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Best Treble reducing material?

post #1 of 3
Thread Starter 

Hi,

 

I was reading this article at Innerfidelity, http://www.innerfidelity.com/content/reducing-headphone-treble-response-paper-filters-front-driver#VOJ6iPW4DqksG21p.97 , where Tyll talks about using surgical masks to reduce frequencies greater than 5k.

 

Since I'm not really clear what part of the surgical mask he's referring too, I was wondering if there are any other materials that are specific to 5k+, or even 7k+ that you can put in front of a driver to reduce the treble response.

 

Thanks!

post #2 of 3
Thread Starter 

I'm actually looking to reduce the upper upper mids, like 1.5-4k, so if anyone knows good materials or mods to do that (mdr-z7), I'd be indebted.

post #3 of 3

I've used PartsExpress speaker grill fabric to reduce listening fatigue on a pair of Koss, which usually occurs for me in the upper midrange. 

 

https://www.parts-express.com/parts-express-speaker-grill-cloth-black-yard-70-wide--260-335

 

7 bucks

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