COPPER

A PS Audio Publication

Issue 100 • Free Online Magazine

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225 issues and counting

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#226 JJ Murphy’s Sleep Paralysis is a Genre-Bending Musical Journey Through Jazz, Fusion and More by Frank Doris Jan 05, 2026 #226 Stewardship by Consent by B. Jan Montana Jan 05, 2026 #226 Food, Music, and Sensory Experience: An Interview With Professor Jonathan Zearfoss of the Culinary Institute of America by Joe Caplan Jan 05, 2026 #226 Studio Confidential: A Who’s Who of Recording Engineers Tell Their Stories by Frank Doris Jan 05, 2026 #226 Pilot Radio is Reborn, 50 Years Later: Talking With CEO Barak Epstein by Frank Doris Jan 05, 2026 #226 The Vinyl Beat Goes Down to Tijuana (By Way of Los Angeles), Part One by Rudy Radelic Jan 05, 2026 #226 Capital Audiofest 2025: Must-See Stereo, Part Two by Frank Doris Jan 05, 2026 #226 My Morning Jacket’s Carl Broemel and Tyler Ramsey Collaborate on Their Acoustic Guitar Album, Celestun by Ray Chelstowski Jan 05, 2026 #226 The People Who Make Audio Happen: CanJam SoCal 2025, Part Two by Harris Fogel Jan 05, 2026 #226 How to Play in a Rock Band, 19: Touring Can Make You Crazy, Part One by Frank Doris Jan 05, 2026 #226 Linda Ronstadt Goes Bigger by Wayne Robins Jan 05, 2026 #226 From The Audiophile’s Guide: Active Room Correction and Digital Signal Processing by Paul McGowan Jan 05, 2026 #226 PS Audio in the News by Frank Doris Jan 05, 2026 #226 Back to My Reel-to-Reel Roots, Part 25: Half-Full, Not Empty by Ken Kessler Jan 05, 2026 #226 Happy New Year! by Frank Doris Jan 05, 2026 #226 Turn It Down! by Peter Xeni Jan 05, 2026 #226 Ghost Riders by James Schrimpf Jan 05, 2026 #226 A Factory Tour of Audio Manufacturer German Physiks by Markus "Marsu" Manthey Jan 04, 2026 #225 Capital Audiofest 2025: Must-See Stereo, Part One by Frank Doris Dec 01, 2025 #225 Otis Taylor and the Electrics Delivers a Powerful Set of Hypnotic Modern Blues by Frank Doris Dec 01, 2025 #225 A Christmas Miracle by B. Jan Montana Dec 01, 2025 #225 T.H.E. Show New York 2025, Part Two: Plenty to See, Hear, and Enjoy by Frank Doris Dec 01, 2025 #225 Underappreciated Artists, Part One: Martin Briley by Rich Isaacs Dec 01, 2025 #225 Rock and Roll is Here to Stay by Wayne Robins Dec 01, 2025 #225 A Lifetime of Holiday Record (and CD) Listening by Rudy Radelic Dec 01, 2025 #225 Little Feat: Not Saying Goodbye, Not Yet by Ray Chelstowski Dec 01, 2025 #225 How to Play in a Rock Band, Part 18: Dealing With Burnout by Frank Doris Dec 01, 2025 #225 The People Who Make Audio Happen: CanJam SoCal 2025 by Harris Fogel Dec 01, 2025 #225 Chicago’s Sonic Sanctuaries: Four Hi‑Fi Listening Bars Channeling the Jazz‑Kissa Spirit by Olivier Meunier-Plante Dec 01, 2025 #225 From The Audiophile’s Guide: Controlling Bass Frequencies Through Membrane Absorbers (and How to Build Your Own) by Paul McGowan Dec 01, 2025 #225 Your Editor’s Tips for Attending Audio Shows by Frank Doris Dec 01, 2025 #225 PS Audio in the News by Frank Doris Dec 01, 2025 #225 Back to My Reel-to-Reel Roots, Part 24 by Ken Kessler Dec 01, 2025 #225 Holiday Music by Frank Doris Dec 01, 2025 #225 Puppy Prognostication by Peter Xeni Dec 01, 2025 #225 How to Post Comments on Copper by Frank Doris Dec 01, 2025 #225 Living Color by Rudy Radelic Dec 01, 2025 #224 T.H.E. Show New York 2025, Part One: A New Beginning by Frank Doris Nov 03, 2025 #224 Fool’s Leap of Faith is the Extraordinary Octave Records Debut from Singer/Songwriter Tyler Burba and Visit by Frank Doris Nov 03, 2025 #224 The Beatles’ “Aeolian Cadences.” What? by Wayne Robins Nov 03, 2025 #224 Persona Non Grata by B. Jan Montana Nov 03, 2025 #224 Talking With Recording Engineer Barry Diament of Soundkeeper Recordings, Part Two by Frank Doris Nov 03, 2025 #224 B Sides, B Movies, and Beware of Zombies by Rudy Radelic Nov 03, 2025 #224 The Burn-In Chronicles: 1,000 Hours to Sonic Salvation by Olivier Meunier-Plante Nov 03, 2025 #224 A Conversation With Mat Weisfeld of VPI Industries by Joe Caplan Nov 03, 2025 #224 Blues-Rocker Kenny Wayne Shepherd Celebrates 30 Years of Ledbetter Heights by Ray Chelstowski Nov 03, 2025 #224 Playing in a Rock Band, 17: When Good Gigs Go Bad, Part Two by Frank Doris Nov 03, 2025
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It's Hip to be Square

— By Frank Doris —
It's Hip to be Square

I’ll bet this amplifier sounds good! From Radio-TV Experimenter, Spring 1961.

 

Header image courtesy of Wikimedia Commons/User: Omegatron.

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