Do you know how to build a radio receiver with only 3 components ? Let me tell you how:
1 - connect a speaker, a transformer and a potentiometer. 2 - plug it 3 - listen
Clear sound, no QRM.
Here is a video tutorial:
Jokes aside, I’ve never heard of this system before. Have you?
In USSR that used to be called ‘радиоточка’ or ‘radiotochka’ Here is a wiki on the system in Russian Проводное вещание — Википедия Similar system wiki in English Cable radio - Wikipedia Don’t plug that in to the Mains though
