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?

What do you like and dislike about electrostatic loudspeakers and more to the point, what’s your opinion of Martin Logans?

It’s the classic question of equipment placement. Do you go with longer interconnects or speaker cables and why?

Sometimes it’s difficult to find the retail price of products, especially higher priced stereo equipment. Why do manufacturers hide their pricing from the public?

PS Audio engineer Darren Myers shares the secrets of design in the new Stellar Phono Stage, a 700 part all discrete all FET design that’s never been attempted before. Extraordinary noise levels and remarkable sound quality is in store for vinyl lovers. Find out how it was done.

Lots of people have not been able to protect their hearing and are now suffering permanent damage from loud concerts. If that’s happened to you should you even consider high-end audio? Is it too late?

Speakers generally come covered in protective grille cloth by their manufacturers. Is it better to take that off or leave it on as the manufacturer specified?