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From the March 2001 issue, Michael Fremer finds that, although homely in appearance, the Herron">http://www.stereophile.com//amplificationreviews/441/">Herron Audio M150 monoblock power amplifier has several endearing qualities. As Fremer explains, "Herron approaches the marketplace in a cautious, stealthy manner, working from the ground up to grab the ears of audiophiles." MF tells us where this amp grabbed him.

Audiophiles almost universally agree that hearing—or "auditory perception" to neuroscientists—improves with practice. That phenomenon would explain why many of us are able to hear differences between audio components that untrained listeners can't hear.

Most folks have enough room in their homes (some college students excepted) to easily place 100W amplifiers without regard to size or heat. But in the car, high-powered amps have always been relegated to the trunk or under a seat, often requiring creative solutions for anything with real heft.

Audiophiles know that cleaning up their AC supplies can yield a cornucopia of sonic benefits, including a quieter background, better retrieval of detail, and a subjectively wider dynamic range. The phenomenon is so well-recognized that it has spawned an entire industry devoted to making electrical conditioners, line filters, noise suppressors, and specialty power cords.

Hard-disk–based audio systems having been gaining traction in recent months, with a half-dozen consumer electronics companies announcing or selling products. These new components model what savvy computer users have been hacking together for years—a software-controlled music library based on hundreds or thousands of CD or MP3 files stored on a hard disk.

As reported last">http://www.stereophile.com/news/11171/">last week, the US Justice Department has launched an anti-trust investigation of the music industry's strategy for online distribution. The probe intensified during the fourth week of October, with investigators presenting at least 10 "civil investigation demands" (CIDs) to participants in the music industry's nascent Internet ventures, MusicNethttp://www.musicnet.com">MusicNet; and pressplayhttp://www.pressplay.com">pressplay;.

Kalman Rubinson says he "anticipated the installation of the TacT">http://www.stereophile.com//amplificationreviews/437/">TacT Audio RCS 2.0 digital equalizer/preamplifier with mixed emotions." Would his hard work at setting up the perfect listening environment be rendered irrelevant in the face of digital signal processing? Or would the future of audio unfold at his feet?