Quote:
Originally Posted by
Zombie_X 
AKG really have gone down hill and all their modern headphones have that typical Harmon Kardon house sound, being bright, mid centric, and bass light. All their vintage headphones are far better in every way. The K1000 sounds amazing in everyway and it was discontinued. Same will the K501, and is in my opinion, AKG's best headphone ever produced.
I don't have much faith in them anymore and if they came out with a new flagship model it will most likely sound like a bigger K701.
As you know I've owned many AKG headphones (K240M, K240S, K400,K501, K601, K701, K702, Q701). Among them all my favorite ones are the K400 and K501. Here are some observations from my own listening.
- The K400's are very nice and are quite warm with a slight bump in the treble and they have a huge soundstage. They have a more pronounced bass response and it does sound good.
- The K240M are very warm and I did love them when I had them. They had a nice warm midrange with subdued treble and nice bass that was slightly emphasized.
- The K240S is the lower impedance version of the K240M. It sounds largely the same as the K240M, but has more bass. IMO it's performs better than the K240M on a lot of gear, but when the K240M is driven properly it stomps the K240S.
- The K501 is the best IMO and has a very natural sound and warmer mids that are so realisitc. The treble is also quite smooth and never fatiguing. The bass is also quite nice but rolls off a tad early. The soundstage is the biggest I have ever heard, maybe even bigger than the HD800.
- The K601 is a step back and although it is still a good headphone, it is not better than the K400 and K500. It is better than the K240M, but has somewhat anemic bass, warm mids, and smoother treble. The thing is that the detail does not batch the K400 and K501.
- The K701 or any models based upon it has a artificial sounding soundstage. The treble is brighter and not all that detailed compared to the previous models. The mids are funky and sound off as hack. Really my whole rant on them is in the spoiler tag below.
K701 Model Series Rant (Click to show)
All the K701 variants sound the same, even the Q701. The Q701 doesn't sound any different than the K701 or K702 at all! Not to sound rude or anything but you are fooling yourself if there is a improvement with the Q701 over the other models. I heard the issues I had with the K701/K702 were fixed but alas they weren't. The K701 is a great headphone no doubt but it has obvious issues that need specific synergy to fix. Such issues are with the mids being "off" and sounding artificial. The mids sound like they are forced to sound neutral. The treble is another issue and is just bumped up a notch or two. It makes the sound more detailed.
The K501 just sounds more coherent than the K702 to me. It does everything right that the K701/K702/Q701 does wrong: bass, mids, treble, and soundstage. Oh wait a tick, it does everything better!
Man, your impressions of all those headphones are so different than mine. I think I stopped going by listening impressions so much because they're so different than what I hear. Nobody ever can seem to agree on what a headphone here sounds like. Everyone here doesn't have the same ears or hears anything the same way. Sometimes, but it seems rare.
The K400 I felt had way less bass (even less sub-bass) than the K601/K501, was less detailed than the K501 and had a smaller soundstage than the K501 (by far IMO). The K601 definitely felt much warmer and had fuller sounding mids. I think many here use K601 pads on the K400 just to get more bass from them. I do agree the K400 has more forward mids and more treble than the K501. K501 felt more balanced.
K601 to my ears is better than the K702 for specific music. K702 is technically better, but I preferred the Q701 to the K601. K601 I still like to listen to, but it's often too warm and doesn't have enough detail. Not as clear as the Q701 and has this weird treble and upper mids peak somewhere. Sound clarity i good, but not up to the Q701 level. I think the K601 has the best bass between the K400, K501 and Q701.
Not to be rude, but I'm baffled by how anyone can think the Q701 and K702 can sound the same. You have to use the stock cables. I mean, to me it's very easy to spot the differences. Maybe you didn't try a big enough variety of music. With some music I can barely tell the difference between my KRK KNS-6400 and 8400
Maybe you should have compared them longer? We'll know facts soon as to what causes the differences. There's now at least 4-5 people who feel they sound much different. They're now almost as warm as my K601 and the mids are much fuller sounding. This is with any amp.
I'm not trying to preach and say I'm right, but saying i'm just "fooling myself" is annoying to hear you say. As if my brain suddenly makes this stuff up. I find it amusing how I can go almost 3 months with the Q701 and have zero complaints, but with the K702 it's only a week or two, if that. Something about that headphone always seemed to annoy me. Within the next year we'll see how many more people can compare them. I think there's now more people who felt they sound much different than those that don't. Doesn't really matter. Female vocals also sound pretty bad on the K702, but on the Q701 they're quite good. If they weren't I probably would have sold my Q701. Then there is this bizarre treble issue on the K702 I don't have with the Q701. You're probably less sensitive to the treble on the K702 though. I would have kept the Q701 if just that alone was the only improvement.
BTW I'd say there is a 10-15% improvement of the Q701 over the K701. If that's no difference to you, then ok...Q701 to my ears is just a much improved K702. It won't make anyone who hates the K702 suddenly love it. It's quite possible though.
If anyone is trying to decide on the Q701, just ignore all of us and compare them with your own ears. That's what I did. Had both at the same time. Same setup and everything.