Power amplifiers are pretty simple in concept: small signal in, lots of watts out. So, over all the many decades of design why are there no perfect power amplifiers?

Once a die hard vinyl person decides they want to dip their toe in digital waters, what's the best way to go about making the most of it without getting discouraged?

With the advent and popularization of streaming music services and cloud based libraries, is there any reason to own a CD player?

How different are the reproduction systems of musicians and studios versus those from high-end audio systems and audiophiles?

Preamps have a very specific function, to control the input selection and the system volume. Rarely, they also include sources. Why is that? Wouldn't it make more sense to add the sources for the music into the device that controls them?

Opinions on room treatment are as varied as any hotly debated subject in high-end audio. Live, dead, or somewhere in between, how's a person to know what to do?

There are perhaps as many ways to design and build a speaker as there are speaker models to buy: and that's a lot! What parameters did PS Audio choose to determine how to build their new speakers and why.

We see these little single box streaming speakers like those from Sonos, Amazon, or Apple, and wonder if they can truly make stereo or not? Do they just play at stereo or are they real?

If you have older audio equipment how do you know when it's time to move up to something newer and (hopefully) better? Paul's answer might just surprise a few.

It is sometimes difficult to understand why the holographic imaging of a properly set up speaker system requires the soundstage to be behind the loudspeaker. Paul explains why.

Bookshelf speakers are designed to be placed where their namesake suggests. Or, are they? Why do experts agree bookshelf speakers need stands?

PS Audio builds one of the world's only high-performance AC regenerators to power audio equipment. Why do they have to be so big? Can't you design smaller ones to individually power equipment?

If you're upgrading or assembling a stereo system from scratch what's the biggest bang for the buck? How can someone on a strict budget ever get good sound?