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ManualsBrandsTannoy ManualsColumn SpeakersDigitally Steerable Powered Column Array Loudspeaker with 8 Independently Controlled Drivers, Integrated DSP and BeamEngine GUI Control for Installation Applications
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At 1 kHz the beam is well dened.
At 3 kHz a very strong side lobes are evident though the main beam is still well dened, this can present
many practical problems, not least when working in reverberant spaces.
As low as 6 kHz multiple side lobes appear, effective beam control has now collapsed.
At 12 kHz the directivity characteristics are actually wider than that of a conventional loudspeaker.
The effects of aliasing
The measurements below show an 8 element device with the high frequency elements
spaced at 100 mm (4”) apart