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Author Topic: Jerg / Modulor Pads for HE500 - Measurement Results  (Read 22744 times)

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jerg

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #70 on: November 21, 2013, 06:35:15 AM »
Quote from: ohhgourami on November 21, 2013, 06:24:46 AM
Higher frequency waves would not be as wide. As you provide a bit more space, you let a lot more through. Seems to make sense.

I'll need to find time to go to a Michael's for that felt. Do you know if they have 3M double sided adhesive? My pads are stuck directly to the housing of mine and I only have 1 more set of adhesive rings from Audeze...

Whether or not the edges of the felt cutouts are tapered does not affect the width of the driver slit openings, that's an important distinction to make. The opening width is still limited by the magnet array.

If Michaels doesn't have double-sided tape, then a hardware store like Home Depot should.
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Armaegis

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #71 on: November 21, 2013, 07:14:41 AM »
I know high frequencies diffract less than lower frequencies...

Waves do behave differently around curved surfaces rather than sharp corners. Speaker horns are designed in a specific shape to guide the wavefront right?

So maybe the tapered foam is the closest we can get to re-establishing a planar front?
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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

Armaegis

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #72 on: November 21, 2013, 07:28:41 AM »
Back to impressions with my foam strips on the HE-6... Bass definitely feels more spacious and perhaps rumbles longer. Feels like 40Hz is slightly boosted. Hard to say what's changed in the midrange but it feels like the soundstage has improved, but only with certain songs. I don't think there's any change in the upper registers, but I have damping in front of my drivers already. I have a felt disk and a tiny bit of twaron filler under my pads.

Favourite testing song at the moment: Way Down Deep - Jennifer Warnes
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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

ohhgourami

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #73 on: November 21, 2013, 07:43:28 AM »
I just realized that outer ring of felt is the stock felt... I thought I had to cut a damn ring of felt! /facepalm
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Thujone

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #74 on: November 21, 2013, 01:49:21 PM »
Quote from: Armaegis on November 21, 2013, 07:28:41 AM
Back to impressions with my foam strips on the HE-6... Bass definitely feels more spacious and perhaps rumbles longer. Feels like 40Hz is slightly boosted. Hard to say what's changed in the midrange but it feels like the soundstage has improved, but only with certain songs. I don't think there's any change in the upper registers, but I have damping in front of my drivers already. I have a felt disk and a tiny bit of twaron filler under my pads.

Favourite testing song at the moment: Way Down Deep - Jennifer Warnes

Why would you bother with the backwave mod if you already have a felt disk inside the pad? That disk is already dampening the backwaves, or at least that's how I understand it.
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Armaegis

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #75 on: November 21, 2013, 05:20:12 PM »
Because it doesn't hurt to try. I already had the material and it only took about ten minutes to cut and install the strips.
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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 / Modulor Pads for HE500 - Measurement Results
« Reply #76 on: November 21, 2013, 06:20:52 PM »
Quote from: Armaegis on November 21, 2013, 05:20:12 PM
Because it doesn't hurt to try. I already had the material and it only took about ten minutes to cut and install the strips.

You could also experiment with just having the felt backwave diffusion mod, and no felt disc.
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Armaegis

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #77 on: November 21, 2013, 10:05:26 PM »
I could have... but I am most familiar with the sound of my HE-6 with the felt disk. I didn't want to do a big change followed by a small one. Figured I'd just do the incremental step, even though it's not exactly applicable to everyone else. Besides, I used an acoustic foam and most others will likely use felt so that's different anyways.
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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

Thujone

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #78 on: November 21, 2013, 10:30:41 PM »
Can the metal plate be easily removed? Just wondering since I don't necessarily trust the adhesive on a lot of those adhesive foam/felt materials. A lot of the time you'll end up transferring the residue and making quite a big mess. Not a problem if the plate can be removed and cleaned. Hurray for ultra sonic cleaners.
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jerg

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Re: Jerg / Modulor Pads for HE500 - Measurement Results
« Reply #79 on: November 21, 2013, 10:42:09 PM »
Quote from: Thujone on November 21, 2013, 10:30:41 PM
Can the metal plate be easily removed? Just wondering since I don't necessarily trust the adhesive on a lot of those adhesive foam/felt materials. A lot of the time you'll end up transferring the residue and making quite a big mess. Not a problem if the plate can be removed and cleaned. Hurray for ultra sonic cleaners.

...No, the metal plates are permanent parts of the driver assembly, you can't take em apart unless you want to completely brick the drivers.

Wanna see bricked HE6 drivers? Look no further than Tyll's little misadventure:

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