Ohm's Law Podcast

Everything you ever wanted to know about audio, music and its reproduction is here. PS Audio co-founder and CEO Paul McGowan shares his more than 40 years of high-end audio experience, stories, interviews, and hilarious tales in this one-of-a-kind podcast. Ohm's Law is produced by PS Audio and presented ad-free for the community.
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Tubes and holographic imaging

If you want to get holographic imaging on your stereo system are tubes the way to go?

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Room acoustics

When this architect wants to design a room, what should he look for in acoustic treatments for best sound quality?

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Good and bad bass

How do you tell the difference between good and bad bass?

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CD direct vs preamplifier

Is it better to have the CD player or DAC go directly into the power amplifier or should there be a preamplifier between?

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Why phase is reversed

Many vacuum tube preamplifiers invert absolute phase at their outputs. Paul explains why.

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Where in the chain is it best to control volume?

In many high-end audio systems there are multiple spots to control volume levels. Where in the chain is it best?

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Setting up speakers in a small room

Small rooms and speakers are not a great combination, but Paul helps us understand what’s the best setup for this problem.

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Listening levels for reviewers

Wouldn’t it be great if audio reviewers listed the levels they played at while reviewing equipment? Maybe not and Paul tells us why.

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Does lossless sound different?

ALAC and FLAC are two lossless audio formats. Do they sound different than uncompressed audio in WAV and AIFF?

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Will Octave Records change PS Audio?

PS Audio has added a state of the art recording facility and record label to its company. Will these changes have an impact on the company’s audio products going forward? You can visit Octave Records at http://www.octaverecords.com

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Vintage vs modern speakers

Are there any great vintage loudspeakers when compared to modern speakers?

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Speaker distance from center

In The Audiophile’s Guide Paul recommends a specific distance from center for the speakers. What happens if the room doesn’t match what he wrote in the book?

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Open baffle speakers

The typical speaker has a box that supports the woofer. With an open baffle design, there’s no box anymore.

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Good sound at low volumes

Not everyone can play their stereo systems at the appropriate volume level. So, what’s the best we can do when the volume has to be low?

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Differences in digital audio cables

If digital audio cables make a difference why doesn’t the digital audio data change? How can something sound different when the data remains identical?

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Bi amping with mixed amp types

If you are bi-amping your speakers, is it alright to mix amplifier types between the tweeter and woofer?

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The definition of an Audiophile

Finally, someone asks Paul to define an Audiophile and here goes!

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The Audiophile’s Guide CD

The Audiophile’s Guide is Paul’s landmark book that helps audiophiles set up their system for three dimensional sound. The book relies upon its companion, the Reference Audio tracks.

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Older recordings and high resolution

Older recordings advertised as “high resolution” were often nothing more than upsampled audio. How do you know when it’s really higher resolution or just upsampled?

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Does vinyl add distortion?

If a digital audio copy of vinyl carries with it the “sound” of vinyl, does that mean vinyl is distorted?

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Audiophile surge protectors

It can be important to protect your audio system from surges and spikes but in so doing, we can often make worse the way they sound. How to get an audiophile surge protector without spending a lot of money.

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Subwoofer driver sizes

What difference does the subwoofer’s driver size make? Is an 8″, 12″, or even larger woofer alright to use in a smaller room?

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Do bigger transformers sound better?

If we are powering a phono preamplifier with an external power supply, does it help to increase the size of the power transformer for better sound quality?

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Why so many drivers in the Infinity IRS?

The Infinity IRSV has 130 drivers to make music. Why so many and what do they do?

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Why high end tables have no dust covers

Cheap turntables always have dust covers yet expensive tables do not. If dust is the enemy of vinyl, what’s up?

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Where to place the TV between speakers

If you are using a stereo pair of external speakers between a television set, where is it best to place the television?

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Stop by for a tour:
4865 Sterling Dr.
Boulder, CO 80301

Join the hi-fi family

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