How To Build an Electromagnetic Microphone for $10

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There's electromagnetic fields and radio frequencies all around us. With this $10 DIY device, you can capture those invisible waves and record them as audible sound.
Inductors - www.jameco.com/shop/StoreCata...
Audio Cable - www.sfcable.com/25ft-1-4-mono...
DI Box - amzn.to/39MIpah (Paid Link)
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0:00 Induction Explained
1:27 Building the Device
4:40 Audio Tests
13:49 Outro

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Опубликовано:

11 июл 2024

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Комментарии : 23

@SpectralEvolver 2 года назад

Great video! My inductor is in the mail. I'm looking forward to building this and hearing the results. Cheers!

@andrewphillip8432 2 года назад

Cool idea. Try to record some lighting strikes sometime, I think you will find those make quite a splash in the electromagnetic spectrum. You could also add a diode (and possibly a capacitor) to down-convert frequencies that are too high to be audible, which is the majority of the spectrum.

@riyantkhalap7327 8 месяцев назад

Can you give more info on how to connect the diode and cap

@dr4gon8it3music3 3 года назад

very nice video, tnx a lot! peace

@undiscoveredcreatures4592 3 года назад

Nice experiment

@morpher44 2 года назад

take a clean jelly jar. Add 3 tsp magnetite then fill with vegatable oil. Seal this with duct tape. Then wrap a coil around the jar and attach this to a mic jack. This jar microphone will be directional, with largest pickup at top or bottom of jar.

@deniz10110 2 месяца назад

whyyyyyy

@morpher44 2 месяца назад

@@deniz10110 This allows you to hear magnetic fields in the audio range.

@deniz10110 2 месяца назад

i am just discovering magnetic fields and sounds produced by them. thanks for the instructions and taking time to respond

@CafeElectrico 5 месяцев назад

I am using the same inductor value, but the sound volume is very low. How are you recording the sound? Thanks!

@user-ru9gj5er5u 23 дня назад

If I use guitar cable whether it's possible?

@the2d Год назад

I accidentally made one of these when making an 8H inductor filter for my synth, it was loud

@prussian7 2 года назад

I used a cassette tape head, for my inductor.

@prussian7 2 года назад

I planned on putting in a 60Hz notch filter but never did. Someday ;)

@catfeline1530 3 года назад

All you need now is a haunted house lol

@Myron0117 Год назад

I wanna build one of those things to record electric train sounds

@ranranchannel3450 3 месяца назад

Same

@AP-ye4nl 2 месяца назад

turned on CC while I was on my phone and I don't know what made the CC for this video but they're kind of crazy. Melody in my clothes on your hand the fight Together Together one hundred Thousand Mile and more interesting people make you sweat

@AlteraSound 2 месяца назад

Apparently Google thought I was speaking Vietnamese and "translated" accordingly. On the upside, those would make for some interesting song lyrics.