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Author Topic: Jerg HE500 pads  (Read 14412 times)

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planx

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Re: Jerg HE500 pads
« Reply #20 on: March 07, 2013, 07:37:31 AM »
At the time when I had the HE-400, velours sounded better than the pleathers.
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victor25

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Re: Jerg HE500 pads
« Reply #21 on: March 07, 2013, 07:39:21 AM »
HD-25ii sounds good with velours imo?
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TMRaven

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Re: Jerg HE500 pads
« Reply #22 on: March 07, 2013, 07:41:37 AM »
HE-400 definitely sounds better with stock velours compared to pleathers.  Judging on the quick summary of the jergpads though, it seems as though hifiman had serious omission of not damping the inside of the pleathers.

With the HE-500's dip in the upper mids being filled out so much, I wonder how these would look like with HE-400 graphs.
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planx

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Re: Jerg HE500 pads
« Reply #23 on: March 07, 2013, 07:48:22 AM »
Too lazy to post pics here, instead here's the link to my post w/ pics on HF

http://www.head-fi.org/t/646812/hifiman-he500-he400-jergpad-mod-v2-0-new-revised-feb-28-2013/435#post_9234864
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planx

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Re: Jerg HE500 pads
« Reply #24 on: March 07, 2013, 07:54:19 AM »
Holy shit Jerg. The improvement in the bass is VERY noticeable. Bass has more impact lower down, midbass seems to be increased a bit as well, I would say the mids are on the same level as velour, maybe a tiny bit below in presence, definitely a little brighter and more energetic.

Well worth the snipping and taping! I really like this mod!
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jerg

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Re: Jerg HE500 pads
« Reply #25 on: March 07, 2013, 07:56:56 AM »
Quote from: planx on March 07, 2013, 07:48:22 AM
Too lazy to post pics here, instead here's the link to my post w/ pics on HF

http://www.head-fi.org/t/646812/hifiman-he500-he400-jergpad-mod-v2-0-new-revised-feb-28-2013/435#post_9234864

My main critique would be that while your mid~low bass will be improved, your sub-bass is butchered via your taping scheme on the underside.

Ideally you'd want a little bit of vent (in my write-up I only tape-stack vented 1/4 of the underside) to open up the sound and give a little distance to bump up the low bass, and have the rest of the underside surface have complete adhesion bonding with the headphone cup to compensate and linearize the sub-bass response. I know because I tried something similar to what you did, just have tape stacks all around, and bass below 35 Hz becomes non-existent. With the sub-bass mod, it goes down solid until about 20 Hz or so before losing some steam.
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planx

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Re: Jerg HE500 pads
« Reply #26 on: March 07, 2013, 07:59:32 AM »
Quote from: jerg on March 07, 2013, 07:56:56 AM
Quote from: planx on March 07, 2013, 07:48:22 AM
Too lazy to post pics here, instead here's the link to my post w/ pics on HF

http://www.head-fi.org/t/646812/hifiman-he500-he400-jergpad-mod-v2-0-new-revised-feb-28-2013/435#post_9234864

My main critique would be that while your mid~low bass will be improved, your sub-bass is butchered via your taping scheme on the underside.

Ideally you'd want a little bit of vent (in my write-up I only tape-stack vented 1/4 of the underside) to open up the sound and give a little distance to bump up the low bass, and have the rest of the underside surface have complete adhesion bonding with the headphone cup to compensate and linearize the sub-bass response. I know because I tried something similar to what you did, just have tape stacks all around, and bass below 35 Hz becomes non-existent. With the sub-bass mod, it goes down solid until about 20 Hz or so before losing some steam.

Forgot to mention that after posting the pictures, I added more tape sections. Again, more bass. Also, I pressed the tape down a bit more to reduce the amount of venting.
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jerg

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Re: Jerg HE500 pads
« Reply #27 on: March 07, 2013, 08:05:28 AM »
Quote from: planx on March 07, 2013, 07:59:32 AM
Quote from: jerg on March 07, 2013, 07:56:56 AM
Quote from: planx on March 07, 2013, 07:48:22 AM
Too lazy to post pics here, instead here's the link to my post w/ pics on HF

http://www.head-fi.org/t/646812/hifiman-he500-he400-jergpad-mod-v2-0-new-revised-feb-28-2013/435#post_9234864

My main critique would be that while your mid~low bass will be improved, your sub-bass is butchered via your taping scheme on the underside.

Ideally you'd want a little bit of vent (in my write-up I only tape-stack vented 1/4 of the underside) to open up the sound and give a little distance to bump up the low bass, and have the rest of the underside surface have complete adhesion bonding with the headphone cup to compensate and linearize the sub-bass response. I know because I tried something similar to what you did, just have tape stacks all around, and bass below 35 Hz becomes non-existent. With the sub-bass mod, it goes down solid until about 20 Hz or so before losing some steam.

Forgot to mention that after posting the pictures, I added more tape sections. Again, more bass. Also, I pressed the tape down a bit more to reduce the amount of venting.

Ah!
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planx

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Re: Jerg HE500 pads
« Reply #28 on: March 07, 2013, 08:13:45 AM »
I am seriously impressed Jerg. When I first saw your early mods (regrill and early Jergpads), I was mildly skeptical (try not to take offense). Now after trying it first hand, I apologize for doubting your efforts. I guess Purrin's measurements was the tipping point for me to actually try it with an open mind. Brilliant!
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Maxvla

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Re: Jerg HE500 pads
« Reply #29 on: March 07, 2013, 08:17:40 AM »
LOL @ quote stacking. You guys are nuts.  p:8
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