Prioritizing quality of output over profits? Blasphemy.
I donât even read their reviews, sorry. I know their measurements are excellent, though.
5 different people with microphones in their ears to get an average + the plastic head, etc etc.
Was thinking about investing in a head just for fun but thatâs kinda alot for someone who kinda values the actual sound over measurements lol
Although audiophile asmr would be something I could ruin peoples day with
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lol @ audiophile asmr
Binaural Asmr: absolute sound salesman tries to sell you a $4k power cable while whispering the benefits of high end cables in your ear
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HD58X final review: Smooth, full perfection. Pure, unadulterated music.
Warning: Bad seal = bad sound. For the first week, the HD58Xs were really shrill to my ears, and lacked bass/sub-bass. It made no sense, because the bass/sub-bass is already (according to the mass/drop graphs) boosted. But as you can see in the rtings graph⊠Sorry, itâs not. I went to bed one or two times telling myself âman, Metal571 was right about the grainâ. But one day I twisted the metal (not 571) headband a bit to get a better âsealâ around my ears. Then, I put the HD58Xs over something to crush the pads overnight (heresy!). Annnd it fixed everything. The bass is there and the highs are not harsh anymore. At all. Just beautiful detail. Anyway, hereâs the review.
First: Everything, everything sounds fuller with these headphones.
-Bass: Extends all the way down, and (with a good âsealâ around your ears) you get accurate, deep bass and sub-bass. Iâd be lying if Iâd say they have accentuated mid-bass. IMHO, theyâre bass-boosted to compensate the fact theyâre open-back. I believe you need to âtiltâ frequency response graphs a bit for open-backs (-5dB less bass) and closed-backs (+5dB more bass + kick âslamâ).
-Mids: Remember, theyâre based off the (discontinued) HD580 âPrecisionâ headphones, which were Sennheiserâs take on âthe most neutralâ headphones. The graph shows they were, and still are, pretty much spot on â dare I say, more âspot onâ than ever, actually â especially if you look at the 10khz-to-20khz region.
-Treble: Accurate treble, extends all the way up. Even higher than 20khz. (No, I canât hear that â but diy-audio-heaven measured it. Where most headphones, today, start âfailingâ at 10khz, these start âfailingâ⊠at 20khz). So, uh, if youâre a human, youâll hear everything. This can be a problem: All the damn recordings with boosted highs will sound harsh. Yup, âgrainyâ even. HD58X have excellent detail, but cymbals harmonics arenât meant to be heard, god dammit. Lol.
Soundstage: âShoulders wideâ, more or less. I feel like Iâm in the studio, or on the stage. I never knew mp3s could sound like that.
Detail retrieval: I know when I listen to 128kbps mp3s now. I notice somethingâs wrong. Media player on shuffle, trying to enjoy a song: âhmm, somethingâs missing â oh, is it 128kbps?â, and yes, it is. It happened to me multiple times now. The cymbals are screwed up, the singers sound thin, the bass isnât as extended as it should be. Compared to my Sennheiser HD280s, my Fostex T50RPs, my KZ ZS10 Pros, everything sounds fuller with these headphones. Multiple times fuller. And because theyâre so neutral (harman curve), you donât have to concentrate to hear anything. I mean, Iâm shocked. I pictured myself throwing my HD280 Pros in the garbage after A/B-ing a song⊠from youtube.
Finally: Theyâre definitely, definitely worth their price. Excellent tool for home studios, but even excellenter (sorry) headphones for people who love music. Pure, unadulterated music.
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Also, pardon my french if I screwed up the english language.
-Le Déchaßné 
thanks for the detailed summary of your exp. I cant wait for mine to arriveâŠ
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Oh man I want to get these. A relative of mine has the 6xx and I tried them and loved the amount of detail they had. Just incredible. I would have liked a touch more bass and it sounds like these have that tiny extra bit. I donât know if I will ever have the money based on the other things I am saving up for though lol.
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Yup, people who have both 6XX and 58X sometimes prefer the 58X for this reason too. 
Also, IMHO itâs way easier to get used to âa bit more bassâ than âa bit more trebleâ, too. Itâs the safe choice. Treble can be damn annoying, fatiguing, can hurt your ears, can trigger tinnitus, etc., and with a bit more bass from your headphones, you can also âsafelyâ enjoy some modern recordings with too much treble.
The 58x is pretty much more extended in the low and high end, and also easier to power correctly. Slightly more fun sound signature as well imo
Yeah, I can even power these with my Samsung Note 3, heh!
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Now Iâm going to have to find my old Note 3 and see how it powers some of my headphones.
There is no question it powers the 58x well, Iâm just curious how it actually performs as an audio device now that you mention it.
No worries, I can even power my T50RPs with my Note 3. Barely, but I can. 100% is too loud, one âclickâ lower is okay. Lol.
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Received my HD58Xâs today. I just started listening to them using my Nano BL and Spotify⊠Best $380 I have spent in a very long time⊠Jeeeze I have not heard music this way in many many yearsâŠ
I am guessing they will get better after some break inâŠ
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I found these didnât need break in. Just more break in in your head really. But then again I donât believe in break in soâŠ
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The pads break in and get more comfortable after a bit of use. And the clamp lessens
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ooh I I was mistaking burn in with break in
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Was listening to these again the other day after extensive listening with the Phantoms and DT1990s and I immediately noticed grain on them. Its gone away now. Was I imagining it or are these headphones ever so slightly grainy?
They got treble. Treble above 10khz. Neutral/natural treble extending all the way to 20khz+ and more. Something basically no headphones have. So it will sound âgrainyâ if the seal isnât perfect, if the headphones arenât tight enough on your head.
Leave them on a yoga block for 4 hours and youâll never hear the grain again. 8 hours and theyâll sound âtubeyâ.
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