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Author Topic: Sennheiser HD600  (Read 9910 times)

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HitmanFluffy

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Re: Sennheiser HD600
« Reply #60 on: September 16, 2015, 08:53:06 AM »
No kidding about the dynamat there. I can scarcely believe the improvements on bass distortion. So pretty much just shelf liner and dynamat needed for this?
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aufmerksam

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Re: Sennheiser HD600
« Reply #61 on: September 16, 2015, 12:29:15 PM »
Bill, what dynamat is that?
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audiofrk

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Re: Sennheiser HD600
« Reply #62 on: September 16, 2015, 05:54:18 PM »
Nice Bill what amp/dac you using?
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Bill-p

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Re: Sennheiser HD600
« Reply #63 on: September 16, 2015, 06:13:00 PM »
There are some paper cut outs involved, too.

I talked about distortion and yet... I didn't post stock measurement!

So here ya go. Stock vs Modded distortion. CSD, too... just for kicks. And I took another set of measurements just in case the last one was bad and something happened to bass distortion. Results? Still the same. It's much lower than stock. Also included the cursor so you can read dB levels, percentages, and etc...

Dynamat's effect is real, my brothers!

Here's a link to Amazon for reference:
http://www.amazon.com/Dynamat-10435-Self-Adhesive-Deadener-Xtreme/dp/B00020CAUG/ref=sr_1_2?ie=UTF8&qid=1442427113&sr=8-2&keywords=dynamat

You can probably buy a whole roll of this stuff at your local car dealer.

Oh, and audiofrk, I'm using my DIY amp (that you heard at last CanJam), but with some slight tweaks, and Gumby will come next week. I just shipped the Gungnir out yesterday for upgrade.
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aufmerksam

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Re: Sennheiser HD600
« Reply #64 on: September 16, 2015, 06:45:28 PM »
Nice!

Also, thanks for the link. I feel like an idiot now. When I worked at Circuit City, back when they had stores, the car audio guys referred to just about all damping as "dynamat"... All this time people here were referring to "dynamat," I was envisioning something much more substantial, a la mass loaded vinyl or closed cell foam. The moral of the story is, fuck you Circuit City.
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Bill-p

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Re: Sennheiser HD600
« Reply #65 on: September 16, 2015, 08:43:46 PM »
Haha, I still remember sneaking off to CC after school to check out video games.

Anyway, despite being significantly better than stock (IMO), this is still not as clear as the HD800. I think some form of enclosure/driver limit has been reached. In a sense, I guess the HD800 is still cleaner than HD600/650 in this regard. Now here's me wondering what would happen if one were to apply dynamat to an HD800...

All hell will break loose? It'll be so detailed that it'll sound like it came from another dimension?
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Anaxilus

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Re: Sennheiser HD600
« Reply #66 on: September 16, 2015, 08:58:20 PM »
Quote from: Bill-p on September 16, 2015, 08:43:46 PM
Haha, I still remember sneaking off to CC after school to check out video games.

Anyway, despite being significantly better than stock (IMO), this is still not as clear as the HD800. I think some form of enclosure/driver limit has been reached. In a sense, I guess the HD800 is still cleaner than HD600/650 in this regard. Now here's me wondering what would happen if one were to apply dynamat to an HD800...

All hell will break loose? It'll be so detailed that it'll sound like it came from another dimension?


I'll let you know. ;) Cool results. I've managed to drop the mid range distortion on the HD800 further and only barely touched the bass. Look forward to seeing what happens.
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Bill-p

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Re: Sennheiser HD600
« Reply #67 on: September 16, 2015, 09:30:05 PM »
Quote from: Anaxilus on September 16, 2015, 08:58:20 PM

I'll let you know. ;) Cool results. I've managed to drop the mid range distortion on the HD800 further and only barely touched the bass. Look forward to seeing what happens.

Awesome! I'm looking forward to that, too.

I recently heard a stock HD800 on my setup, and... honestly, it was surprisingly listenable, so I think I'll end up with a HD800 some time in the future. Probably not any time soon since I prioritized Gumby, but... it's on my roadmap. Hahaha

Hopefully you've completed your mod then. I'm getting lazy as of late, and I've been more inclined to listen than to tweak.
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JoelT

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Re: Sennheiser HD600
« Reply #68 on: September 16, 2015, 10:43:46 PM »
Looks great Bill, thanks for sharing this. Very nice results. I'm going to order up some materials and give it a try. Did you adhere the liner material to the metal mesh just to keep it in place?
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Bill-p

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Re: Sennheiser HD600
« Reply #69 on: September 16, 2015, 10:53:54 PM »
No, I didn't adhere it. I cut it to the same dimension as the stock foam piece and used the earpad mount to clamp it down.
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