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Sounds Like? An Audio Glossary

Subjective audio is the evaluation of reproduced sound quality by ear. It is based on the novel idea that, since audio equipment is made to be listened to, what it sounds like is more important than how it measures. This was a natural outgrowth of the 1950s high-fidelity "revolution," which spawned the notion that a component, and an audio system as a whole, should reproduce what is fed into it, without adding anything to it or subtracting anything from it.

What It All Means: line-level preamplifier measurements

Though we sometimes take for granted that the basic "language" of our measurements is clear to all of our readers, letters to the editor tell us that this is not the case. Periodically, then, we will attempt to explain exactly what our measurements are and what they purport to show. Though those with technical training may find our explanations a bit simplistic, they're aimed at the reader who lacks such experience.

Holiday Reading

I recently scoured my shelves and came up with the following list of must-read books for stereophiles, all of which are in print and should be available from specialist bookshops or from the suppliers mentioned in the text. Books marked with an asterisk (*), though too technical for the general reader, will be found rewarding by those who have a good grasp of mathematics and who want to delve deep. Reading the books in the first "general" section of the list will enable readers to understand just about everything that appears in Stereophile, but all the books listed contain between their covers untold treasures.

Basso Profundo

Bass constitutes one of the least understood aspects of sound reproduction. Opinions vary greatly on matters of bass quality, quantity, and perceived frequency range or response. Moreover, the bass region is subject to the most unwanted variation in practical situations due to the great influence listening-room acoustics have on loudspeaker performance. Every room has its different bass characteristic, and changes in the position of speakers or listener also constitute major variables at low frequencies.

Enough Room?

Room acoustics, and their importance, may not be subjects which we ponder daily here at Stereophile, but they are never far from our consciousness. Two recent events served to spotlight them yet again: the setting-up of our first-ever panel listening test of moderately priced loudspeakers (Vol.14 No.7), and a letter from a reader requesting advice on room problems. Both reminded us---if a reminder was needed---that although the perfect room does not exist, there are things that can be done to make the most of even an admittedly difficult situation. That reader's letter, in particular, brought home the fact that we cannot really discuss this subject too often. It's easy to forget that comments made here months (or years) ago are beyond the experience of newer readers. A new audiophile's most frequent mistake is to overlook the significance of his or her listening room, while the experienced listener will too often take the room for granted.

Audio Basics: A Is For Ampere

In the real world, "knowledge is power" means that if I know more about something than you do, I am better able than you to control it or use it to my own advantage. This is no less true in high-end audio, where a gut-level understanding of how a component works can free its owner from the constraints and frequent inaccuracies of instruction manuals, folklore, advertisements, and the nugatory, nullifidian nonsense in the mainstream audio press assuring you that most of what you know damn well you are hearing is really only a figment of your imagination.

The Non-tweaker's Guide To Tweaks

Tweaks have acquired a bad reputation in certain sectors of the audio world, probably with some justification. Warming the cartridge to exactly the right temperature, suspending cables from the ceiling (but not with cotton string; it sounds grainy and dry), stroking CD cases with a "magic" brush, drinking "polarized" (or is it de-polarized?) water before a listening session---gimme a break!

Tweaking your Record-Player

While the LP-vs-CD debate continues unabated among high-end audiophiles, the rest of the world has already closed the book on the venerable LP. All but a few specialized classical record companies (footnote 1)(and some weird magazines) have ceased releasing new LPs, few record stores sell them any more, and consumers who wouldn't be caught dead owning something that wasn't trendy have long ago dumped their LP collections for cents on the pound.

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