Call Us: 1-800-PSAUDIO


Have a burning question for our founder, Paul McGowan? How something works? How to get the most out of your system? Tubes? Transistors? Streaming? Servers? Stories?

Paul will answer one question each day and share it “live” and unrehearsed on video. Submit your own question through the form on this page and Paul will answer those chosen by our editorial staff. Please leave your first name, location, and email address so we can credit you for asking.

Don’t miss a video; sign up to our YouTube Channel here:


Ask a Question

Ask Paul

  • After labeling the subject, here's where you type in your actual question for Paul. If the question involves an immediate need, this is not a good place as Paul won't see them for weeks. If you have an immediate question email us [email protected] and we'll get right back to you.

Digital recording, analog sound 3

Posted 2 days ago

Analog has long been the gold standard for digital audio to replicate, but long ago the actual technology of digital left analog in the dust. Why do we still use the term "analog" to describe perfection in music's reproduction?

Watch Now

Can you combine multiple XLR cables? 2

Posted 6 days ago

XLR balanced interconnects are the best sounding connections between stereo equipment when high performance audio is concerned. But what if you do not have the proper length of cable? Can you connect two or more?

Watch Now

What is discrete circuitry? 6

Posted 1 week ago

We hear about integrated circuits as well as discrete circuitry. What are the differences between the two and are there advantages?

Watch Now

How does vinyl playback work? 1

Posted 3 weeks ago

The grooves on a record contain all the information of every kind of music from rock and roll to classical, but how does that work? How can a series of wiggles translate into the London Philharmonic Orchestra?

Watch Now

Switching supplies vs. analog supplies 2

Posted 3 weeks ago

The trend in electronics today leans towards inclusion of a switch mode power supply as opposed to the more traditional toroidal analog supplies. Is this a good trend and how do they work?

Watch Now