Hifi DIY - building your own cheap EMI filter that actually works!
20:56
Make your own Dirty Electricity Filters!
12:41
Eliminate Your RFI - Build Your Own Mains Filter
24:30
Building an eBay power filter kit (with schematic).
27:28
Swiss Gold Bar made in China: FM Acoustics FM255 preamplifier review
12:44
How to solve EMC problems! || The mystery of the buzzing speaker
8:40
What is a DAC and why do you need one?
10:25
How to build a Professional Balanced Power Conditioner
33:04