In this paper we investigate the subwoofer concept in relation to the various benefits of digital equalization and the way it can be used together with today 's small sized multichannel loudspeaker systems. We try to systematize a somewhat objective method of comparing between different subwoofer positions and crossover frequencies regarding their optimum response in a listening area. All these have as purpose to show that we can raise the subwoofer frequency at 120Hz and thus relieve the main loudspeakers from the task of reproducing frequencies down to 80Hz. Thus it is possible to create a hi-end system using slim, line array, main loudspeakers, with all their known advantages, which can be correctly integrated, both aesthetically and acoustically, in any listening room.
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