Amate Audio X15D Manual De Usuario página 19

Passive Disco Systems
Fig.15. X218D connection panel
Fig.16. X21D connection panel
7. CARDIOID SUBWOOFERS
Fig.17. Traditional polar pattern of a subwoofer at 40Hz
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X18D, X21D and X218D enable the combination of
three or multiple of three subwoofer cabinets to
provide exceptional directivity at low frequencies. To
get the correct set-up parameters, please contact
export@amateaudio.com.
frequencies has two main effects on the sound field:
firstly, the low frequency level behind the subwoofer
cabinets is greatly reduced; secondly, in closed
venues the diffuse sound field at low frequencies is
reduced so the low frequency reproduction is much
more precise.
Nov 2015
High directivity at low
Amate Audio