Mildly Interesting

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My earphones' cable has grown a pimple. It popped today. (i.imgur.com)

submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/mildlyinteresting

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Image on left is from 4 days ago, but the pimple was slowly forming over around 2 weeks.

The goop was sticky, not oily. Earphones are Panasonic RP-TCM130.

I was not able to find an explanation.
Something to increase cable lifespan, lubrication, rubber disintegrating, sweat and earwax that somehow got into the cable, dielectric grease, SCP-1407, no clear answer.

At first I thought the wires just somehow twisted. Nope.

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[–] [email protected] 9 points 4 months ago

They typically output less than a watt.

Sounds optimistic. Checking a few USB to 3.5mm dongles, they seem to be around 25mW max at 32Ohms. Not sure how much that would change with short circuit, but I guess not much more.