smooths them out for me. The last month or so I've been listening to my T90's with my Torpedo amp. The synergy was pretty damn good. Finished up my Crack this morning - very very nice with the T90's. Still running stock tubes. Fairly stock build, with the exception of upgraded RCA connectors, input wiring, stepped attenuator and output caps. 

 

I need to install Speedball, but don't want to stop listening :-)

 

pff, I'm young and I like the extra bright ness of the Beyer cans, my hE 400 has a nice sound too with it's extra treble. I don't find the extra treble distracting imo 

post #1035 of 2442
Quote:
Originally Posted by Misterrogers View Post

 

Yep :-) I'm 56 and my hearing starts rolling off at around 14K - 15K so my T90's sound nice and linear; the peaks are there but my 'old man' EQ smooths them out for me. The last month or so I've been listening to my T90's with my Torpedo amp. The synergy was pretty damn good. Finished up my Crack this morning - very very nice with the T90's. Still running stock tubes. Fairly stock build, with the exception of upgraded RCA connectors, input wiring, stepped attenuator and output caps. 

 

I need to install Speedball, but don't want to stop listening :-)

 

Nice!!

 

:beerchug:

 

Can't wait to build myself a Crack and finally get a chance to hear it.

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