SB28_UM_ML_1.1
w w w . l - a c o u s t i c s . c o m
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EN
Figure 6: Two SB28 cardioïd arrays connected to two LA8 amplified controllers (front view)
7.3.2
[SB28_60_C] and [SB28_100_C] presets
The [SB28_60_C] preset features a 60 Hz low-pass filter allowing the SB28 to be used as a cardioïd subwoofer
companion for V-DOSC
®
, dV-DOSC/dV-SUB, KUDO
®
, and ARCS
®
systems.
The [SB28_100_C] preset features a 100 Hz low-pass filter allowing the SB28 to be used as a cardioïd subwoofer
companion for dV-DOSC and ARCS
®
systems.
The recommended ratios are 4 SB28 for each of the following: 12 KUDO
®
, 6 V-DOSC
®
, 12 dV-DOSC,
12 dV-DOSC/4 dV-SUB, or 8 ARCS
®
. When using the KUDO
®
system in an application requiring higher SUB levels, the
ratio can be 4 SB28 for 8 KUDO
®
.
Activate the LOAD PRESET menu from the LA8 amplified controller front panel and then select the desired preset.
Refer to the
‘‘LA8’’
user manual
for additional instructions. The presets are also accessible using the LA NETWORK
MANAGER software (refer to the
‘‘LA NETWORK MANAGER’’
user manual). The ‘‘CARDIOÏD’’ mode accessible
parameters are shown in the following chart:
Table 3: ‘‘CARDIOÏD’’ mode accessible parameters
Accessible (O) and blocked (X) parameters
LA4 Inputs/Outputs
Elements to connect
Preset
assignments*
Mute Gain Delay Polarity
IN A
Input signal A
IN_A
X O O O
IN B
None
Unused
X
X
X
X
OUT 1
Reversed SB28 enclosure
SR_A
O
X
X
X
OUT 2
SB28 enclosure
SB_A
O
X
X
X
OUT 3
SB28 enclosure
SB_A
O
X
X
X
OUT 4
SB28 enclosure
SB_A
O
X
X
X
* IN: input signal. A: channel A. SB: subwoofer enclosure. SR: reversed subwoofer enclosure.
Note:
The main system must be connected to additional amplified controllers. See instructions in the applicable
user
manuals
.
OUT1
OUT2
OUT3
OUT4
OUT1
OUT2
OUT3
OUT4
0.6 m/2 ft.
IN A
IN A