Audio Capacitors: Their Purpose, How They Work, How They Are Manufactured, and How They Affect the Sound

John E. Johnson, Jr.January 30, 2025

As audiophiles, we have all heard about the parts in the audio equipment we purchase such as transistors, tubes, capacitors, resistors,...

CapacitorsElectronic ComponentsTechnicalTechnical ArticleTechnical Reviews

The Design and Function of Transistors in Audio: Past, Present, and Future

Robert CordellJanuary 23, 2025

Bob Cordell, an electrical engineer, is a prolific designer of amplifiers, audio test equipment, and other audio gear. He has published...

30th AnniversaryTechnicalTechnical ReviewsThe Now

Life on the Edge – A Personal Perspective on the Past, Present, and Future of Class D Audio Amplifiers

Bruno PutzeysOctober 22, 2024

The past quarter century of class D developments look strikingly different when seen through the eyes of the audio consumer and through...

30th AnniversaryTechnicalTechnical ReviewsThe Now

The Sound of Tubes – Why is it So Good?

Lukasz FeliksOctober 3, 2024

Vacuum tubes have been around for ages and the technology has been at some point considered obsolete. Technically, there were of course...

30th AnniversaryTechnicalTechnical ReviewsThe Now

Raising the Bar on Speaker Performance. A Loudspeaker Designer’s Perspective.

Bill DudlestonSeptember 26, 2024

A guest article by Bill Dudleston of Legacy Audio I am hopeful that you’ll find the following adventure enlightening and helpful on your path to improved...

30th AnniversaryTechnicalTechnical ReviewsThe Now

“The Role of Art in the Industrial Design of Audio Products.”

Kostas MetaxasSeptember 5, 2024

I truly believe that high-end audio is probably the purest and most direct expression of the contemporary arts and needs to be taken as...

30th AnniversaryTechnicalTechnical ReviewsThe Now

The Federal Trade Commission Imposes Dramatically Stricter Requirements for Amplifier Power Output Claims.

David A. Rich, Ph.D.August 27, 2024

In June of this year, the FTC revised the “Trade Regulation Rule Relating to Power Output Claims for Amplifiers Utilized in Home Entertainment Products.”

TechnicalTechnical Reviews

Digital-to-Analog Converters (DACs) and How they Work

David A. Rich, Ph.D.August 1, 2024

A Digital-to-Analog Converter or DAC box is an audio component that converts a digital audio signal, typically PCM, but some can decode...

30th AnniversaryLooking BackTechnicalTechnical Reviews

RP22 Immersive Audio Guidelines v1.0

Norman VarneyMay 23, 2024

Anyone who has followed me even for a short time knows that I’m an advocate of acoustic design and testing standards and improving upon them.

TechnicalTechnical Reviews

An Explanation of the Gamma Curve and Delta E in Video Displays and Projectors.

John E. Johnson, Jr.February 8, 2024

Your computer display, flat-panel home theater display, or home theater projector display has many controls to manage the image...

TechnicalTechnical Reviews

Determining Room Acoustics is a Six-step Process.

Norman VarneyJanuary 30, 2024

Have you wondered what is required to determine acoustic room treatments in order to get the most out of your system and have the best...

TechnicalTechnical Reviews

The REL 3D Subwoofer System and how it works

Todd CooperiderSeptember 8, 2022

REL has created an innovative concept to allow us to take our home theater experience to the next level and beyond.

TechnicalTechnical Reviews

Setting Up a Bryston BDA-3.14 Streaming DAC and Qobuz Streaming Service – A How-to Series, Part 2

John E. Johnson, Jr.February 10, 2020

Music and movie streaming is becoming increasingly popular at an astonishing rate. Streamers and streaming services have been here for a while but are...

Technical Reviews

Setting Up an AURALiC ARIES G1 Streamer and Qobuz Streaming Service – A How-to Series, Part 1

John E. Johnson, Jr.December 17, 2019

Music and movie streaming is becoming increasingly popular at an astonishing rate. Streamers and streaming services have been here for a while but are...

Technical Reviews

DCI-P3 Color – What It Means in Today’s Ultra HD World

Chris EberleSeptember 23, 2019

By now, in September of 2019, even AV enthusiasts new to the hobby will know about Ultra HD. It’s been around for several years now, starting with the...

Technical Reviews