When it comes to receivers, amplifiers, and stereo separates, they all seem to be the same width. Is there an industry standard? How did this come about?

When we see successful business owners, celebrities, and people that have turned their hobbies and passions into careers we ask, “how?”. Paul helps us understand what it takes to turn a hobby into a career and change the rest of your life.

Why can’t engineers wrap their heads around things that don’t agree with their measurements? Where do they go wrong and why?

It makes sense amplifier specifications list the maximum frequency they can amplify, but the lowest? Shouldn’t the low frequencies be automatic if an amplifier can work at higher frequencies?

If you are trying to power a 120 volt piece of equipment from 230 volts, you’ll need a step down transformer to do so. Does that device harm the sound quality?

There are hundreds of parts in an amplifier’s circuitry, but what is it that they do? Paul tries to explain in simple terms what they do.

PS Audio began nearly 50 years ago with a phono preamplifier. In all these many years they’ve never built a turntable. Is there one on the horizon?

Are Class D amps getting better? Paul helps us understand the differences in class AB and D and what they sound like these days.

If you enjoy the sound of vacuum tubes but wish for the longevity of solid state, can MOSFETS help?

It’s hard to evaluate the sound of inwall speakers because most dealers don’t have them on display. Can you relate what you hear with a company’s other speakers?