Comparative Rating of Loudspeaker Systems by Large Jury Testing
A jury of 42 persons selected as a cross-section of the population was gathered in two groups in a "supper club" setting, in a room having a volume of about 200 meters. The jury was given sequential comparison and direct "AB" comparison tasks using six pairs of loudspeakers. Tests were also made of comparative ability to localize musical sounds. Following the formal tasks, informal listening yielded a consensus of preference. It was found that that consensus more closely corresponded to the sequential comparison task than to the direct comparison task, and was significantly related also to ability to localize.
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