Whewy! That is a fine looking stack, headphones, and rack.
Whewy! That is a fine looking stack, headphones, and rack.
I was thinking of washing my K701 pads, so I decided to put the stock pads back onto my K601 in preparation. I noticed a greater change in the sound than the last time I swapped them around (a long time ago now, perhaps even with my old amplifier), so I decided to test them again.
After a lot of listening with both, I've decided to keep the K601 pads on. My overall conclusion is that, to me, the K701 pads actually seem to give the K601 more of a closed sound. This would seem to make sense given that the K701 pads have stiffer internal foam (potentially reducing sound leakage) and are angled (making more of a seal with my head). When my computer is on and I'm not playing any music, the fan noise is slightly quieter with the K701 pads, which also agrees with this.
Whilst the angle of the K701 pads positions music more to the front of the field, I'm actually finding that the size of the sound-stage is reduced when compared to the K601 pads. There's more of an openness to the music when using the K601 pads, with a greater sense of space, and I generally prefer this trait. The prominence of the bass is increased with the K701 pads, however to me the pads seem mostly to boost the upper regions of the bass, making music sound more boomy. This boom can actually encroach on the mid-range if the music has particularly heavy bass, which makes things less engaging for me. Changes in treble have been harder to identify, though especially with recordings of a brighter nature, I think the K701 pads actually remove a bit of sibilance. It's possible the more open nature and reduced bass of K601 pads is giving me that impression though, but either way the difference doesn't seem as great as with the bass.
When you add all of these factors together, for me, a little of the K601's magic is lost when using the K701 pads. However, if you're looking to flavour your K601, the K701 pads are a relatively inexpensive option, so might be worth a try.
Note: I purchased my K701 pads as separates back at the end of May 2009, and I do not own, nor have I heard the K701.
Guys I gave up, I returned the K612 Pro!
Although I was enjoying the clean and precise sound, I was fed up of trying to understand if they were faulty or was my amp not working.
I bought them for the low price and the relatively low impedance, which made me think that I had no problem to drive them.
If I have to buy a headphone amp, then I will chose exactly the headphones I like.
More specifically I had the impression that for my personal tastes the K612 where too "cold", somehow lacking impact especially on the bass.
I want to try something warmer, more involving and as I was still on time to return them, I did!
I hope I will not regret the decision...
Yeah, I hope they work out for you. It can take a while to find exactly what you want. It's a matter of trail and error with headphones, amplifiers, and dacs and the synergy between the three. And trying out different sounds to see what you like the most. A lot of it is simply trying to find the right headphone for your system, hopefully the HD 650 likes your system a lot.
For example I found my system to absolutely love the K612, they sound simply divine on it, while say the HD 650 when I tried it on my system wasn't that good of a match, it sounded weird and off on my main amp, yet when I tried the HD 650 on the Magni it sounded really good.
Hey, anybody offhand know how to open these up (specifically, K601, but I'd think they're similar)? Twist the back grille out and then... or...? I mean on the cable entry side with the wiring, not the pads and driver side.
After a few too many accidental hard tugs on the cable over the years, the sound is cutting on and off on the left side but comes back after a slight adjustment of the cable. I'm pretty sure it's just some wire(s) fraying on the joints at the headphone side, so a solder / small termination recable / something kind of fix should do it.
I opened my 702 last week. It involves rotating the silver end-cap counter-clockwise. Most people stick a small piece of metal into two places in the cap and then twist. Just a word of warning: It can take quite a bit of force to twist. Mine took so much force that I elongated the two holes I was using to open them. It would be better to find a more gentle method of gripping/twisting the end-caps.
Yeah, got it, thanks (after scratching it up a bit). Sure enough, the ground connection for the left channel was pretty much gone and the lightest tug broke it completely off.
Unfortunately, my $5 fleabay soldering iron seemed to be oxidized past the point where I don't even want to bother trying to get it in order, so the headphones will have to wait until I can get a replacement for that.
So guys I received the HD650 and had a few minutes to test them in parallel to the K612 Pro which I'm sending back in an hour...
It looks like I finally found what I was looking for!
As a general comment l can totally agree with kman1211 in saying that the two headphones are definitely in the same league, the rest is a matter of preference.
And speaking about preference here are my comments:
- Build quality (or better, "touch and feel"): good in both cases, although not outstanding.
- Comfort: the HD650 pads are softer, but the pressure on the ears is higher than the one of the K612. Overall I felt the K612 lighter and more comfortable.
- Design: The K612 are beautiful in my opinion, for my tastes they win hands down!
- Sound: now I understand why the HD650 are loved by so many people. I found exactly the kind of sound I was looking for: warm, involving but at the same time precise. The highs are rich and crisp but they never become "invasive" (as IMO in the K612) and there is no sign of sibilance (again, IMO like for the K612). The basses are clearly more present than the K612 and help deliver a more involving sound.
One last comment abut the problem I had to drive the K612 with the headphone amp of my Pre/DAC: although the HD650 have a higher impedance (300 Ohm vs 120 of the K612) the situation has clearly improved. By the way the HD650 go decently loud even with my Macbook Pro!
I can now relax and take some time to evaluate if I will want to try a dedicated headphone amp...
Final comment: the best compliment I can do to the HD650 is that they make me always ask for more listening... A good sign, I would say!
How deep are the k612 cups? Are they about as deep as the dt770 gel pads? Deeper than the sound magic hp100 pads?
And what is the diameter of the pads like compared to the hp100 and dt770? Larger or smaller and by how much?