Articles and buying guides about power amplifiers, tube amps, and amplification needs for stereo and multi-channel audio systems. Even though many of the links are a few years old, there was still enough relevant information to keep this page in our archive. Also, see our latest amplifier articles.
- How Class D Digital Amplifiers Work – eCoustics.com (5/09)
- Power Amplifiers: Ten Things You Always Wanted to Know – eCoustics.com (8/08)
- What Is Amplifier Gain? – eCoustics.com (7/08)
- How Loudspeakers Torture Amplifiers – Stereophile (7/07)
- The All Channels Driven Amplifier Test – Audioholics (7/06)
- Switching Amplifiers: The Technology and the Issues – Audioholics (4/06)
- Class D Switching Amplifier Basics – Audioholics (3/06)
- Reboxing Your T-Amp – TNT-Audio (7/05)
- The Issue of the FTC’s “Amplifier Rule” — Part One – SoundStage (3/05)
- T-Rex SET Amplifier: A DIY Project – Enjoy the Music (1/05)
- Upgrading the Bel Canto eVo2 – Positive Feedback (1/05)
- What is Bi-wiring and Bi-amping? – eCoustics.com (11/04)
- The ABCs of Digital Amplification – CEPro (9/04)
- The All Channels Driven Amplifier Controversy – Audioholics (9/04)
- Current Source Amplifiers and Sensitive/Full-Range Drivers – 6moons (8/04)
- Exploring the Unique Sound of Tube Amplifiers – SoundStage (5/04)
- Tubes Versus Solid-State – The Absolute Sound (3/04)
- Toob Madness or the 6SN7 Tube Zoo – Enjoy the Music (3/04)
- Digital Impact is Amplified – CEPro (2/04)
- Class D Is In Session: A New Choice in Amp Design – Sound & Communications (2/04)
- Dan D’Agostino of Krell: Power Is As Power Does – Stereophile (12/03)
- The SET Amplifier Movement – Stereophile (12/03)
- An Interview with Gary Morrison of Plinius – AudioEnz (12/03)
- Things to Consider When Buying a Stereo Amplifier – Masters on Audio (11/03)
- Boulder Amplifiers Factory Tour – SoundStage (11/03)
- The Truth About Digital Class D Amps – Audioholics (11/03)
- Soft to Loud: The Nature of Power and Dynamic Headroom – Axiom Audio (9/03)
- Secrets of Amplifier and Speaker Power Requirements Revealed – Axiom Audio (8/03)
- Less Power to You – Ultra Audio (5/03)
- What is a Differential Drive Amplifier – ATI (4/03)
- In Praise of Tubes – Ultra Audio (3/03)
- Class D Amps: Digital Audio’s Final Frontier – IEEE Spectrum (3/03)
- DIY: Using the 2A3 Tube – Audiofile & AV (10/02)
- The Ongoing Debate about Amplifier Sound – Masters on Audio (9/02)
- Power Amplifier Test Method Presentation – Sonic Design (9/02)
- A Touch of Class: How to Speak Ampese – Masters on Audio (5/02)
- How Amplifiers Work – How Stuff Works (3/02)
- About Home Theater Amplifiers – Cinema Source (2/02)
- Amplifier Power Ratings In The New Millenium and Beyond – esp (1/02)
- DIY Amp on a Budget – Audiofile & AV (1/02)
- Class D Amplifiers: Not Just Audio – Extron (12/01)
- Software Programs for the Intrepid Tubephile: GlassWare’s Tube CAD, SE Amp, and Tube manual – Enjoy the Music (11/01)
- Group Test of 300B Valves (Cetron, Electro Harmonix, JJ Electronics, Reflektor/Sovtek, Svetlana, TJ Mesh/Solid Anode Globe, Valve Art, Western Electric) – Enjoy the Music (11/01)
- Jon Wong Amplifier FAQ – 1388.com (9/01)
- Upgrading Your Home Theater System Power Amplifiers – Home Theater & Sound (9/01)
- Watts Up with Amplifier Power? – GoodSound (8/01)
- Buying Second Hand Amplifiers – TNT-Audio (8/01)
- NHT Guide to Biamplification – NHT (7/01)
- Benefits of Bi-Amping – esp (7/01)
- An Amplifier Drives Your Audio System – GoodSound (7/01)
- Amplifier Basics – How Amps Work – esp (6/01)
- How to Overcome Op Amp Limitations – TNT-Audio (4/01)
- DIY: Modifying Amplifier Bias Settings – TNT-Audio (3/01)
- Class-A Amplifiers explained – esp (3/01)
- A Single-Pole Passive Filter For Beautiful Biamping – Stereo Times (12/00)
- DIY: Solid State power supplies for amplifiers – TNT-Audio (12/00)
- DIY: Want Make Your Own Amplifier? – Audiofile & AV (10/00)
- Watts and dB’s – Audioholics (10/00)
- Tubes Do Something Special – Stereophile (9/00)
- Amplifiers FAQ on Biamping, Biwriing, Bridging and Power Needs – Web Audio Magazine (7/00)
- A Primer on Amplifiers, Tubes, Transistors, and Power – Secrets of Home Theater & High Fidelity (6/00)
- Pentodes, Triodes & Fake Triodes – Decware (6/00)
- What’s Next in Power Amps? – Digital Post Production (5/00)
- Tubes vs. Transistors — Audibly Different – Milbert (2/00)
- Amplifier Sound – What Are The Influences? – esp (2/00)
- Power Amplifier Efficiency Explained – esp (1/00)
- Noise in Audio Amplifiers – esp (1/00)
- Home Theater Sound: Amplifier Setup Basics – SoundStage (1/00)
- Amplifier classes (A, B, AB) – Duncan Amps (1/00)
- How a Vacuum Tube Works – Svetlana (12/99)
- Valve Amplifiers – Do they really sound different? – esp (11/99)
- What is Slew Rate and Damping Factor? – Audioholics (10/99)
- Are All Wattage Ratings the Same? – Audioholics (9/99)
- Specifications of audio video equipment – Audio Survey (8/99)
- The Amplifier: What’s Inside? What Makes a Difference? What’s Overlooked? – Part Three – SoundStage (11/98)
- The Vacuum Tube & the Human Ear – Absolute Sound (10/98)
- The Amplifier: What’s Inside? What Makes a Difference? What’s Overlooked? – Part Two – SoundStage (10/98)
- The Amplifier: What’s Inside? What Makes a Difference? What’s Overlooked? – Part One – SoundStage (9/98)
- Advice on Amps, CD Separates, Cabling, and Bi-amping – TAG McLaren (8/98)
- Understanding amplifier power ratings – ePanorama (8/98)
- Tubes vs. Transistors: Opinion – Decware (12/97)
- Audio Paradoxes – Decware (11/97)
- Power: How Much Do You Really Need? – SMR Home Theatre (9/97)
- Tubes vs Transistors: The Battle Continues – Audio Outlet (9/97)
- Russellmania: Bryston and the Brothers Russell – Stereophile (9/96)
- Gordon Rankin, Wavelength’s Single-Ended Man – Stereophile (1/96)
- Fashions, Fads, & Single-Ended Amplifiers – Stereophile (1/95)
- Questions of Impedance Interaction – Stereophile (1/94)
- Amplifier Troubleshooting Guide – Onkyo
- An Amplifier Listening Test – Stereophile (11/89)
- What is PMPO? What is RMS power? – Audio Video 101
- How do I bridge my amp? – Audio Video 101
- Bottles or Cans?: An Exploration of The Practical Differences Between Tubed and Solid State Electronics – Galen Carol Audio
- Bi-Amping: Pleasure or Pain? – Galen Carol Audio
- Relationship of Voltage Loudness, Power, and Decibels – Galen Carol Audio
- How to make sure your speakers match your amplifier – What Hi-Fi
- The Amp/Speaker Interface – Sound & Vision (6/91)
- The Sound of Transistors – Stereophile (5/75)
