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Location:

United States

Twitter:

@psaudio

Language:

English

Contact:

7204068946


Episodes

How do designers know what to engineer if it cannot be measured?

8/16/2018
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So much of what we hear in audio cannot yet be measured. How then can engineers design circuitry around such unknowns and how do they know if they’ve succeeded or failed?

Duration:00:09:42

How do headphone amps differ from speaker amps?

8/15/2018
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Headphone and loudspeaker amplifiers certainly seem like they should be the same but looking at them quickly dispels that notion. So, what is different between the two topologies?

Duration:00:06:28

How do you know all this stuff?

8/14/2018
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With hundreds of videos, dozens of designs, multiple inventions to his credit, how does Paul McGowan get all his experience and information he shares with us?

Duration:00:07:03

How far can you take vintage audio equipment?

8/13/2018
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There’s some great vintage audio equipment on the market still. What are the chances and opportunities to renew them with newer and better parts?

Duration:00:07:39

How important is clean power?

8/12/2018
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Clean power is said to be critical to the performance of high-end audio equipment, yet is that so? Power expert Paul McGowan gives us a slightly different viewpoint on the subject, one that’s going to be surprising to many.

Duration:00:10:48

How to match a preamp to a power amp

8/11/2018
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What factors do we look for in the specifications of preamps and power amps to make sure we have the perfect match. Paul gives us a quick tour of the challenges and solutions to properly matching preamps to amplifiers.

Duration:00:07:20

How to set a subwoofer’s crossover

8/10/2018
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When setting a subwoofer up should its frequency limits match those of the main speaker or lower or higher? This is a question asked a lot and Paul helps us understand the intricacies of the all-important setup process.

Duration:00:06:24

Is the loudness war over?

8/9/2018
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The loudness wars, or the war against dynamic range, is still alive and well and that is unfortunate. But, there’s hope and Paul helps us understand the beginnings of the loudness campaigns and why they are so prevalent today.

Duration:00:07:44

Why do speakers have rear tweeters?

8/8/2018
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Some loudspeakers feature rear mounted tweeters in addition to their front mounted tweets. What are these rear ones for and what advantages do they offer music lovers?

Duration:00:06:14

Why does my stereo performance change from day to day?

8/7/2018
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Nights, days, weekends, workdays, the stereo sounds different to this viewer. Paul explains why and offers an interesting solution to an age-old problem that has plagued many a high-end stereo user for many years.

Duration:00:07:43

Why doesn’t low THD equate to good sound?

8/6/2018
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You’ve said in the past that measurements cannot tell us how electronics sound. Please explain why this is true and how specifically, THD isn’t a good indicator of sound quality.

Duration:00:08:37

Why don’t hifi systems sound live?

8/5/2018
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Here’s a problem Paul has struggled with for nearly 40 years and still, to this day, he only has succeeded in solving a partial bit of this terribly difficult problem. Find out his thoughts on why stereo systems do not replicate the sound of live music and what is being done to solve that problem.

Duration:00:07:55

Why don’t more preamps have polarity switches?

8/4/2018
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Polarity controls are rare on equipment and this viewer wonders why and Paul does his best to explain what a polarity (or phase) switch is and why it’s not trivial to add it to a piece of equipment.

Duration:00:07:55

Why don’t subwoofer have high pass filters?

8/3/2018
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If subwoofers were able to roll off the bottom end of the main loudspeaker, wouldn’t there be advantages like greater clarity, lower distortion, and less power spent? And, if that’s true, why don’t manufacturers offer such filters with subwoofers?

Duration:00:07:56

Why aren’t rotary subs not more popular?

8/2/2018
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Subwoofers help our systems come alive by bringing the realism associated with live events into our homes and supplementing where our main speakers fall short. But they only go down so low. Is it possible to go lower than what a conventional subwoofer does? Enter the Rotary Sub.

Duration:00:08:03

Where are your dollars best spent in high-end audio?

8/1/2018
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We’re all on some type of budget and this question revolves around how best to spend those dollars when building a high-performance audio system. From the under $1,000 killer system to the $100,000 killer setup, choosing how and when to spend money is an art.

Duration:00:06:09

What is PRAT?

7/31/2018
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Pace, rhythm, and Timing are what PRAT means but how do you achieve that when designing an amplifier? Is it possible to control the PRAT of an amp that reviewers refer to?

Duration:00:05:17

What do audiophiles think about soundbars?

7/30/2018
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What do audiophiles think about soundbars designed for under the television sets? Their claims of high performance and sonic superiority are certainly wild enough to suggest they are likely God’s gift to mankind. But, what’s the truth?

Duration:00:05:51

What can be done to better recordings?

7/29/2018
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The three pillars of reproduced music are the recording, storage, and reproduction. Which of these pillars can be improved upon? Paul suggests the recordings themselves could be.

Duration:00:08:47

Voicing systems with amplified bass

7/28/2018
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When PS Audio voices its amplifiers for bass it is performed on the IRSV which itself has a separately amplified woofer section. How can you accurately voice bass on a system that has its own bass amplification system?

Duration:00:07:33