When building a high-performance home theater system is it better to use in-wall components or on-wall boxes and why? This viewer is anxious to build his own home theater and do it right.

The engineers at Naim Audio want to make sure your speaker cables are not too short. They claim that bad sound will happen if they are less than a certain length. Paul scratches his head on this one.

Has technology left audio behind? We see 8K televisions but seemingly the same old audio products in new chassis and form factors but nothing really innovative. Is that true?

What is it about high power amplifiers that have audio reviewers insisting on their use? Wouldn’t a 50 or 100-watt amplifier be more than sufficient to drive a small set of speakers like the KEF LS50?

Why do speakers have holes in them called ports and what’s the best way to build a speaker? Ported, sealed, or passive radiator? Gives us his opinion on which construction is best.

There are many types of speaker cable terminations ranging from the bare speaker cable to spade lugs and banana plugs. Do they make a difference in sound quality and if so which are best?

Many audio systems are just mediocre, masking inner details and audible cues that allow the listener to look deeper into the recording. A revealing system is an exact opposite and Paul explains how.

The RIAA curve is a rather dramatic equalization network applied to record albums and 45s over the last half-century. Why is it there, what does it do, and when can we expect it to be retired?

Years ago there was a massless tweeter called the Blueflame and it was an incredible sounding high-frequency driver. Whatever happened to that tweeter and the Hill Pasmatronic speakers?

Double conversion UPS are AC regenerators like the Power Plant, so why not save money and use one of those instead of a more expensive device from PS Audio? Paul gives us a quick lesson in power factor and Class D amplifiers.