Guess now is a good time to add that I use Reference 4 along with my dt770’s. They have a profile that flattens out the response of the headphones.
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In my experience closed-back headphones (e.g. DT 770 Pro) are designed for isolation and intended for monitoring applications where bleed needs to be minimsed like recording vocals, acoustic instruments with sensitive condenser mics.
The closed back models will therefore exaggerate bass frequencies more than open (DT 990 Pro) or semi-open (DT 880 Pro) models, and you may find that when you listen to your mix on speakers that the bass is lacking because you have under-compensated for it when using closed-back headphones.
Also, with regard to impedance you can expect lower output / volume but more dynamic range / detail from a higher impedance model like 250 Ohm and higher output but less detail from a lower impedance model liek 80 Ohm.
This is the reason DT 880 Pro and DT 990 Pro come in 250 Ohm as standard because they are intended for mixing and mastering applications, whereas the DT 770 Pro is also avaialble in 80 Ohms which provides a louder output needed for recording / monitoring when capturing louder instruments like drums or electric guitar.
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Thanks for the suggestions!
I’m going to use the Creative Sound Blaster ZxR sound card:
The impendance will not be a problem. I am interested that they are as flat as possible and closed, no color. Even if they have some serious excess of low frequencies for being closed, I think I could deal with that, knowing that there is that little excess.
They will be to compose symphony orchestra. So I’m interested in hearing all possible details. I want it to sound powerful and without distortion. But the most important thing is that they should be completely flat. All headphones that I have tried that are not studio end up distorting with a considerable volume and are colored. I need headphones that hold up well, without distorting.
Does anyone own them beyerdynamic custom studio? (168€ in Spain)
I like this model a lot. Any opinion? Would small outgoing cables really be a problem?
Also beyerdynamic dt880 user
Amazing headphones
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I am seriously looking at this model: Beyerdinamic DT 770 PRO (250 ohm) (122€ in Spain)
- It is closed.
- It is comfortable and big earmuffs.
- It is durable.
The question is whether it is flat enough at all frequencies. I understand that being 250 ohm the bass will not be so exaggerated compared to the 80 ohm model. Does anyone have any idea about this?
Aesthetically I don’t like them too much, but I prefer comfort, to appearance. Aesthetically I like Custom Studio more, but it is 80 ohm.
Maybe you will get good results with software like sonarworks. Also if Bass is too much to your taste, you can work through an eq lowering it, or just let sonarworks even it out to taste. I don’t know what would be more benificial for orchestral work - having natural, weak sub/bass, so you get accoustic like listening sensation, or maybe even have it slightly boosted, so you can carefully work on the low end, remove ambient noise or stomps and rumble, and have focus on the “power” that deep strings or horns or timpanies can have in their low notes…?
My 880s sound very different with sonarworks tuned to flat, like the hi freq lens/magnifier thing will be removed, and things sound very nice and splashy and natural with the flat curve, yet loosing depth and size. So I prefer working without sonarworks, what seems a bit high end overkill makes sense once your ears are used to it and you work longer sessions with hearing fatigue…
IDK with real flat curves like sonarworks audio will sound very flat with any good headphones they support, even if they normally have peaks or bass boosts in their eq curve. It cannot correct distortions ofc. You will loose the emphasis that the beyer models put on the highs, I find for example with the 880s sharp violin sound sound a bit intense and “searing” in the high frequency range, just a little more than would be natural, but this will also allow the delicate noise and ambience to be analysed with more ease.
I think the Beyer headphones have very little distortion, being made for pro audio applications or entry level audiophiles. I think the dt 770, 880, and 990 use the same speaker technology with similar high-end emphasis and low distortion, just in different casings (closed, “semi-open”, open) and with slightly different tunings…
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I like the use sonarworks when I’m producing. When I reference, I turn off sonarworks and test not only on the 770’s but in the car and other sources to see how well the mix translates.
It’s spot on most of the time especially with each destination applying their own flair to the output.
Again, not an end all / be all solution. Just one of many.
much love too for the m50x they produce great results when you take the time to know them well
only thing i dont like since i own as well is that i get pretty tired (a bit of an ear annoyance) after a couple hours in the studio i think its because they dont cover my ears entirely 
i dont use them as much lately but for at least 1 hour when mixing the sub and kick … and for another reference overall 
but i think they sound really good
I wouldn’t over complicate it. Just train your ears to the phones. They don’t have to be super flat imo. Your ears are also not flat 
. The DT 770 are good phones. When choosing AT I would buy the ATH M40 instead of the 50. The M40 is much more neutral.
For loud volumes maybe an option is also the Sennheiser HD25.
Personally I prefer the Superlux HD668B over many other phones.
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i was expectingg them to be much more expensive here its 179$ on sweetwater music
For now, the Custom Studio are the ones I like the most. If there were a 250 ohm model, I would already have a candidate.
This model has the detachable cable, plush pads, and the sound is much flatter, it is not “V” like the DT770 PRO.
In addition, it has a regulator for the lower frequencies. It seems that the Beyers are famous for coloring or exaggerating the lower frequencies. Even exaggerate the high frequencies.
This model has been adjusted enough to sound flat, with the extra manually adjusting the low frequencies. It is € 46 more expensive than the DT 770 PRO.
I can’t find the inside dimensions of the pad or the internal height, so that the ears fit. I don’t want the ears to feel uncomfortable. Does anyone know the dimensions?
https://images-eu.ssl-images-amazon.com/images/I/91uJfI7YEgS.pdf
You can NEVER go wrong with Audio Technica M50’s my friend! (Audio-Technica ATH-M50x) 
The cans are HUGE. Your ears will fit for sure as long you are not Benjamin Bluemchen.
Ok. I read in a forum that a person was bothered because the inner side face of the can touched his ear. Maybe he had a very open ear. My ears are medium sized. But just by looking at the pictures I am not sure of the actual size of these headphones. Sometimes the images cheat.
The Audio Technica seem smaller.
All beyerdynamics have a kind of peaky highs frequency range, like there are boosts that will aid with spatial impression but also make the highs quite intense. Not everyone likes that behaviour. Yes it will be unpleasant if you have sensitive hearing and a sound with too much treble. My 880s first kind of hurt when I listened loud, but they got smoother over time.
I am in doubt whether the m50 are very good choice for orchestral/classical works. That’d need something realistic sounding, so you can judge if the sound is kinda similar to the situation when listening close to the stage, and not like a pop/rock/electronic music mix. I once had a pair for testing, and it sounded sharp and synthetic, with cool and clear yet defined bass, but not so very much natural imho… They are probably very good for electronic/rock kind of music…
Really you should pinpoint the models you’d prefer, and visit some bigger music gear store where you can test the headphones. Even if you don’t buy them there. I think it is very much up to personal preference, which phones you will like best. Prepare some audio file and playback device where you can hear certain details that are important for your work. I think in shops you can often connect a 3.5mm stereo jack for testing… Then playback your file on each headphone, and see which one works best for you. This way you also know how comfortable to wear they are for you.
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I find Beyerdynamics very precise. But there is one thing, which I completely dislike about those (points to similar direction of what @OopsIFly wrote): I think it quite drastically compresses or limits the low bass area, so now the balance of low and high is not accurate. If you are used to these headphones, you may can compensate this. These headphones are very good to find/set fine details, depth or elemental mixing flaws, but it really sucks for editing the bass area.
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@ffx. I don’t know to what extent the blue curve of the upper graph is true. But seeing her scared me. It is a roller coaster. Not only does it have the very serious ups and downs, but the highs are exaggerated and there is a very pronounced path in the area of highs. I do not doubt that they are heard perfectly, but to adjust frequencies while mixing a song with all the instruments must be horrible. I have not tried them, but it seems that it will be so. It will detect the most detailed sounds, I suppose, but to produce songs, it will be somewhat complicated.
I wonder why Custom Studio have that regulation system for the bass frequencies. It seems “a solution” to a problem instead of “a characteristic”. It is as if Beyerdinamics has had the habit of selling headphones with exaggerated and past bass, and has released another model (Custom Studio) that corrects that “feature”.
I guess they succeed as “studio headphones” for the price not too high and with a good marketing campaign behind, with its “30 years of history”. But that roller coaster is at least striking.
- Blue: DT 770 PRO (122€).
- Red: Custom Studio (168€). Curve much more controlled. And with manual correction at low frequencies.
…
@OopsIFly. Yes, it is best to go to a specialized physical store to try them. I live in a town where there are no these stores. So I will have to go to a store in Valencia capital (Spain), where I have the opportunity to go. But first I want to inform myself well. Do not depend only on the comments of the shopkeeper.
Oh, I only know DT880 Pro (250 ohms version):
But I believe that it is possible that Beyerdynamic always compresses the bass area, maybe they think that it is a feature or ear protection. So these curves say nothing about compression. And what I hear is compression/limitation, not eqing.