Comment on Magnetic bass detection?
vk3kri@mastodon.radio 4 weeks ago
@einfach_orangensaft
How about a magnetic telephone pickup coil?
Not recommending this one in particular - just an example that wasn't from amazon.
https://www.elliottelectronicsupply.com/telephone-pickup-coil-suction-cup.html
TBH I'm not sure if there's enough magnetic leakage from the voice coil in a speaker for this to work.
Interesting, i didnt knew those existed at all, but thx for the suggestion i will try one of those!