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Sony MDR-7506s sound worse after sock mod

post #1 of 4
Thread Starter 
Hi. I recently took my old Sony MDR-7506 cans out of the drawer after a year or so of neglect, and noticed that that 'pleather' pads had started to completely break down, leaving black crap everywhere. I'd been thinking about switching to Beyerdynamic velour pads for a while, but after seeing how much they cost here in the UK, I decided to try a free 'sock mod' first.
 
I used some old merino wool hiking socks with holes in the heels, but which still had good thick material in the uppers - the woolly material in the upper part is probably ~4mm thick when uncompressed.The actual mod went smoothly - I cut the crumbling pleather material off the outer surface of the foam ring, leaving the foam ring and fabric behind it intact, and then cut sections of the upper part of the socks to use as the new covers. I glued the inside-out sock tubes to the inside of the foam ring, and then when this was dry, put the backing and foam ring back on the actual cans, and wrapped the sock tube around the backs of the cans. Hope that description makes sense!
 
Anyhow, they look like this now:
 

 

 

Immediately, I noticed that they were more comfortable than before, partly because the merino wool is much nicer against skin than fake leather, but also because they now felt like 'over the ear' cans rather than 'on the ear' cans. I attribute this to the thickness of the wool keeping the drivers an extra 5mm or so off my ears.
 
The problem, though, is that I think the headphones now sound differnt, in a bad way. Although I hadn't used the cans for a while, and now can't compare with what they were like before, the sound seems tinnier, although with a bit too much bass at the same time. I also think there's more sound leakage, both in and out.
 
Is this expected from what I did, which was to add several mm of 'fluffy' material between the original pads and my head, losing the 'seal' of the closed cans, and moving the drivers away from my ears? I'm quite fond of how they look and feel now, but I'm thinking I should perhaps scrap this mod and try again with thin material...
 
Ideas? Experiences doing this?
 
Thanks :)
 
-Robin
post #2 of 4
Thread Starter 

Hmm.. nothing? Is this perhaps not the right forum for this topic?

 

Thanks,

R

post #3 of 4

Pearstone sells velour replacement pads for the V6/7506 at very reasonable prices.  They're available at B&H Photo and Amazon:

http://www.amazon.com/Beyerdynamic-Velour-Earcushions-MDR7506-Headphones/dp/B0016MF7W2/ref=sr_1_2?ie=UTF8&qid=1368192870&sr=8-2&keywords=Pearstone+headphone+pads

 

A company called Auray also sells something similar on Amazon:

http://www.amazon.com/Auray-Deluxe-Velour-Earpads-Pair/dp/B005GC7YJ2/ref=sr_1_3?ie=UTF8&qid=1368192870&sr=8-3&keywords=Pearstone+headphone+pads

 

I can't speak to shipping, but surely Amazon ships internationally at reasonable rates.  Approx. $20 for a product that improves the V6 100% is a small price to pay.  I have had several and used them for many years with the velour pads.  I have also been told that radio/tv/recording studios order V6's by the crate-load, along with an equal number of velour pads.  They rip the Sony pads off and replace them as soon as they pull them out of the crate.

 

As for your socks, I've never been a fan of putting something on your ears that's supposed to go on your feet.  I think you answered your own questions:

Quote:

Is this expected from what I did, which was to add several mm of 'fluffy' material between the original pads and my head, losing the 'seal' of the closed cans, and moving the drivers away from my ears? I'm quite fond of how they look and feel now, but I'm thinking I should perhaps scrap this mod and try again with thin material...

wink.gif

post #4 of 4
Thread Starter 

Thanks for the response. Here in the UK the replacement pads are a fair bit more expensive, although maybe I'll ask my friend from the States to bring a pair when they visit next month...

 

OTOH, after seeing how easy the mod was, I'm kind of tempted to try again with some thin fabric (dress socks... meet scissors!) just to see if it works better. 

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