Easy Eelectronics

I am a fan of electronics and music producer but I want to explain to everyone how easy it can be if we give it a different approach.
Especially for the construction of our own sound system.
I leave the link of the playlist with all this content.
Playlist:
https://www.youtube.com/playlist?list=PLDu6DZ5Uh2eR2DV5677H7b2tjFFURT0QK
Donations are to improve the tutorials.
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PayPal:
https://www.paypal.com/donate/?business=CD9E4KTXJSHJ8&no_recurring=0&item_name=All+donations+are+to+improve+the+tutorials%2C+Many+Thanks&currency_code=USD
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Mercadopago:
https://mpago.la/1pq8AfY
Thank you so much.