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Author Topic: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.  (Read 51320 times)

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ultrabike

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #110 on: May 19, 2015, 04:19:10 AM »
Rex, while not as refined as the HD6x0s, the HD5x8 are actually quite good as well. The HD518 in particular is also fairly under appreciated.
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olor1n

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #111 on: May 19, 2015, 08:56:00 AM »
purrin - Do you consider the HD650 more resolving than the LCD-2? My last Audez'e was a pre-fazor LCD-2 rev2.5 which sounded more refined than my first LCD-2 and - to my ears - in a tier above the HD650 in technical terms. It was smoother, faster and more resolving, particularly in the lower bass region. I conceded that the HD650 was inferior but I did end up preferring the HD650. It's almost inexplicable. Perhaps it was a combination of comfort, the wider soundstage and more textured layering of elements that made the HD650 a more engaging listen. I found the Audez'e a relative bore despite that clearer window into the music.
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The Alchemist

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #112 on: May 19, 2015, 12:50:45 PM »
Anyone else decide to do the HD650 mod that purr1n posted in this thread besides me , purr1n , and hans, and if so, what do you think? I agree with purr1n. To me they seem less damped and more "alive" - and on my particular setup, even the sound stage sounds a little better. The great part about this mod too is that it is easy and cheap to reverse the mod (the foam behind the driver under the grills may be tricky) but you can easily and cheapy replace the foam on the inside of the cups over the driver. Great mod for my tastes.
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RexAeterna

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #113 on: May 19, 2015, 01:00:22 PM »
Quote from: ultrabike on May 19, 2015, 04:19:10 AM
Rex, while not as refined as the HD6x0s, the HD5x8 are actually quite good as well. The HD518 in particular is also fairly under appreciated.

I wouldn't doubt they are very good as well. The only sennheiser in the 5xx series I heard were the hd558 and found them to be extremely good to what they offer in their respectful price bracket. Lately though I haven't got around much with headphones. Harder to come by locally compared to speakers for testing/auditioning.
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Marvey

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #114 on: May 19, 2015, 05:22:52 PM »
Quote from: olor1n on May 19, 2015, 08:56:00 AM
purrin - Do you consider the HD650 more resolving than the LCD-2? My last Audez'e was a pre-fazor LCD-2 rev2.5 which sounded more refined than my first LCD-2 and - to my ears - in a tier above the HD650 in technical terms. It was smoother, faster and more resolving, particularly in the lower bass region.

Compared to Craig's A grade LCD2r2, I'd say Craig's Audeze is about even. Audeze wins in the bass, transient response, clarity. HD650 wins in overall frequency response, liveliness/openness. Resolution is about even until an EC tube amp + Yggy, where the HD650 slightly overtakes it.

Quote from: TheGame on May 19, 2015, 12:50:45 PM
Anyone else decide to do the HD650 mod that purr1n posted in this thread besides me , purr1n , and hans, and if so, what do you think? I agree with purr1n. To me they seem less damped and more "alive" - and on my particular setup, even the sound stage sounds a little better.

Yes, more lively, more open. The HD650 seemed a bit too damped. I will post pix later, but I found the foam discs squished in back of the driver decompressed into three separate discs. This allows for some tuning. I may decide to stick one of the foam discs back in.
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Marvey

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #115 on: May 19, 2015, 05:42:01 PM »
Distortion measurements:

Tode's HD650s from a while back:



2015 purchased from Amazon. I don't think most folks realize how extremely clean this is with the exception of mid-bass and down.



Volume levels are about the same, although the scale types (log) are the same. Note that D2 is very different, with 'Tode's pair having D2 well above D3,D4. Has Senn been implementing silent upgrades? Perhaps lessons learned from HD800? This might explain a lot why the folks who heard this particular pair heard no veil.
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Skyline

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #116 on: May 19, 2015, 05:51:24 PM »
Quote from: purr1n on May 19, 2015, 05:42:01 PM
This might explain a lot why the folks who heard this particular pair heard no veil.

No veil...without the mods, with them, or both?
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Marvey

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #117 on: May 19, 2015, 06:03:24 PM »
No veil at all. The mods simply open and liven things up a bit. Sort of like reducing global feedback when there is more than necessary. Also makes transients a tiny bit faster crisper.
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Priidik

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #118 on: May 19, 2015, 06:06:11 PM »
These older? plots are showing worse numbers for various hp-s when converting to the same (dB) scale.
Might it be that the older measurement apparatus is somewhat to fault?
Hard to believe the new HD650 could beat HD800 in lows at THD.
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audiofrk

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Re: The Amazing Super Duper Underrated HD650. A Headphone That Kicks Serious Ass.
« Reply #119 on: May 19, 2015, 06:13:14 PM »
Crap purrin stop posting you're making me really want to buy one  walk the plank2
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