MLA System
USER GUIDE
MLA System
User Guide V2.1
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By suitable choice of the length and shape of this wedge, the overall curvature of the exiting wavefront is accurately and
specifically optimised to meet our new wavefront curvature criteria – neither flat nor excessively curved.
* Patent Application WO2007054709
FIR Crossovers
Like all three-way systems, MLA’s low, mid and high frequency sections are combined by a crossover. Up to now, Linkwitz-Riley,
4th order filters have been the industry standard. With traditional filters like these, overlap at crossover can result in a non-
symmetrical horizontal polar pattern if the devices being crossed-over are side by side.
In the theoretical opposite extreme, a brick-wall filter would completely eliminate overlap, and the polar pattern would be
unaffected and symmetrical.
HF array cutaway showing “wedge"waveguide
Conventional horn, curved wavefront
MLA horn with wedge, optimised curvature
Содержание MLA
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Страница 151: ...MLA System USER GUIDE MLA System User Guide V2 1 151 This is the narrow section corresponding to the rear wall ...
Страница 152: ...MLA System USER GUIDE MLA System User Guide V2 1 152 This is the response on the ceiling ...
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Страница 436: ...MLA System USER GUIDE MLA System User Guide V2 1 436 The stack is now ready for the next cabinet ...
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Страница 455: ...MLA System USER GUIDE MLA System User Guide V2 1 455 The finshed 6 box ground stack system ...