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Over-Ear item created by Mink, Apr 17, 2011
Pros - High resolution and wide dynamic range, great detail, deep bass
Cons - Super clamping force, sweat , treble dyeing
DAC: Pure Audio Lotus DAC3 (Dual ES9018 chips + XMOS USB).
Amplifiers: DIY Mark Levinson JC2.
Source: PC lossless files through USB to DAC.
Clean and good bass extension, but not thick, you can easily hear low-frequency detail, will not have a roaring sound.
A lot of details, though a bit tone dyeing, quite suitable for symphony orchestra instrumentalists, if not very concerned about the tone.
The bright tone sounds crisp but not to sharp, overtone extends quite good, not prolonged listening fatigue.
Clamping force is a very big problem, just started to wear uncomfortable, take a long time to improve, earpads wearing a long will be hot, sweat easily, I can not stand about 30 minutes, the heaphone design problem is greater than the sound quality .
Thank you for reading
Pros - Isolation! Decent build quality, nice sound, detachable cable
Cons - Clamp is high, head-band-wings, Very bright (personal preference, you may like it)
SUPERLUX HD 669
Review & comparison with HD 681-EVO.
Take what I say with a grain of salt, I have not experienced many headphones and I've only had the 669 for a fairly brief amount of time. I'll keep the review sections nice and short, so you don't have to sift through waffle.
Good. Better than the 681-EVO. whereas the EVO has plenty of glossy, pretty light & hollow feeling plastic, the 669 is all matte and feels more solid. It is a more solid feeling headphone overall, I feel like this is helped by its increased clamp and weight compared to the EVO (not a huge amount heavier, but noticable). The build is all very simple, I really don't see how you could break this unless you purposefully rip it apart (which would be very difficult). Exact same detachable cable system as the EVO, which is good, as it is a good system.
I was expecting it to be worst honestly, due to those head wings and the lack of velour pads. Obviously my 681 EVO, with its velour pads and full suspension headband, is more comfortable, but the 669 is not too bad at all. The wings are fine once you adjust them to the right length, and the high clamp is what keeps them on your head, so there is little pressure on the wings. The high clamp is both good and bad - if you are using these for professional purposes, the high clamp coupled with closed design and pleather pads will be great, since the isolation is fantastic and they do not budge from your head! For relaxing with music though, the clamp does get a bit annoying. Especially with glasses, it really pushes them into your skull after time. However, I feel like the clamp is something which can be improved by stretching the headphones out over a few days. The pads are pretty decent, I'm pretty certain they're the same as the pleather pads which came on my EVO. While they're nice and soft now, they will get harder and less comfortable after a couple months (which is when i put the supplied velour pads on the EVO).
In short, the comfort on these headphones is perfectly acceptable. Not so great if you wear glasses.
This part is the most subjective and I have not a huge amount of experience, so I will just be comparing to my 681-EVO. important words in bold, so that you can skim through quickly. Straight away, they are brighter than the EVO. I was concerned it might be kind of tinny at first, but listening to some more songs it actually grew on me. These definitely fit some genres more than others - for example, the EVO has a bassier and more full sound, and stuff like hans zimmer's inception and interstellar soundtracks sound much nicer on it, compared to the 669 which is left sounding a bit more lacking in bass. It doens't really "lack" the bass though, it just isn't as warm sounding in the low frequencies. Just as, if not more, punchy as the EVO, but still very noticably quieter than the high frequencies. I feel like the mids are also brought ahead of the bass, and to me this makes some male vocals sound a bit nasal, but maybe I'm just not used to this sound.
Acoustic, folsky stuff like Andrew Bird and Kish Bashi sound great with the 669, but like I mentioned before, music like Zimmer's soundtracks is left a bit empty sounding, and just sort of wrong... (Hans Zimmer wants his bass back). Electronic music works fine, some rock/psychedelic rock (Pond, Tame Impala) sounds a bit too bright, lacking in the warmth that they do need.
Another reviewer talked about using an EQ to improve the bass, so I tried this and it definitely improves the sound! Well, at least changes it in a manner that I liked the sound of. EQing the bass up, and the mids down a tiny bit makes it sound much less bright and nasal, and suddenly music is a bit more full enjoyable for me. Perhaps some perceived detail from the upper-mids is lost though.
Soundstage compared to the EVO is more intimate, but honestly it isn't hugely different. The EVO never had a very big soundstage to me any, especially since it is semi open so I expected it to be a bit better. I would still say that the 669 has a bit better soundstage than most other (cheap) closed back headphones.
Less important things - accessories, packaging & aesthetics
Comes in a basic box, nothing super flashy, the way the cord is wrapped around the piece of cardboard it's presented in is a bit annoying. Comes with the same accessories as the EVO, those being the 2 sizes of cable, a 1/4 inch adapter, little useless clip thing for keeping cables attached. No velour ear pads though.
This is a decent looking pair of headphones, I guess. simple and utilitarian, which I like. I can imagine it being used in a small cheap studio purely for live monitoring. It does look daft on the head though, big round cups and very wide form of the headband on your head. Not aesthetically portable at all. I've seen someone use DT 770s as portable headphones, which are pretty big for portables IMO, but even that looks a lot better than the 669.
If you like bright sound, don't wear glasses, and need isolation, then boy are these the headphones for you! But, if you don't necessarily need the isolation, and want a fuller, funner sound, the 681-EVO is cheaper and better value in my opinion. the 662/662-f is another one to look into, since it has a better headband and supposedly is more flat sounding, but that also has no detachable cable.
END OF REVIEW.
Pros - Isolation, cables, replaceable pads, clear/detailed sound across full frequency spectrum
Cons - Clamping power, default pads result in sweaty head, some EQ necessary to fully bring sound to full potential
I've had these for about a week now, and I have to say I like them more each day.
At first I was rather worried about purchasing them, because other reviews were saying that the bass was slightly subdued and the mids/highs were more prominent; I personally prefer a warmer sound, so it was a bit of a gamble buying them. However, I'm so glad I did - although at first I did feel the bass was a bit quiet, I installed Equaliser APO (http://www.head-fi.org/t/649389/a-free-parametric-equalizer-for-windows-vista-7-and-8-that-doesnt-need-asio-or-vst-it-works-inline-at-the-os-level) and after experimenting first with editing the text file, then finding a GUI (linked in the same thread), I boosted the bass to where I wanted it, lowered the treble slightly and it sounds lovely (to me) now. On my phone I use Google Music, which has a basic equaliser itself, so I did the same thing there and it's all fine and dandy.
For the price, I could not have asked for more.
Now to build a bit on my pros/cons.
Isolation. These headphones are fabulous at cancelling out the outside world, and leak very little sound.
Cables. The fact that I have a shorter 1m portable cable and a longer 3m one is great. Really useful when I'm home to have the longer one, but having a shorter one stops tangles and confusion when out and about. Although the male jack on the actual headphones is very unusual, Superlux also provide a little clip to hook the headphones to the cable, which although simple makes all the difference - often removable cable headphones can get yanked out very easily.
Replaceable pads. As you can see in my cons, the default pads were not my favourite. However, they're easily removable and transfer with any pads for a variety of AKG/Superlux headphones which are available pretty cheap on eBay. Alternatively, there is always a sock mod.
Clear/detailed sound. Using these headphones I noticed various things about tracks I had not before. Even with my bass bumped up a bit the clarity has remained in the higher frequencies, giving a clear sound picture.
Clamping power. When I first put on these headphones, I was suprised by the strength of the clamp. Being rather light, I didn't think they would clamp so hard. I had to leave them stretched over a set of books overnight to stretch them out a bit. I'm sure they'll wear in a little, but I found it a bit uncomfortable at first, though they are improving as time goes on.
Default pads. The default pads are pleather, and because of their fully isolating nature I've found my ears get a little warm and begin to sweat under the pads. I'm sure a sock mod would sort this.
Some EQ needed. As I said in my summary, I had to boost the lower frequencies using EQ slightly to get the sound I wanted. I do not feel that these headphones are lacking in bass, but the higher frequencies are certainly louder. I have tried bumping the bass way up as an experiment, and I can say that they could handle as much bass as I could give them - well, but they needed a bit of adjustment to get the bass at the same level as the mids/highs.
If you have any questions, feel free to PM me.
Pros - Sound clearity, Isolation, Detachable cable, Lightweight
Cons - No velour pads in the box
I've been using this can for a week now, and I can tell I'm really happy with it. I wanted to buy another model (Superlux HD-681 EVO) but it was unavailable in any retail shop in my country.
I'd prefer a semi-open build, because isolation could be a problem after prolonged use for me, but in the other hand it's great because you can listen music fairly high volumes without any sound leakage.
As I use it in an open office environment, I have to admit it was a good choice to go with a closed back design.
The sound clearity is great, the sound is fairly flat, hights are crispy, and the bass is deep enough to observe all the lows even in soundtracks.
Pros - Not too expensive, Flat, nice build quality, good bass
Cons - The materials are cheap, sharp treble, these cans are huge, not very portable if you want to use it outside.
So, I bought these during my birthday, though I first thought of buying the 688B and I thought the headphones were the size of a small pair.
But I was wrong. Instead of an HD668, I bought these. A really big pair of cans that you can't take out of a studio or a house.
Anyway, the first time I wore these, I already liked them. Though it takes some time to getting used to if you're used to small sized headphones or if you're not used to a sharp treble. You'll get used to them anyway.
For the design, it looks quite plain, it's just matte plastic lolz, matte, cheap, plastic to be exact.
Though this may be the case, the build quality itself is quite good actually. I've dropped it, abused it, and threw it at places and even bring it to school in a small bag.
So overall, I recommend these headphones to anyone who wants to enter the world of good audio.
Broke after some time, I guess it was because I dropped it too many times. Though I have to find a way to put back the driver unit back in its place and replace the cord.
Pros - Neutral, fast, wide and engaging
Cons - Earpads are not nice, you need to tweak the headpads
I received these when I ordered the 688b But still, I'm happy with them. Bass is somewhat subdued but still present. Highs and mids are very nice. I am listening to them now with a portable amp, tcg t-box, and they have benefitted from this. They draw me into the music. Yay,