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Perlisten Audio D15s Subwoofer Review
July 9, 2025
Vienna Acoustics Mozart Infinity Active Speakers Review
July 7, 2025
GOOVIS G3 Max 3D Head Mounted Display Review
July 2, 2025
Sonus faber Concertino G4 Bookshelf Speaker Review
June 30, 2025
Viture Pro XR Glasses Review
June 25, 2025
NAD Masters M66 BluOS Streaming DAC-Preamplifier Review
June 23, 2025
Amplifier Reviews
Audio Accessory Reviews
Audio Cables
Audio Player Reviews
All-In-One Systems
DACs
Headphone Amplifier Reviews
Headphone and Earphone Reviews
Speaker Reviews
Receiver and Processor Reviews
Video Accessory Reviews
Video Displays Reviews
Video Players Reviews
Vinyl Reviews
Product Previews
Features
Features
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VIABLUE and AVM Factory Visit 2025
July 16, 2025
A Collection of New Vinyl for the Audiophile: July 2025
July 10, 2025
TEAC Factory Visit – Carlo in Japan Part: 1
June 19, 2025
Munich High End 2025 Show Coverage
June 2, 2025
A Collection of New Vinyl for the Audiophile: May 2025
May 22, 2025
AXPONA 2025 Show Coverage
April 21, 2025
Movie Reviews
SECRETS World of Vinyl
Vinyl Music Reviews
Custom Home Theaters
Show Reports, Film Festivals and Concerts
Best Of Awards
CD Music Reviews
Musician and Vocalist Artist Interviews
DIY
Tours, Interviews and Book Reviews
Reader Reviews
Tips
What We Are Listening To!
What We Are Watching!
SECRETS Gallery
David’s Classical Corner
Technical
Technical
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Printed Circuit Boards (PCBs): How They Are Manufactured
July 3, 2025
Dual Triode Vacuum Tubes 12AX7 and 12AU7 – Why They Are So Popular for Use in Audio Amplifiers
June 12, 2025
The Differences Between ®Dolby Atmos and ®DTS: X
May 29, 2025
The Concept of Radiation Resistance and Speaker Driver Diameter – Why Woofers Have to be Large
May 15, 2025
The Application of Fast Fourier Transform (FFT) to Digital Audio Files
May 8, 2025
The Mathematics of How Analog-to-Digital (ADC) and Digital-to-Analog (DAC) Converters do Their Job
April 17, 2025
Technical Reviews
Primers
Editorial
Editorial
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Why Custom Installers Should Consider BenQ’s W5800 Home Cinema Laser Projector
June 26, 2025
My Go-To Power Amplifier When Compromise Is Not an Option
April 24, 2025
Listening to a Kii Three BXT System: Sometimes it is Good to Meet your Heroes
April 16, 2025
Secrets Becomes a Member of EISA
April 10, 2025
Magnetic Lazarus, or “How I Learned to Love Cassette Tapes”
April 3, 2025
JJ’s 2024 End of Year Season’s Greeting
December 23, 2024
Editor’s Desk
OpEd
Blogs
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Sorta Hifi Episode 15 – High-End Carlo
July 14, 2025
SORTA HIFI Episode 14: Get Your Hearing Checked?
April 5, 2025
SORTA HIFI, Episode 13 – Back To Florida!
March 14, 2025
Arylic A100 Power amplifier with FM and Streaming Review
March 5, 2025
dbx 510 Subharmonic Synthesizer for Creating Amazing Deep Bass in Your Home Theater
February 6, 2025
SORTA HIFI, Episode 12 – Vomiting with the Village People.
February 4, 2025
Blogs & Little Things
JJ Thoughts
OpEd
AV Directory
Recommended Gear
The Design and Function of Transistors in Audio: Past, Present, and Future
Robert Cordell
January 23, 2025
SECRETS 30th Anniversary Year-End Video
John E. Johnson, Jr.
December 24, 2024
Audia Flight and Alare Factory Tour 2024 (Or An Audiophile’s Taste of Italy – Part 3)
Carlo Lo Raso
December 5, 2024
WAKING TO LIVE JAZZ
Lory Hawley
October 31, 2024
Secrets 30th Anniversary Winners
Secrets
October 30, 2024
Life on the Edge – A Personal Perspective on the Past, Present, and Future of Class D Audio Amplifiers
Bruno Putzeys
October 22, 2024
Home
30th Anniversary
30th Anniversary
A History of Geshelli Labs: The Little Audio Company That Could.
Sherri Bisceglia
October 10, 2024
The Sound of Tubes – Why is it So Good?
Lukasz Feliks
October 3, 2024
Raising the Bar on Speaker Performance. A Loudspeaker Designer’s Perspective.
Bill Dudleston
September 26, 2024
WAM Engineering LLC – Interview with J.R. Boisclair
Jeff Wheaton
September 19, 2024
Gold Note Factory Tour 2024 (Or An Audiophile’s Taste of Italy – Part 2)
Carlo Lo Raso
September 17, 2024
HOW TO USE ROON.
Glenn Young
September 12, 2024
“The Role of Art in the Industrial Design of Audio Products.”
Kostas Metaxas
September 5, 2024
Memories of Heathkit and My Dad.
Lory Hawley
August 29, 2024
Unison Research – Opera Loudspeaker Factory Tour 2024 (Or An Audiophile’s Taste of Italy – Part 1)
Carlo Lo Raso
August 22, 2024
How Has Audio Evolved in the Last 30 Years?
Norman Varney
August 15, 2024
The Evolution of Projector Light Sources From Incandescent to Solid State
Chris Eberle
August 8, 2024
Digital-to-Analog Converters (DACs) and How they Work
David A. Rich, Ph.D.
August 1, 2024
How to Shop for Speakers
Francisco Licon
July 25, 2024
The History of SECRETS
Secrets
July 1, 2024
30 Years of Loudspeaker Technology
Jim Clements
July 1, 2024
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