I'll add some that haven't been mentioned.
Tech Ingredients - various experiments and builds. Everything on how to make rum to good novel speakers.
Erik Brandal - makes sound sculptures
/noclip - video game dev documentaries
This old Tony - Machining while being funny
Posy - Quirky beautiful retro HiFi/Tech
Edit: have to add Posy
I'll add some that haven't been mentioned.
Tech Ingredients - various experiments and builds. Everything on how to make rum to good novel speakers.
Erik Brandal - makes sound sculptures
/noclip - video game dev documentaries
This old Tony - Machining while being funny
Posy - Quirky beautiful retro HiFi/Tech
Edit: have to add Posy