An increasing number of products use what's called a universal power input, meaning they can be run on any voltage from 100 to 230 volts without a problem. Why don't stereo equipment manufacturers do the same?

When voicing equipment what kinds of audio tracks are used as a reference? Does PS Audio ever use unknown tracks and artists or do they stick with the same old tunes?

Which brand of speakers does Paul prefer? Martin Logans or Wilson Audios? Find out what he really feels and why.

We often hear audio manufacturers referring to technology such as fully balanced amplifiers or differential amplifiers. What's the difference between the two?

Are PS Audio products designed to have a lifecycle of a specific period of time so they can sell more of them to customers? Is there a set plan to the length of time products remain relevant?

Why are some loudspeakers forward sounding in their presentation of music while others seem the opposite—laid back and easy?

Every album and CD played seems to have a different volume level despite the fact this fellow has never changed his DAC's level control. Why?

Once in time Class H amplifiers were all the rage and today, you never hear a peep about them. How did they work and why did they quietly die away?

How are the other drivers in a speaker enclosure such as a midrange and tweeter protected from the back pressure of the woofer?

Is it price, parts quality, brands, or designers that makes some audio products sound better than others? Learn the truth behind how manufacturers decide what products are going to cost.

Are monoblock amplifiers better than stereo amplifiers and, if so, why? Paul answers this vexing question once and for all.

The iconic PS Audio "swoosh" is explained to this interested viewer.

Speaker drivers are deceptively simple. There's a lot more going on than just a cone and magnet.