| i don't see horns as equalization devices. i don't even believe in flat response as a reasonable design goal for a speaker. i believe equalization should be done electronically. to me horns are well, what they actually are - acoustical impedance transformers. means to boost efficiency. i believe horns are needed at lowest and highest frequencies. at lowest because there isn't enough power (in your household wiring) to hit required SPLs without them and at highest because delicate tweeter voice coils can't hit high enough SPL without them. ability to shape dispersion pattern is an added benefit. i would say horns are 70% about efficiency gain and 30% about directivity control. |
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