Correction

September 09, 1992

The geometric shape of a new loudspeaker and its sound quality were incorrectly characterized in the Technology & Communication column in Monday's business section. The shape of the speaker, developed by Alternity Inc., is a truncated rhombic dodecahedron. Alternity said the use of this geometry has been shown to reduce total harmonic distortion by 5 to 10 decibels and intermodulation distortion by 3 decibels.

The Sun regrets the error.

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