this post was submitted on 17 Feb 2024
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I'm curious, how many people are aware of these sounds. I have designed, etched, and built my own switching power supplies along with winding my own transformers. I am aware of the source of the noise. So, does anyone else hear these high frequency sounds regularly?

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[โ€“] [email protected] 0 points 8 months ago (1 children)

Where can I get what you are having?

[โ€“] [email protected] 4 points 8 months ago (1 children)

Good ears? the question is when, not where, and the answer is half a lifetime ago.

[โ€“] [email protected] -1 points 8 months ago (1 children)

How do you consume those ears and what do I have to look out for if I want some product that you could consider good

[โ€“] [email protected] 0 points 8 months ago (1 children)

Seriously, stop being an asshole. Coil whine is a well-documented behaviour that creates a loud, high pitched noise.

As coil whine is at the very limit of what human hearing can accomplish, it doesn't take much until you're unable to hear it. So you're likely too old or went to too many concerts to be able to hear it.

[โ€“] [email protected] 1 points 8 months ago (1 children)

How many concerts to I need to visit to fix this issue?

[โ€“] [email protected] 0 points 8 months ago (1 children)

Even half an hour next to the PA without special ear plugs is enough to permanently harm your hearing.

[โ€“] [email protected] 0 points 8 months ago

That's easy - so this is the solution OP is looking for