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Author Topic: Jerg HE500 pads  (Read 14408 times)

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Armaegis

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Re: Jerg HE500 pads
« Reply #60 on: March 29, 2013, 04:19:00 PM »

Were there any changes to distortion with the Jergpads?
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Do you think there may be an acoustic leak from the jack hole? ~Tyll Hertsens

Not sure if I like stuffing one hole or both holes. Tending toward one hole since both holes seems kinda ghey ~Purrin

jerg

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Re: Jerg HE500 pads
« Reply #61 on: March 31, 2013, 07:38:36 AM »

Did some subjective EQ tests today, turns out the slight 2kHz dip introduced by the mods causes the sound to be a bit drier but clearer than if I EQ'd that region to be "in line".

It (the dip) certainly isn't contributing to any "cupped" effects or anything, it just attenuates the lushness / wetness of midrange down a little bit. I don't mind it at all.
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AstralStorm

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Re: Jerg HE500 pads
« Reply #62 on: April 03, 2013, 03:40:36 PM »

Yes, the slight cupped sound is due to the higher end "wiggles" - typical sound of comb filtering. I'll add the velour on top tomorrow and check again - this might fix it.
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For sale: Hifiman HE-500; Paradox; Brainwavz B2. PM me if you would like to buy them.

planx

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Re: Jerg HE500 pads
« Reply #63 on: April 08, 2013, 07:24:12 AM »

Just tweaked my Jergpads and re-did the mods as I had nothing better to do today. I suppose I did it correctly this time seeing how the HE-500 is able to hit 18Hz more audibly now than before my first attempt at the mod.

EDIT: Here's where I usually test bass http://www.audiocheck.net/testtones_subwooferharmonicdistortion.php
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jerg

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Re: Jerg HE500 pads
« Reply #64 on: April 09, 2013, 07:02:10 AM »

Just tweaked my Jergpads and re-did the mods as I had nothing better to do today. I suppose I did it correctly this time seeing how the HE-500 is able to hit 18Hz more audibly now than before my first attempt at the mod.

EDIT: Here's where I usually test bass http://www.audiocheck.net/testtones_subwooferharmonicdistortion.php

Yeah the sub-bass really gets "fixed" doesn't it.
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AstralStorm

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Re: Jerg HE500 pads
« Reply #65 on: April 10, 2013, 08:32:36 AM »

Tweaked my Jergpads with velour top mod and used rubber glue instead of tape to connect the pads more securely to the plastic base - they had a tendency to unglue from it.
Now they're fully modded with that extra glue change which can only positively affect subbass.

I'll provide the equalization results soon - they're definitely slightly more comfortable and slightly thicker, sound a bit more linear. The sound is definitely a bit less nasal, more open and airy, but I can't really say how much. The balance on the whole is very similar to previous Jergpads without velour top - bit too bright.

They look highly DIY with that velour on top - I'd have to attach the "loose" ends of the velour ring to the pad proper, e.g. by actually sewing it there instead of just attaching with tape.
« Last Edit: April 10, 2013, 08:42:30 AM by AstralStorm »
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AstralStorm

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Re: Jerg HE500 pads
« Reply #66 on: April 10, 2013, 07:58:35 PM »

And here's the equalization. It's a bit different from previous Jergpads. The bass is definitely less distorted, the best of the all, but slightly quieter. I suppose the rubber holds the pads better and creates a slightly higher seal giving more damping. I've also tightened the cup regulation nuts that were a bit too loose.
Despite this, or because of it, the balance is definitely very bright. Perhaps I should reattach the dust screen to slightly tame the treble.
Extension with the eq is 17Hz - 20kHz, notably better than with previous version.

The result without equalization sounds "electric", perhaps slightly metallic, very refined, more so than the previous pads. Not nasal in the slightest. Kind of reminds me of a much more extended and impactful version of Brainwavz B2 IEM. Bit laid back (mids?) despite the brightness, with notable V shape. More likable than either the stock velours, stock pleathers, T70 velours or previous version of Jergpads with its nasality.

In this configuration, they easily beat Paradox if equalized. Unequalized, they're not smooth enough in the frequency response and present a "wall" flattened soundstage.
« Last Edit: April 10, 2013, 08:06:34 PM by AstralStorm »
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jerg

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Re: Jerg HE500 pads
« Reply #67 on: April 10, 2013, 08:27:32 PM »

And here's the equalization. It's a bit different from previous Jergpads. The bass is definitely less distorted, the best of the all, but slightly quieter. I suppose the rubber holds the pads better and creates a slightly higher seal giving more damping. I've also tightened the cup regulation nuts that were a bit too loose.
Despite this, or because of it, the balance is definitely very bright. Perhaps I should reattach the dust screen to slightly tame the treble.
Extension with the eq is 17Hz - 20kHz, notably better than with previous version.

The result without equalization sounds "electric", perhaps slightly metallic, very refined, more so than the previous pads. Not nasal in the slightest. Kind of reminds me of a much more extended and impactful version of Brainwavz B2 IEM. Bit laid back (mids?) despite the brightness, with notable V shape. More likable than either the stock velours, stock pleathers, T70 velours or previous version of Jergpads with its nasality.

In this configuration, they easily beat Paradox if equalized. Unequalized, they're not smooth enough in the frequency response and present a "wall" flattened soundstage.

Wait you removed the pleather dust screen?
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AstralStorm

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Re: Jerg HE500 pads
« Reply #68 on: April 11, 2013, 06:36:48 AM »

Of course I did. The previous pads didn't have it either. That thing eats a bit of refinement, but indeed it does make the sound bit less bright - unfortunately not in the right range. It damages highest end air by some 6 dB or more.

I'm considering some other option that's much less dense than the original dust filter as well as modification of the back grille. (but I will keep the back dust screen)
The front is protected when the headphones are not in use.
« Last Edit: April 11, 2013, 07:04:53 AM by AstralStorm »
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For sale: Hifiman HE-500; Paradox; Brainwavz B2. PM me if you would like to buy them.

jerg

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Re: Jerg HE500 pads
« Reply #69 on: April 13, 2013, 10:26:03 AM »

Of course I did. The previous pads didn't have it either. That thing eats a bit of refinement, but indeed it does make the sound bit less bright - unfortunately not in the right range. It damages highest end air by some 6 dB or more.

I'm considering some other option that's much less dense than the original dust filter as well as modification of the back grille. (but I will keep the back dust screen)
The front is protected when the headphones are not in use.

Well, the pair I sent for purrin's measurements, as well as the pair I currently use, both have the pleather dust screen.

Subjectively it tames the treble enough that it felt congruent with the midrange, and objectively what it does is flatten out the mid-treble peak, hence giving the treble more smoothness as well as less peakiness.

Going from "obvious details" to "less obvious details" with headphone modding, even if the latter offers more refinement, can be jarring enough that you feel something is missing right off. All it takes is to listen to the latter for a whole day and all would be appreciated by your brain. The detail is always there, just more naturally so.

Since you opted not to use the dust screen, then I can't relate to any of your impressions at all. Sorry.
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