Mackie S408 PA Speaker

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the compact, two way box with a 12" or 15" driver and a small horn, and the compact subwoofer with a single or double 15" or 18" woofer. The most popular formatthe 15" two waycan provide ample punch and "ruler flat" frequency response when listening directly in front of the speaker. But move even just a little bit to the left, right, up or down, and that perfect sonic image deteriorates rapidly. Enter Mackie's flagship S400 Series Precision Passive Loudspeakers with Tetrad Technology.Proprietary Tetrad DesignTetrad Technology starts by eliminating the biggest source of trouble with a 15" 2 way loudspeakerthe 15" wooferand replaces it with four smaller 8" drivers, plus an unusually large horn in the center of the S408. The result is greater overall low frequency driver surface area200 sq. inches vs. 175 sq. inchesfor more punch, plus a horn that delivers far better pattern control in the upper mid frequencies, where important stuff like vocals reside. The large horn also eases the crossover transition from the 1.75 inch titanium compression driver to the 8 inch drivers. This allows the S408 to keep the crossover frequency low enough that the critical vocal and midrange frequencies 1k 3k are all reproduced by the horn, not shared between the horn and drivers. Put simply, this means the S408 sounds superb and projects extremely wellmuch closer to a true touring sound system than anything within thousands of do
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