On one hand we're told more capacitance the better, while on the other hand we're told there's no cap like no cap. What gives? How can both be true?

Why do so many loudspeakers feature multiple smaller woofers while it's known you need big woofers for bass?

PS Audio on occasion uses ICs but, for the most part, we rely upon the benefits of discrete circuitry. Would we consider a custom IC?

What combinations of equipment, room, and skill go into making a stereo image? Learn from the Audiophile Guru, Paul.

Infinity speakers once sported two tweeters, one in front and one in the rear. Why? This doesn't happen too much on other speakers.

Regenerators like PS Audio's Power Plant perfect AC power. Can one use it directly in a valve circuit?

Most preamplifiers have two outputs: a line out and a preamp out. What are the differences?

How does PS Audio deal with equipment sonic signatures? Do we purposefully use tubes and transistors to tailor the sound to some criteria?

What is a sonic hologram generator and how does it work?

There's a ton of disinformation on the internet about impedance, loudness and power levels needed for both speakers and headphones. Paul sets us straight.

Is it better to use digital or physical means for room correction?

When companies manufacture products for different country's voltages what compromises are being made?

Differential inputs on preamps and amps? What's that mean and why would we care?