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Sennheiser HD650 Impressions Thread - Page 108

post #1606 of 36903
Quote:
Originally Posted by Dibster View Post

So I got my pair of HD 650's and they sound nothing like I've been reading all these years. They do, however, sound how people are describing the "upgraded" version of the phones that supposedly came in around end of 2007.

 

I'm comparing the phones to my K701's. I'm running both phones through the Asus Xonar Essence STX soundcard with FLAC files. Amping is done by a Heed Canamp.

 

The 650's are much brighter than my K701's. The K701's focal point in the treble was around 8k, while with the Senns it seems to be around 15k. There isn't a sign of the Sennheiser Veil that was very present in my old HD570's. They've hardly got more bass than the K701's, quantity-wise, though there seems to be more impact and lower extension. The bass isn't sloppy at all, it's just as tight as my K701's to me. The lower mids are warmer and more present on the HD650's, and the upper mids are less in-your-face. I prefer the 650's for everything except the treble, which I find somewhat hissy or shizzly, on the 650's. Cymbals seem to have more body on the K701's.

 

The 650's have only had a few hours of burn-in, though. I'm not a big believer, but I won't rule out the chance something might change.


Good observations.  I wouldn't say the HD650 is brighter than K701, but you are indeed correct in saying that the HD650 treble extension is greater than the K701 but not in overal volume level or presence.  Both cans are virtually identical in technical merits, with the HD650 taking the lead in bass transients and the K701 edging out the HD650 in treble transients.  The K701 is the only treble orientated can that exhibits no sibilance - possibly due to lesser transients than HD800 for instance and the fact that the upper treble is more rolled off than HD650.

 

These cans, on a technical level, are more similar than different IMO.


Edited by SP Wild - 9/13/10 at 6:13pm
post #1607 of 36903

I sold off my HD-650's after selling the equipment needed to really do them justice. Well I'm coming home slowly. Got a PS Audio amp. and a new pair coming by the end of the week. I'm going to break out the CD's and see what the old Rotel CD player can do with the PS Audio and HD-650 in the chain. I know I've got to burn the headphone in, but this is going to be a great reunion.


Edited by Jazz1 - 9/13/10 at 6:11pm
post #1608 of 36903

 

 

Quote:
somewhat hissy or shizzly

 

Not exactly the words I was thinking of, but not inaccurate.  It is not a large issue, but yes I hear it, and find it one of my disappointments. 

 

And, yes, the newer ones are "bright" at least relative to the old ones.  Let us know if you find them breaking in.   One factor is that the pads soften and the diaphragms more close to your ears, and bass increases.  

post #1609 of 36903

It's probably the treble extension that contributes to my perception of brightness over the K701's. I'm not sure I like it, though. It sounds to me like the cans can't reproduce high frequencies with good quality but the designers forced them to anyway. Perhaps AKG realized that and rolled off the treble for this reason. But that's just speculation on my part. Some songs on the 650's sound like someone's poking needles into my ears with this grainy, shizzly spike around 15k. It's hard to listen to these cans loud. I could EQ out the 4k range on the K701's, which was most offensive to me when listening loud, but even if I drown out all the treble on the HD650 I can still hear the sizzle. I'm guessing there's nothing wrong with how K701's reproduce the 4k range except it's simply too high level for me, but there does seem to be something fundamentally wrong with how the HD650's reproduce high treble. Or perhaps my physiology simply doesn't match with these phones.

 

But again, only some hours of burn-in on the HD650's. I'll also test with my soundcard's built-in amp later, but considering it's much brighter than the Canamp on my K701's, I'm expecting it to be much worse.

post #1610 of 36903

tube amp. 

 

Just noticed your amp is the heed canamp - I have read that they're good with K701s and not much else...also whats the source.


Edited by SP Wild - 9/14/10 at 5:40am
post #1611 of 36903

I'm sure it's a very viable suggestion, but I'm done throwing money into finding a perfect match for a specific can or speaker. Either they work well with my existing gear or I look elsewhere.

 

Virtual barber sounds much better, more natural, on the 650's. Especially the tone of the speaking voices. I feel like I hear "more" on the 650's. I don't mean I can hear sounds that I couldn't on the k701's, but everything just seems fuller, more textured and fleshed out in this specific clip.


Edited by Dibster - 9/14/10 at 5:41am
post #1612 of 36903

Source is the Xonar Essence STX soundcard.

 

I don't personally believe what you said about the Heed Canamp. The leading Hifi-magazine here in Finland tested the Canamp against other popular amps with the Sennheiser HD-600 and Grado SR325. It was acclaimed as the best amp of the bunch.

post #1613 of 36903
Quote:
Originally Posted by Dibster View Post

Source is the Xonar Essence STX soundcard.

 

I don't personally believe what you said about the Heed Canamp. The leading Hifi-magazine here in Finland tested the Canamp against other popular amps with the Sennheiser HD-600 and Grado SR325. It was acclaimed as the best amp of the bunch.


I'll take your word for it.  I think its just a matter of adjusting to the HD650 signature...but yes, compared to the K701 - the K701 has a smoother treble than HD650 - which comes of a tad grainier and slower.  The strength of the HD650 was never its treble, was its natural midrange.  I've always wished the HD650 had the midrange as is with some of the K701 treble - which I find at its price is brilliant.  I actually really enjoy the K701s smooth and rounded treble - if the K701 had mid body and bass it would've been nice.


Edited by SP Wild - 9/14/10 at 7:02am
post #1614 of 36903

I do prefer the HD 650's overall. I'm very much liking the impact and fullness and I do consider them the more natural can. I just hope I can get used to the treble or it smooths out in time. I tried with the STX's headphone amp, and while a lot of things changed ( good-bye sense of space ), the treble remained the same.

 

These do clamp on pretty hard. I'll try to do something about the headband after I decide whether to keep them or not. At least I can headbang with these. The k701's took flight once when I tried.


Edited by Dibster - 9/14/10 at 7:18am
post #1615 of 36903

Lets just hope with a little "burn in" that the treble smoothes out a little more to your liking...I only ever felt is was "slightly" less rounded than K701 and I have zero issues with the treble - at its price point.  But yeah...the clamp aint great.

post #1616 of 36903

I finally said f.. it and ordered the HD650!

 

I can't wait for them to arrive. Been drooling over them since I listened to them at a shop this summer!

 

Just hope they are as good as I remember them to be.

 

Also ordered a Meier Corda Cross-1 standalone crossfeeder.

 

This is gonna be so much fun!

post #1617 of 36903

After months of compulsive reading and changing my mind more times than the English weather I finally pressed the buy button on the HD 650 last night. I'm pretty excited to hear the results, this will by my first serious head-fi indulgence. I feel confident I'm going to like the sound based on impressions here and in other threads. I'll be pairing it with the Little Dot MK IV SE and DAC_I, also new. I'll let you know how I get on!

post #1618 of 36903

Good luck! and please do report back 
 

Quote:
Originally Posted by jr41 View Post

After months of compulsive reading and changing my mind more times than the English weather I finally pressed the buy button on the HD 650 last night. I'm pretty excited to hear the results, this will by my first serious head-fi indulgence. I feel confident I'm going to like the sound based on impressions here and in other threads. I'll be pairing it with the Little Dot MK IV SE and DAC_I, also new. I'll let you know how I get on!

post #1619 of 36903
Quote:
Originally Posted by jr41 View Post

After months of compulsive reading and changing my mind more times than the English weather I finally pressed the buy button on the HD 650 last night. I'm pretty excited to hear the results, this will by my first serious head-fi indulgence. I feel confident I'm going to like the sound based on impressions here and in other threads. I'll be pairing it with the Little Dot MK IV SE and DAC_I, also new. I'll let you know how I get on!


Ah congrats!!  Your little story here sure brings back memories since like you, my first serious venture into headphony was with the HD650's.  It's a great starting point and after selling my initial pair, I came back full circle to loving them even more than I initially did.

post #1620 of 36903
Quote:
Originally Posted by aimlink View Post

 

Ah congrats!!  Your little story here sure brings back memories since like you, my first serious venture into headphony was with the HD650's.  It's a great starting point and after selling my initial pair, I came back full circle to loving them even more than I initially did.


Thanks aimlink, your comments RE the HD 650 and the HeadRoom amps (which were on my shortlist), etc. have been useful reading for me.

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