Most stereo equipment does bad things to our home’s power lines. How do these problems affect sound quality and what can we do about them?

Stereo speakers were designed for music and no optimized for home theater. Is it a sin to use them for both?

This viewer has been told to plug their headphones directly into their power amplifier for best sound. Is that good or bad advice and why?

Which sounds better on vinyl playback? Moving magnet or moving coil cartridges? Paul explains them both so we have a clear idea.

It seems next to impossible that a single speaker driver can simultaneously reproduce so many frequencies. How does that work?

Does a CD played on a DVD mechanism sound better than a CD played on its namesake?

Want to build a great sounding interconnect for your high-performance audio system? Paul shows us how and why.

Most preamplifiers and integrated amplifiers no longer have a tape or record output so how does one connect a vintage tape deck to a modern preamp or amplifier?

Most subwoofers target the home theater marketplace rather than 2-channel audio. So, what makes a subwoofer work best in one environment or another?

Most speakers fill a portion of the room but don’t present a huge sweet spot that can be enjoyed anywhere in the listening area. This question tasks Paul to ask if it’s possible.