CHANGSTAR: Audiophile Headphone Reviews and Early 90s Style BBS

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Author Topic: 'Seeing' effects of modifications  (Read 1379 times)

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stratocaster

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Re: 'Seeing' effects of modifications
« Reply #10 on: September 15, 2015, 04:17:35 PM »
Quote from: Hands on September 15, 2015, 03:18:40 PM
A) What is that first picture exactly?
B) Any of these layers go under the pads?
Basically you have 2 cutouts, the first made of coffee filter paper, the second made of foam. Both cutouts cover the same area as the Senn silver mesh, but I leave a circle over the driver open.
Both cutouts are put  under the pads. The bass effect is mostly due to the coffee filter paper, which makes the silver screen less air permeable, the foam exerts pressure on the paper against the silver mesh.
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stratocaster

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Re: 'Seeing' effects of modifications
« Reply #11 on: September 15, 2015, 04:31:53 PM »
Quote from: spoony on September 15, 2015, 12:58:28 AM
Very interesting, would this mod in combination with the cotton pad mod produce a downward tilting FR?
See for yourself. HD600, screen and cotton pad mod in place:
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spoony

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Re: 'Seeing' effects of modifications
« Reply #12 on: September 15, 2015, 05:06:22 PM »
That looks pretty yummy, now I'm sure what my next purchase is going to be. Thank you as always.
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Hands

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Re: 'Seeing' effects of modifications
« Reply #13 on: September 15, 2015, 05:19:00 PM »
Can I get a link to the cotton pad mod for quick reference?
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spoony

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Re: 'Seeing' effects of modifications
« Reply #14 on: September 15, 2015, 05:34:52 PM »
Quote from: stratocaster on September 15, 2015, 04:31:53 PM
See for yourself. HD600, screen and cotton pad mod in place:

Do you enjoy this particular configuration or would you rather have a flat FR?
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spoony

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Re: 'Seeing' effects of modifications
« Reply #15 on: September 15, 2015, 06:07:48 PM »
Solderdude compiled a very comprehensive list of mods and their effect with various measurements per mod here.
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stratocaster

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Re: 'Seeing' effects of modifications
« Reply #16 on: September 15, 2015, 06:11:15 PM »
Quote from: Hands on September 15, 2015, 05:19:00 PM
Can I get a link to the cotton pad mod for quick reference?
Just put a cotton pad behind the driver or replace the foam over the back of the driver with some denser/thicker foam. But you can easily get too much of the effect, then the bass would deteriorate. It certainly helps to have a measurement rig to assist you.
Quote from: spoony on September 15, 2015, 05:34:52 PM
Do you enjoy this particular configuration or would you rather have a flat FR?
Personally, I prefer the flat response. This mod makes the HD600 sound too much like an HD650, which I also got. So, I prefer to have the stock HD650s and complement it with a flat HD600.

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spoony

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Re: 'Seeing' effects of modifications
« Reply #17 on: September 15, 2015, 07:42:14 PM »
Have you toyed around with other pads on the HD6X0?, I'm particularly interested in seeing the effects of the HM5 angled velour pads.
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stratocaster

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Re: 'Seeing' effects of modifications
« Reply #18 on: September 16, 2015, 05:30:40 AM »
Quote from: spoony on September 15, 2015, 07:42:14 PM
Have you toyed around with other pads on the HD6X0?, I'm particularly interested in seeing the effects of the HM5 angled velour pads.
Yes, I have. Didn't try the HM5 angled velours, just the plain velours and pleathers. But no pad performed as well as the Sennheiser pads.
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