A low-cost, lightweight, flat and very-high-efficiency loudspeaker system for low frequencies

R.M. Aarts, O. Ouweltjes, D.W.E. Schobben

Research output: Contribution to journalArticleAcademicpeer-review


The introduction of concepts such as Flat TV and 5.1 channel sound reproduction systems has led to a renewed interest in obtaining a high sound output from compact loudspeaker arrangements with a high efficiency. Compact relates here to both the volume of the cabinet into which the loudspeaker is mounted as well as the cone area of the loudspeaker. Normally, low-frequency sound reproduction with small transducers is quite inefficient. To increase the efficiency, we map the low-frequency region, say from 20 to 120 Hz, to a single tone and use a special transducer with a very high efficiency at that particular tone.
Original languageEnglish
Pages (from-to)1-4
Number of pages4
Issue numberMarch 2005
Publication statusPublished - 2005

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