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Do double blind tests work? 6

Posted 1 year ago

The double blind test where neither the subject nor the interviewer knows what's being tested is assumed to be the gold standard in unbiased testing. Yet, there are problems with this method when evaluating sound quality.

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Would dedicated lines cause ground loops? 0

Posted 1 year ago

Running separate ground and power lines for each piece of audio or video equipment is a smart way to run your system for best sound quality. But are there problems from ground loops and their hum?

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Why should tweeters be ear level? 2

Posted 1 year ago

Tweeters are said to be best when at the same vertical height as the listener's ears. Is that true and if so why? This viewer disagrees with that assessment and grilles Paul.

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Has Paul McGowan become jaded? 3

Posted 1 year ago

With nearly 50 years of experience in the high-performance audio field this viewer wants to know Paul's level of commitment and enjoyment of what he does for a living.

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Can amplifiers cause sibilance? 1

Posted 1 year ago

This viewer is plagued with unwanted sibilance in his system and he wonders about the cause of it. Can it come from the electronics, the source, the speakers, or all three?

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What makes music sound live? 5

Posted 1 year ago

We know live music from afar without seeing the musicians play, and we can almost always tell if the sound is reproduced, but why? What makes live music sound live and reproduced not?

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Should we say goodbye to linear amplifiers? 6

Posted 1 year ago

Now that Class D amplifiers seem to be taking over even the high-performance area of musical amplification is the day of the linear amplifier over? What's the future of linear amplification?

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Can one frequency distort another? 1

Posted 1 year ago

When playing two pure tones at the same time can that cause distortion? And, if so, what is it called and what can be done to remedy and eliminate that distortion?

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Why don’t musicians use audiophile speakers? 12

Posted 1 year ago

Musicians are hoping for a specific kind of sound when they use speakers to play their instruments through and audiophiles are looking for something very different. Paul gets into a rant about musicians not paying respect to their own music. Explicit language and high emotion alert.

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Should we have pure multi-channel audio? 2

Posted 1 year ago

Does pure multi-channel audio have a place in the broader world of high-performance audio or should it stay as a home theater format? This viewer wants to know why it is so rare to find high-quality multi channel audio.

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Is mono better than stereo? 3

Posted 1 year ago

This viewer considers stereo a gimmick and much prefers the sound of his two-channel audio system as mono rather than its intended stereo image. Can mono have 3-dimensional sound characteristics?

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How important are power amplifiers? 1

Posted 1 year ago

Power amplifiers are some of the most critical pieces to a high-performance audio system yet often times they are either misunderstood or under appreciated. Paul Explains why.

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Do chassis keep magnetic fields inside? 3

Posted 1 year ago

Stacking stereo equipment runs the risk of interference from magnetic fields. Do chassis effectively keep out those magnetic fields and if so, how do we know which ones do a better job?

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What is amplifier damping factor? 10

Posted 1 year ago

We are told to pay attention to an amplifier's damping factor and that it is something that controls speakers, yet, just what is damping factor and how is it calculated?

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Were you with Giorgio Moroder in Europe? 2

Posted 1 year ago

Paul pulls back his kimono on sound of the crazy stuff he did in Europe and shares some family secrets about the music scene in Munich and his time with musicians Elton John and Giorgio Moroder.

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Do woofers benefit from break-in? 1

Posted 1 year ago

We know that new speakers require a degree of break in to sound their best, but what about maintenance? Do they lose their elasticity over time and what should we do about that?

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Do grounding boxes improve sound? 1

Posted 1 year ago

Several accessory companies manufacture and sell extremely expensive ground boxes and this customer wants to know if they work and why. Paul says it doesn't matter if they work or not, there's a bigger issue at stake.

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Can hum and hiss be eliminated? 2

Posted 1 year ago

We often see low THD figures in specification sheets of hifi equipment but do those numbers have anything to do with hum and hiss in equipment?

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