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Superlux HD668B Review (Vs M50 and Superlux HD681F)

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Old 17-05-2011, 12:03 PM   #16
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Woodworkz is the ONLY place in SG that sells Superlux since they're exclusive. Even Jaben is pestering them
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Old 17-05-2011, 12:13 PM   #17
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More impressions vs the HD681F and the M50s
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Old 17-05-2011, 05:22 PM   #18
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the poor m50 got thrashed in this review.
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Old 17-05-2011, 06:19 PM   #19
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Damn i got the feeling i may juz buy it blindly without trying haha
I bought it blindly without trying, just based on reviews...
My 1st headphone btw..
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Old 17-05-2011, 06:22 PM   #20
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I bought it blindly without trying, just based on reviews...
My 1st headphone btw..
Report in your impressions then the more reviews the better
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Old 17-05-2011, 07:38 PM   #21
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small update on my 668B...

the tone for its mids are alot more smoother and... somehow i can feel the music running thru my ears like water running in a small river, not to fast/aggressive and not too slow/boring. in fact it is very natural now.

for its highs, thank god, yes u really need to burn in this cans for god damn long. the highs are alot more tame and stable, and if urs are as burnt in as mine, a minor reduction of the eq on the 13k~16k will actually suppress the "HISSSSSSSSSING" sound. btw i actually liked the hissing sound lol!

and for its lows, after long burning in, i feel the bass is alrdy lacking. punchy as it is but the bass is kinda saturated and not rich enuff. but thru EQ-ing, up the 80/105Hz will do to bring back the slightly richer and natural bass.

last but nt least, my 668B has finally matured =D and im calling my 668 She/her (basically feminine gender)...

Meine Superlux 668B =D
now she gifs me eargasm, without fail.
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Old 18-05-2011, 09:00 PM   #22
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Moar impressions now, I'm actually liking my M50s more now. Too analytical the HD668Bs are...

After even MORE listening, the M50s sound much more fun yet analytical at the same time, a very nice combo as compared to the cold and boring Superlux HD668B. However, I still feel that the detail retrieval between the two cans are very equal, with the Superluxes being more forgiving with .mp3 recordings. The bass on the M50s sound smoother than the HD668B and as I said before extends deeper, giving more boom and depth to the lower frequencies. Unlike ljokerl's impressions however, I'm detecting that both lower and upper mids fall short in comparison with the HD668B, with the latter being clear, sharper and more fun to listen to.
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Old 19-05-2011, 06:48 PM   #23
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lol okay MASSIVE REBOOT HERE PEOPLE XD

I guess I got the excitement of getting THE HD668B get to my head... sorry my poor M50s

Okay, now the review is much more neutral and unbiased. Share your thoughts please
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Old 20-05-2011, 11:27 PM   #24
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My 668b just arrived.....

It came in a beautiful box....


The packing is superb too..


Closer look at the drivers...nice!!


Did a quick test on my muse01 system... Good detail separation.. And like many had said .. the high ish ...




Let it run in for 50 hrs bah....


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Old 20-05-2011, 11:51 PM   #25
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brythng: you may want to try modding the M50 by removing the acoustic pad to give it a wider soundstage.

Madcap: many thanks for the pictures.... I almost pulled the trigger, until some1 mentioned the downside of listening it to female vocals. And i was put off by the highs of the 681F....

Perhaps owners of 669 can share your impressions? is the highs as bad as they claim?

BTW, i just modded my Panasonic HTX7 by taping some of the "holes." the bass is more controlled, thus the details are more revealing.
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Old 21-05-2011, 10:07 AM   #26
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For those who dislike the highs and neutrality of current superluxes, wait for these! Woodworkz should be bringing them in soon

http://www.headfonia.com/the-new-sup...and-the-hd660/
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Old 21-05-2011, 02:47 PM   #27
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brythng: you may want to try modding the M50 by removing the acoustic pad to give it a wider soundstage.

Madcap: many thanks for the pictures.... I almost pulled the trigger, until some1 mentioned the downside of listening it to female vocals. And i was put off by the highs of the 681F....

Perhaps owners of 669 can share your impressions? is the highs as bad as they claim?

BTW, i just modded my Panasonic HTX7 by taping some of the "holes." the bass is more controlled, thus the details are more revealing.
Yeah, I did borrow my friend's pads which have the thin padding removed, but I heard little or no difference in soundstage and sound...

Female vocals need a smooth sounding pair of headphones. The M50s do exceptionally well in this area
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Old 21-05-2011, 05:08 PM   #28
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I tried the 669 today. I believe the SS of superlux (668B, 681F & 669) is seriously for the studio use. Because it is so analaytical. The highs are simply amazing.

I tried to EQ all of them, can seemed to find a suitable EQ to tame the highs. Having said that, maybe I should try with a "warmer" DAP like th sony x or sansa fuze.

The J3 and iMod is not exactly very friendly towards the superlux, at least those that i tried with.

But I must say, they are very value for $. The price vs performence ration is 1 hell'a reason to get them. They are also very comfortable.
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Old 21-05-2011, 05:24 PM   #29
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I tried the 669 today. I believe the SS of superlux (668B, 681F & 669) is seriously for the studio use. Because it is so analaytical. The highs are simply amazing.

I tried to EQ all of them, can seemed to find a suitable EQ to tame the highs. Having said that, maybe I should try with a "warmer" DAP like th sony x or sansa fuze.

The J3 and iMod is not exactly very friendly towards the superlux, at least those that i tried with.

But I must say, they are very value for $. The price vs performence ration is 1 hell'a reason to get them. They are also very comfortable.
im using J3 too, the highs for my 668B are very tamed and perfect. now my teresa teng sings very sweetly and beautifully.

for my J3 my highs are 11.4k, +3
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Old 21-05-2011, 06:47 PM   #30
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Got my HD668Bs (finally ). Haven't really burned them in yet, so here are my impressions.

Accessories: 1m cord, 3m cord, 1/4" adapter, cable clip

Build quality
The plastic feels solid, yet light at the same time. It uses the same wing design as Audio Technica, with an AKG design on the cups. It's lighter than the M50s, which is built like a tank and feels like one too, though the HD668B is heavier than the HD681F. The material feels very nice and sturdy. Definitely not worth $50 with the amount of work and materials used in these cans...

Comfort
Sits very nice on my head. Clamping force is tight, but not overpowering. Keeps the drivers nice and close to my ear

SOUND QUALITY
SQ sounds very Beyerdynamic. Light bass accent with amazing detail retrieval.

Highs
Highs sound... how to say... grainy. Not overly grainy, but with high frequencies the graininess is noticeable. Sharp and crisp with a side serving of lush.

Mids
Forward, but not too in-your-face. Electrical guitars sound amazingly smooth, acoustics sound clear as crystal. One peeve about this aspect is that it could be a little more forward. Not too much, but enough to hear the air in the strings

Bass
Reaches down nice and deep. The quantity is there, though definitely not for bassheads. Clarity-wise, it's tight and quick. Reverb does exist, but in low quantities and only in the very low frequencies.

VS Audio Technica M50

Famous as one of the best beginner cans around, the M50s have been praised for being analytical with a fun side.

Highs

To my ears, the HD668B's detail pickup is on equal footing with the M50s, the HD668B having sharper (is that the right word? Opposite of warm anyway) sound, while the M50s has a lush and smooth sound, better for vocals and wind instruments and isn't as harsh-sounding as well. Graininess on the HD668B is more prominent that on the M50s, but the grains are little are do not affect sound quality noticeably.

Verdict: It's all up to preference on this aspect. Personally, I prefer the smoother sound of the M50s, but others may find the sharper nature of the HD668Bs being more of their taste. Not exactly sharp-harsh, it's more of a sharp-clear sound.

Mids

Mids are noticeably clearer on the HD668B. The M50s feels like there's a thin veil over the sound, while the HD668B is crisp and sharp. According to my ears, the sound signature of the HD668B is slightly to the warm side, with sharpness existing in the higher frequencies (giving the illusion of harshness). The M50s are much more warm-sounding and has a lush feel to it though. Don't get me wrong; the M50's mids aren't bad per se, but when compared to the HD668B they feel a little... lacking.

Verdict: The HD668B wins on this aspect. Guitar sounds sound much more clear and sharp and is tight and quick. The M50s have smoother mids, but isn't suitable for electric guitars but probably works better on overdrive guitars. Again, people may prefer the slightly muffled, smooth mids as compared to the HD668B's tight, sharp and clear mids.

Lows

Bass-wise, the M50s definitely win in extension, but is boomier and has more reverb than the HD668B. The HD668B has slightly less bass than the M50s though, but it's only a slight difference. The bass on the M50s sound smoother than the HD668B, giving more boom and depth to the lower frequencies, though the HD668B's bass is significantly tighter.

Verdict: Not much say to this. The bass on the M50s is more fun and is nicer to listen to, but the HD668B has more impact. Of course, the M50s bass are notorious for having little bass impact...

Still though, my vote goes to the M50s on this aspect.

Soundstaging

The HD668B definitely has a much bigger soundstage. The M50s sound much more forward and the sound is much more focused than the Superlux. However, the HD668B sounds more natural and spacious, while the M50s sound somewhat closed in. Then again, it's a battle between semi-open and closed...

Verdict: Hands down the HD668B. Let's face it, the M50s are still closed cans, and nothing is going to change it. Though, the M50's soundstage is pretty good for something from a closed can.

Instrumental separation

Instrumental separation-wise, the HD668B does significantly better. The M50s sound congested and narrow, while the HD668B sounds spaced and natural. Drums and distortion guitars bleed in too much with each other and the rest of the instruments (other than vocals) on the M50s while the HD668B works very well with bands and orchestral songs.

Verdict: Another point for the HD668B. The M50s may be great all-rounders, but against the Superlux's strong point the winner becomes clear here.

General sound signature

The M50s sound much more fun yet analytical at the same time, a very nice combo as compared to the cold and boring Superlux HD668B. However, I still feel that the detail retrieval between the two cans are very equal, with the Superluxes being more forgiving with .mp3 recordings. The bass on the M50s sound smoother than the HD668B and as I said before extends deeper. Unlike ljokerl's impressions however, I'm detecting that both lower and upper mids fall short in comparison with the HD668B, with the latter being clear, sharper and more fun to listen to.

In short: the HD668Bs are more analytical, sharp and clear, while the M50s are much more laid-back, smooth and has slightly neutral sound. The M50s are also have a significantly more full-bodied sound, very well-layered and nuanced.

VS Superlux HD681F
The Superlux HD681F is a variant of the Superlux studio monitoring series. It's more mid + high accented than the HD668B and has significantly less bass.

Highs

The HD681F extends further up the spectrum, so much so that some may call it a little too much. Versus the HD668B, the highs are shinier and vocals sound more forward, with acoustics sounding clearer and nuanced.

Verdict: It's more towards preference for this aspect. Personally, I would go for the HD668B for its slightly more balanced highs, but that's just me.

Mids

Mids-wise, the HD681F is an improvement to the HD668B. They're slightly more forward, perfect now actually if not for the slightly far-reaching highs overpowering the mids a little. In the end, I feel that the battle mids-wise ends in a draw...

Verdict: Again, it's up to your taste. Personally, I prefer the HD681F's portrayal.

Lows

Bass-wise, the HD668B extends deeper and has more reverb balance, but the HD681F is tighter and quicker.

Verdict: I think the HD668B has better bass. The HD681F's bass is lacking a little and could do with some reverb to make it less metallic sounding.

Soundstage

Soundstage-wise, the Superlux HD681F is more natural and spacious. Eric Clapton songs and Hotel California live sounds absolutely lucious on the HD681F, with acoustics sounding much more extended and sharp than the HD668B. The HD681F sounds more forward in the middle and higher frequencies, but background ambience and atmosphere sounds VERY wide and very natural. The HD668B sounds more like a semi-open, wide soundstage but with the slight warmth of a closed can, while the HD681F sounds more like a true open can, with only hints of closed can signatures.

Verdict: Frankly, the HD681F sounds better. It's more natural, important sounds are pushed more forward while ambient and background sounds sound spaced away and immerse around you very nicely.

Instrumental separation

Instrumental separation-wise, the HD681F wins, but only by a slim margin. Instruments sound slightly more individualised in the HD681F than the HD668B, and melds a bit less with the rest each other. Soundstage and detail pickup in the higher frequencies still remain as the selling point of the HD681F.

Verdict: I prefer the HD681F more, but the difference is very minute. I guess this ends in a draw

General sound signature

Overall, the HD668B is much more balanced, but the HD681F sounds more natural if not for the slightly shiny highs. The HD681F is more suited for live music while the HD668B is balanced and fits any kind of music, with the exception of energetic music.

Conclusion
Imagine when AKG and Audio Technica had a b*stard love-child raised by a Beyerdynamic. According to charts, the HD668B has a similar frequency curve as the Beyer DT990, and I can justify it with my ears.

This kind of quality for $50... it's just unbelieveable.
how many hours did you burn in your 668B?
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