So I just got these headphones and decided to look at the driver and the electret looks like it was kept in a swamp. Is there any hope of restoring this?

Edit: would ultra sonication work? Like those fancy cleaners for record players

Edit: corrected driver type.

I’d be worried about washing away the diaphragm coating. Also these are electrets.

You'd need to be extra careful. These are electret, meaning they don't use energiser, but instead come pre-charged. If you touch the membrane and discharge the charge the speaker will be dead.

I've seen people who disassembled the electret driver. Do you think it's worth it to remove dust and corrosion or just deal with it since the electret will diminish over time?

I think the biggest question is - does it work now?

If not, maybe you can fix it. If yes, then I don't think it's worth the risk.

Yes I confirmed the driver still works with a sine sweep so it's was more an issue of getting it to as close as peak performance as possible.

Thank you for the advice

Good luck on the restoration!

[deleted]

It looks like mould to me.

I would personally dray it for a day or two, and then gest blow away with air the remaining.

If it's worth a try, and if that doesn't work, then tray diferite ways