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Figure 4.18: Cardioid physical alignment
Cardioid option A:
Either two (2) ETX-15SP or two (2) ETX-18SP subwoofers orientated vertically. Direct the top
subwoofer towards the audience and the bottom subwoofer away from the audience
(Rejection direction).
Cardioid option B:
Either three (3) ETX-15SP or three (3) ETX-18SP subwoofers orientated vertically. Direct the
top two (2) subwoofers towards the audience and the bottom subwoofer away from the
audience (Rejection direction).
Cardioid option C:
Either three (3) ETX-15SP or three (3) ETX-18SP subwoofers orientated horizontally. Direct
the left and right subwoofers towards the audience and the center subwoofer away from the
audience (Rejection direction).
Subwoofers facing the audience
Location: Normal
Polarity: Normal
Delay: 0 m (zero)
Subwoofers facing away from the audience (Rejection direction)
Location: Cardioid
Polarity: Normal
Delay: 0 m (zero)
Table 4.4: Subwoofer cardioid
For more information, see Subwoofer DSP control menu, page 32.
For more information about cardioid arrays, see ETX-15SP or ETX-18SP product pages on
www.electrovoice.com.
ETX Powered Loudspeakers
2014.07 | 04 | F.01U.276.083 User Manual Electro-Voice
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