Panacea or Snake Oil?
You know about them: audio products or tweaks that fall outside the standard definition of audio component. They're not source components like CD players, not amplifiers or preamplifiers, not loudspeakers, not power-line conditioners or cablesand, if aimed at modifying room acoustics, they're not the standard devices that absorb or disperse sound. Let's call them Unorthodox Audio Products (UAPs). They promise a kind of audio panacea: something that fixes whatever's wrong with the sound of your system.
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I must admit that, for a long time, I found it difficult to accept the idea that a major portion of one's audio budget should be spent on the preamplifier. Speakers, yesthey produce the sound; amps drive the speakers, so they're important. And source components? Well, everyone knows it's garbage in/garbage out. But a preamp? Even the name suggests something that's not quite the real thing, like pre-school, pre-med, or premature. Unlike amplifiers, they don't have to contend with loads that sometimes approach a short circuit, and heat dissipation is not normally a problem. What's the big deal?