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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
Passive, Active, and Hybrid Loudspeakers
Isaac Adams
June 13, 2024
Active Crossovers and DSPs
Isaac Adams
June 13, 2024
Musings on Binaural Recordings
Lory Hawley
June 12, 2024
Unveiling the Secrets of Stereo Imaging and Time Alignment
Secrets
June 10, 2024
Benchmark This!
Secrets
June 10, 2024
The Challenges of Audio Distortion
Secrets
June 10, 2024
Why is Contrast Ratio in a Flat-Screen TV or Projector Important?
Secrets
June 10, 2024
A Dive into the Depths of Video Resolution!
Secrets
June 10, 2024
DIRAC: A Discussion with Co-Founder Mathias Johansson.
Secrets
June 10, 2024
RP22: A Discussion of the New Immersive Audio Guidelines.
Secrets
June 10, 2024
The Evolution of the Spears & Munsil Test Discs.
Secrets
June 10, 2024
SECRETS 1.0: A Talk with the Original Secrets Crew.
Secrets
June 10, 2024
Vintage Audio: 30 Years of Great Equipment and Rebel Designers.
Jeff Wheaton
June 6, 2024
The History of Video, A Dual Perspective.
John E. Johnson, Jr.
June 6, 2024
A REVIEWER’S ROOM…
Glenn Young
June 5, 2024
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