We hear the term Ohm a lot when it comes to speakers and power amplifiers but what does it actually mean and how can we use it to help our stereo decisions?

Is it possible to rebuild the sound of instruments captured long ago on vintage recordings? It seems movies can be modernized by colorization, but what about recordings?

Speaker boxes have a great deal of internal pressure from the woofer. How does that affect performance?

If you walk into a store like Best Buy how would you possibly know what to choose to build a high-performance system? Paul walks us through the process of narrowing down our choices to make it easier.

Amplifiers have different wattage ratings but their gains are very similar. How can a small wattage amplifier have the same gain as a large wattage power amp?

We know that older stereo equipment gets worse with age and capacitors have to be replaced among other things, but how about speakers? Do they age?

How can your laptop as well as your receiver control the master volume when using HDMI?

If your stereo system has a narrow sweet spot what can be done to widen it? Paul helps this viewer get a bigger soundstage and widens the sweet spot.

What exactly is high end audio and why do we refer to it as such? Is it that the equipment is expensive or that the practitioners are more focused or obsessed?

Loudspeakers don’t come close to offering the full frequency range that headphones do. Why is that?