SACDs and DSD sound very different but are they really? Paul explains the difference between these two similar sounding formats and clears the air.

Speakers work with coils of wire and permanent magnets. But, why not use coils of wire for both the permanent magnet as well as the voice coil?

We’re told that for best sound quality it’s better to get a high current power amplifier or receiver connected to our speakers.

As record albums have but one groove they produce two channels of stereo audio. How does that work? Paul explains it all.

A power amplifier cannot deliver power to a speaker without being asked by the speaker, which brings up the question from this person of whether power is pushed in or pulled out.

There’s an ongoing debate between the people who cannot or will not recognize differences in amplifier designs and those that accept those differences. Paul jumps right into the middle of the debate and touches on the divide in our country and fake news too.

What’s the difference between vertical and horizontal biamplification? Paul explains in detail the two disciplines and helps this person with some of his terminology.

In a properly set up high end audio system the sound should appear to come from behind the speakers, which can be a little confusing since the actual sound is coming from in front.

If we start with a class A preamplifier our amplifier, should the other gear in the system match, or is it alright to choose different topologies for different stereo tasks?

With all the distortions, needle scrapings, and problems associated with stereo systems is it ever possible to hear exactly what the original recording was like?