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Sennheiser HD650 Impressions Thread - Page 952

post #14266 of 21483
Thanks mcandmar, marshallmole, gideon228 and cswann1 for you encouragement! From Urbana to Ireland...redface.gif
post #14267 of 21483
Originally Posted by mcandmar View Post

One thing i can say about the Sennheisers is they are comfy, like having an ear snuggle :smile:


Dang. Now I'm feeling lonely.

post #14268 of 21483

i've owned my HD650's for about a year now.  easily the best money i've spent on audio equipment. 

post #14269 of 21483
Originally Posted by Amictus View Post

Have just ordered the HD650 and a Russ Andrews HC-2 cable. My current Q701s are musical and clear, but all the burn-in that I throw at them can't get rid of uncontrolled digital glare on upper orchestral strings in some recordings. Also, the head-band is uncomfortable on my bald head. Audiolab M-DAC + Lovely Cube btw.


I find my HD650s direct from the M-DAC headphone out (source: Mac Mini/Audirvana) deliver excellent detail and positioning. Timbral accuracy?...  the jury is still out on that one.


Look forward to reading your impressions.





post #14270 of 21483

The HD 650s arrived today. I'm still waiting for the Russ Andrews cable.


First impressions out of the box with Audiolab M-DAC and Lovely Cube from source Samsung Series 7 laptop and MediaMonkey. Warm and fuzzy with a bass bulge. Already though, there is a welcome relief from the tizz that the Q701s have. Also, there is an uncanny focus on the musical line - the sound has many faults at the moment, but it makes me want to listen to it.


After three to four hours burn-in with music and pink noise:


Wagner Götterdämmerung 1951 Knappertsbusch CD Testament SBT 4175. Poor recording. The HD 650 find the music. The Q701s are more revealing of detail in a sense, but the sound is bright, but a little starved in depth. The Sennheisers find bass frequencies which completely elude the Q701s. Both cans have merits.


And now for something completely different.


Tom Waits - 'Hold on' from '"Mule Variations" streamed from a FLAC file on NAS storage. I always loved the sound of it through the AKGs. Starting again with the HD 650s. I think that I'm getting an impoverishment of detail and a slightly imprecision in stereo detail. Warm, fuzzy and musical again. Q701s - lots, lots more instrumental detail, great clarity, more soundstage side-to-side but rather two-dimensional. The HD 650s have more warmth, passion and depth. I think that I can hear the sound improving as I listen (or is it me getting used to it?). This is on 3-4 hours burn-in.


I'll leave it at that for now. I don't want to outstay my welcome! Thanks to all of you for sharing your love of music, sound and beauty.

post #14271 of 21483

The 650 continues to improve with time and age IMO. I would continue to listen. Your description sounds accurate. Warm with passion. They are very different from your 701's. Maybe they'll make a nice complementary set.



post #14272 of 21483
Listen at different volume levels. I find the HD650s start to sound more precise if you set the right volume for the specific recording. They don't suffer from a lot of ear-generated distortion at higher volumes, but they also, I find at least, are crisper and more detailed at lower volume levels. Sometimes if you have a very warm recording, as Waits tends to have, it actually sounds better a little louder. More midrange presence. Hard to describe, just encouraging you to experiment.
post #14273 of 21483

Just give it some time, it worked wonder for me.

post #14274 of 21483

They really need 200+ hours burn-in and a good amplifier, IMO.

post #14275 of 21483

Thank you so much for your advice. I'll report more in due course - soon, actually. One thing though - these cans fit my head perfectly. They are so comfortable. It's now official. I don't have a big head.

post #14276 of 21483

Personally for me more importantly than any kind of burn in is giving the headphone enough time exclusively to get used to its sound signature and become accustomed. It is rare to be able to fully understand a headphones full capability from the first number of hours personally.


When I switch from the TH900 to say the T1 after exclusively listening to the Fostex for 20-30 hours then the T1 to my ears sounds "wrong" or at least odd to compared to what I was used to in sound signature. Likewise if I were to do the same for the T1 and switch back I may find that I'd be very attentive/conscious at first with the changes in some of the frequency range. Pretty simple of course.



YMMV as we all have our different processes.

post #14277 of 21483

5.00 a.m. After five hours of pink noise - so we must be approaching the  ten hours mark on burn-in - there are definite changes. The bass 'bulge' has gone and the bass has tightened. So has the imaging, which is now much more precise. Some hints of the famous 'veil'  on mids and treble on some recordings. The soundstage is suddenly wider - it felt very restricted laterally just out of the box. Looking forward to the cable upgrade...

post #14278 of 21483

what exactly is pink noise?


How do the HD650's physically feel? Do they feel well built and of high quality?

post #14279 of 21483
Originally Posted by dclaz View Post

what exactly is pink noise?


How do the HD650's physically feel? Do they feel well built and of high quality?

Pink noise is random noise having equal energy per octave, and so having more low-frequency components than white noise. Some people use them to "break-in" their new cans. I am sure other have more/better info on Pink Noise.


As far as the HD650's feel and quality, I think they feel very comfortable. When brand-new out of the box they may clamp a bit, but it soon goes away after some use. The build quality is pretty good too, although I have heard of minor paint chipping on the headband, but I haven't had that issue.

post #14280 of 21483
Originally Posted by dclaz View Post

what exactly is pink noise?



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