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Controversy: The Single Speaker Dem Myth

The issue is this business of "single-speaker" listening and demonstration, which has become fashionable in the UK.


The premise: bringing a second pair of loudspeakers into your auditioning room upsets the sound of the pair you're listening so badly that the first speaker's ability to correctly reproduce the timbre of musical instruments is destroyed. This observation is almost surely correct.

Tish, Boom, Awwk! Loudspeakers at the 1985 CES

There were no surprises, innovations, or breakthrough designs in loudspeakers at the 1985 Summer Consumer Electronics Show in Chicago. By and large, those on display were nothing more than refinements of, or variations on, previous speaker designs. Of course, there's nothing the matter with that; any improvement in a product is a step in the right direction. It merely perpetuates the pattern of the past ten years: evolution but no revolution.

The Highs & Lows of Double-Blind Testing

Editor's Note: In 1985 and 1986, an argumentative thread ran through Stereophile's pages, discussing the benefits or lack of double-blind testing methods in audio component reviewing, triggered by J. Gordon Holt's review">http://www.stereophile.com//asweseeit/121/">review of the ABX Comparator. As this debate is still raging nearly 15 years later, we present here the entire discussion that bounced back and forth between the magazine's "Letters" section and features articles. It was kicked off by a letter from C.J. Huss that appeared in Vol.8 No.5.John Atkinson


The Stereo Image

The author demonstrating stereo microphone techniques at an English audio show in 1981.


For most people the terms hi-fi and stereo are synonymous, and yet it is clear that there is still a great deal of confusion over what the word "stereo" actually means. There isn't even a consensus of opinion amongst producers of records, designers of hi-fi equipment, audio critics and music lovers as to the purpose of stereo, and considering that the arguments show no sign of diminishing in intensity, it is instructive to realise that 1981 sees both the 100th anniversary of Clement Ader's first stereo experiments and the 50th anniversary of Alan Blumlein's classic patent on stereo.

Listening Tests and Absolute Phase

The problem confronting the magazine reviewer when organising the necessary listening tests to accompany/reinforce the measured behavior of a device under test is complex. There has never been a problem with the measurement aspect; as long as someone has access to the same test gear—and full knowledge of the test conditions—then he should be able to replicate the critic's findings exactly (assuming an infinitely narrow spread of behaviour from sample to sample—a rasher assumption with some manufacturers' equipment than of others). However, when it comes to determining reliably the audible (or inaudible?) effects on music program by an amplifier/cartridge/loudspeaker etc. then the going gets tough.
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