K2_UM_EN_1.1
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13
SB28 subwoofers
Standalone
LF Throw
LF Contour
2 SB28: 3 K2
2 SB28: 1 K1-SB: 3 K2
1 SB28: 1 K1-SB: 3 K2
Enclosure
[PRESET]
Grouping subwoofers
Place the subwoofer enclosures side by side.
If not possible, the maximum distance between two adjacent acoustic centers
must be 2.8 m for an upper frequency limit on 60 Hz.
SB28
[SB28_60]
LF extension (-10 dB)
25 Hz
Do not forget to add the
pre-alignment and geometric delays
depending on the configuration
Pre-alignment values
Standalone
[K2] + [SB28_60] K2 = 0 ms SB28 = 6 ms
LF throw
[K2] + [K1SB_X K2] + [SB28_60] K2 = 0 ms K1-SB = 0 ms
SB28 = 6 ms
LF contour
[K2] + [K1SB_60] + [SB28_60] K2 = 8 ms K1-SB = 2 ms
SB28 = 0 ms
Use
[SB28_60_C]
with an
SB28 subwoofer array in cardioid configuration
The cardioid configuration consists in reversing 1 element in an array of 4 subwoofers.
Refer to the
SB28 user manual
for more details.
Pre-alignment values
Standalone
[K2] + [SB28_60_C] K2 = 0 ms
SB28 = 0.5 ms
LF throw
[K2] + [K1SB_X K2] + [SB28_60_C] K2 = 0 ms
K1-SB = 0 ms
SB28 = 0.5 ms
LF contour
[K2] + [K1SB_60] + [SB28_60_C] K2 = 13.5 ms K1-SB = 7.5 ms SB28 = 0 ms