wink Posted April 23, 2012 Report Share Posted April 23, 2012 Johnwmclean's B22 and HD800 were wonderful driven off his buffalo II Dac. One of the cleanest and detailed systems I've heard. In clean, I don't mean it had the life sucked out of the music. Sparkling presentation. Like a fresh morning view of the countryside on a clear frosty morning..... When the air almost sparkles, it's so clear. Quote Link to comment Share on other sites More sharing options...
HeadphoneAddict Posted April 23, 2012 Report Share Posted April 23, 2012 It's odd because I've heard the mids on the O2 have a sucked out, almost hollow sound when paired with the wrong amp. That also seems like a distant sound. But I don't think it's quite what is going on here with the HD800. I also notice that I tend to listen to the HD 800 at lower volumes. That's not what I've found to be honest and the number back this up since the midrange is the most benign load for any amp. Over blown bass, check. Distant and rolled off highs, check. Very compromised sound stage, check, but the midrange always shines through. Could just be me and the small issue of me falling hard for the 007 even off my old SRM-313... Birgir, I agree, the O2 Mk1 mids are pretty good regardless of amp and are never hollow sounding, while the bass and highs can be as you describe when under-driving the O2. I think their upper mids are not as present or strong at times, but the lower and middle midrange always seems provide good body and weight/fullness to instruments in that region. I have heard some headphones that have a hole in the 250-500Hz range (Proline 2500, Darth Beyer) that just don't sound right in the mids and make pianos and saxophone sound hollow. The O2 never do that for me, but I have heard something like that in my SR-Lambda Pro both times I owned them. Relatively speaking I found the O2 Mk2 (SZ2 series) are more forward sounding in the mids and less dark in the highs when underpowered, and sometimes too upfront or shouty for me until I did your recommended ear-pad spring mod. With my old Woo GES or a borrowed SRM-T1S I thought the modded O2 Mk2 were a little better match than my Mk1. I haven't heard the SZ3 series O2 yet. Quote Link to comment Share on other sites More sharing options...
The Monkey Posted April 23, 2012 Author Report Share Posted April 23, 2012 Maybe I'm referring to mids as something they aren't. I noticed the "suck-out" out of the GES, the SRM1/MK2, and a rig where the source was a cary CD player. Maybe it was mid-bass I was hearing sucked out. Or maybe I just heard suck? Quote Link to comment Share on other sites More sharing options...
dsavitsk Posted April 23, 2012 Report Share Posted April 23, 2012 the source was a cary CD player. Maybe it was mid-bass I was hearing sucked out. Or maybe I just heard suck? ftfy Quote Link to comment Share on other sites More sharing options...
catscratch Posted April 23, 2012 Report Share Posted April 23, 2012 (edited) I've heard distant mids out of the O2 before as well, with some gear. I don't have too many inadequate amps to play around with but with some sources that's definitely been the case. With other sources though that's not the case at all. The O2 pairs particularly well with the Neko D100 IME precisely because the mids aren't distant or laid-back in the slightest. I'm guessing that has more to do with the source than the O2 though since looking at the FR the mids should be emphasized, if anything. Also, the SR-X Mk3 Pro is the solution to all of your lifeless midrange problems. Edited April 23, 2012 by catscratch Quote Link to comment Share on other sites More sharing options...
HeadphoneAddict Posted April 24, 2012 Report Share Posted April 24, 2012 Maybe I'm referring to mids as something they aren't. I noticed the "suck-out" out of the GES, the SRM1/MK2, and a rig where the source was a cary CD player. Maybe it was mid-bass I was hearing sucked out. Or maybe I just heard suck? Have you tried the O2 Mk2, since they have more midrange presence than the Mk1? Quote Link to comment Share on other sites More sharing options...
The Monkey Posted April 24, 2012 Author Report Share Posted April 24, 2012 Have you tried the O2 Mk2, since they have more midrange presence than the Mk1? Yes. Quote Link to comment Share on other sites More sharing options...
HeadphoneAddict Posted April 24, 2012 Report Share Posted April 24, 2012 Yes. Umm, what did you think of them? Still sucked out? If yes, get the SR-5NB gold edition, SR-Lambda, LNS, SR-X, or SR-009. Quote Link to comment Share on other sites More sharing options...
The Monkey Posted April 24, 2012 Author Report Share Posted April 24, 2012 No. Go back and read my posts. I have no problem with the O2 mk1. It's my favorite headphone and sounds great out of my KGSS DX. I think it sounds like it has hollow mids on some systems. Full stop. End of problem, end of analysis. EDIT: But thank you for the recommendations. Quote Link to comment Share on other sites More sharing options...
The Monkey Posted April 24, 2012 Author Report Share Posted April 24, 2012 I don't like them either, and it's not just because they're Sennheisers. They're technically a good headphone, but I find them boring and a bit lifeless. I don't like that Steve and Jim don't like them. Quote Link to comment Share on other sites More sharing options...
HeadphoneAddict Posted April 24, 2012 Report Share Posted April 24, 2012 No. Go back and read my posts. I have no problem with the O2 mk1. It's my favorite headphone and sounds great out of my KGSS DX. I think it sounds like it has hollow mids on some systems. Full stop. End of problem, end of analysis. EDIT: But thank you for the recommendations. Okay, I understand now. Until I misunderstand the next time. Quote Link to comment Share on other sites More sharing options...
The Monkey Posted April 24, 2012 Author Report Share Posted April 24, 2012 Okay, I understand now. Until I misunderstand the next time. Fair enough. i believe I crapped this thread anyway... Quote Link to comment Share on other sites More sharing options...
Tyll Hertsens Posted April 24, 2012 Report Share Posted April 24, 2012 ^^^It's what monkeys do. Quote Link to comment Share on other sites More sharing options...
Currawong Posted April 24, 2012 Report Share Posted April 24, 2012 I'm tempted to go for a second run with them. Something about having tubes handy again this time. Seems there was a lot of variation in the FR of pairs going by the graphs people posted on HF. My pair had the nasty peak at 6.3k. They drew the short straw though with Stax, Magnums and LCD-2s present. I should finish building these damn 'stat amps though... Quote Link to comment Share on other sites More sharing options...
Cee Tee Posted May 1, 2012 Report Share Posted May 1, 2012 Some of the newer (#14XXX) Senn-supplied FR graphs do look better than my #88XX at 6k...would like to listen to a pair. Quote Link to comment Share on other sites More sharing options...
rogue Posted May 3, 2012 Report Share Posted May 3, 2012 I had a pair from one of the first batches, bought right after release, and found it too bright and fatiguing to comfortably live with. Ended up selling it within a few months. As such I'd be curious to hear one of the newer ones to see if they've toned this down a bit, although I seriously doubt it would supplant my O2 MK1. Quote Link to comment Share on other sites More sharing options...
Dreadhead Posted May 3, 2012 Report Share Posted May 3, 2012 Now you guys are piquing my interest. Does Tyll have measurements showing the change? Quote Link to comment Share on other sites More sharing options...
Tyll Hertsens Posted May 3, 2012 Report Share Posted May 3, 2012 Nope. Not that there may be one, just haven't dug for it. Quote Link to comment Share on other sites More sharing options...
wink Posted May 3, 2012 Report Share Posted May 3, 2012 I'd be a bit more interested if the Anaxilus mod wasn't so effective in squelching the treble. Quote Link to comment Share on other sites More sharing options...
Nebby Posted May 3, 2012 Report Share Posted May 3, 2012 You can adjust the mod to taste, that's the beauty of DIY Quote Link to comment Share on other sites More sharing options...
morphsci Posted May 3, 2012 Report Share Posted May 3, 2012 The beauty of the OII is it does not require modification. Quote Link to comment Share on other sites More sharing options...
Nebby Posted May 3, 2012 Report Share Posted May 3, 2012 The beauty of the OII is it does not require modification. Unfortunately for me, that's a beauty that I don't have Quote Link to comment Share on other sites More sharing options...
jpelg Posted May 3, 2012 Report Share Posted May 3, 2012 Wouldn't this supposed change show up on the FR graphs provided with each unit? Quote Link to comment Share on other sites More sharing options...
Nebby Posted May 3, 2012 Report Share Posted May 3, 2012 Wouldn't this supposed change show up on the FR graphs provided with each unit? That's what people are commenting on. The FR charts provided by Sennheiser seem to indicate that the newer units don't have a peak around the 6khz area Quote Link to comment Share on other sites More sharing options...
Dreadhead Posted May 3, 2012 Report Share Posted May 3, 2012 The beauty of the OII is it does not require modification. To me they do.... Quote Link to comment Share on other sites More sharing options...
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