Is there a perfect volume level for an amplifier or a system? And, if so, why? How does this work?

What possible reason is there to hate Class D amps? They are efficient, good sounding, technically advanced, and our own is a Stereophile Class A product a category shared by amps costing upwards of $200,000.

We read of claims like fraud! Snake oil! Hucksters! When it comes to high end audio, and we know there’s no more here than anywhere else. So, why all the anger?

Tubes offer a sweet and musical sound depending on where in the system chain they’re located. Should they be in the amp, preamp, or both? And if in the amp where’s best? Find out all about tubes.

Capacitors sound different. They can be in the power supply or the signal path and depending on their type and construction, provide very different sound quality on a high end audio system. Find out how they work and why they sound differently.

M

Most high-end audio products are built to voltage specific to the country’s incoming AC levels, like 220 volts or 120. Why don’t more HiFi products have universal voltages so they can just be plugged into the wall wherever they are being used and just work?

We have all heard the term resolution as it applies to audio and its reproduction. What does it actually mean? How is it achieved? Does everyone have it? Lots of question for Paul to answer on the fascinating subject.

MQA is one of the more controversial formats of recording and storing music ever to hit the high end audio world. Our customers want to know what it is, how it works, and what our opinions of its benefits or issues are.

Years ago there were kits everywhere. Heatkits, Dynakits, Eico kits. But now there seems to not be DIY projects and kits available anymore. Is this true and if so, why did they go out of popularity?