Plate amps seem to be everywhere: on the back of speakers and subwoofers in particular. But, what are they exactly and why are they called plate amps?

Some believe the speaker enclosure is more important than the speaker’s drivers and crossovers. Is it true?

Selecting the proper wattage amplifier to match your speakers continues to be a mystery to many and Paul tries to unravel it once again.

When designing a new audio product do engineers at PS Audio use measurement equipment and or music? And if music what cuts?

Audiophiles spend thousands of dollars on gadgets and tweaks designed to get better sound through the cancellation of vibrations from the speakers. Real or snake oil?

Speakers are designed to reproduce music but not all are very good at it. What’s the difference between a musical and an a-musical loudspeaker?

The two types of inductors used in loudspeaker crossovers are air core and iron core. What’s the difference, which is better, and why?

Many speakers perform best when their tweeters are on the inside of the left and right pair. This viewer wants to know what will happen should they move to the outside.

Few homes are accepting of a pair of loudspeaker out into the room. Though they sound better, they don’t work with most people’s lives. Find out how PS Audio intends to solve this problem.

Vacuum tubes sound different over time and need to be exchanged for new ones. Is there an easy way to tell if they need to be replaced?