Have you ever wondered what makes a loudspeaker “difficult to drive”? Do you wonder what’s so special about an amplifier that is stable into a 4 ohm load? If these are the kinds of questions that ...

This popular article was originally published in the Jan. 16, 2019, issue of Radio World and Jan. 24, here at the website. Understanding electronics and electronic troubleshooting starts with knowing ...

Pass Labs’ new HPA-1c refines the original with lower noise, a redesigned power supply, and stronger performance, but its $4,045 price puts it up against serious rivals from Bryston, Violectric, and ...