4
44
4SYSTEM APPROACH
SYSTEM APPROACHSYSTEM APPROACH
SYSTEM APPROACH
The L-ACOUSTICS® SB18 is the universal subwoofer designed for modular or fixed angle WST® line sources
(KUDO®, KIVA/KILO, KARA
®
, ARCS
®
) and coaxial systems (XT), lowering the combined system operating range down
to 32 Hz. Its compact size and integrated rigging make it extremely well suited for flown coupled configurations with
KARA
®
(refer to the KARA Rigging manual [3.4]).
The system approach developed by L-ACOUSTICS® for SB18 consists of the elements needed to fully optimize the
possible configurations. The main components of the system are (see also Figure 1 and Figure 2):
SB18 Compact high power subwoofer
M-BUMP Structure for flying or stacking a vertical KARA and/or SB18 array
M-BAR Extension bar for M-BUMP
M-JACK Stacking bases (x4) for vertical KARA and/or SB18 arrays
SB18PLA Removable front dolly board for SB18
SB18COV Protective cover for SB18
8XT, 12XT, 115XT HiQ XT coaxial range enclosures
KIVA, ARCS
®
, KARA
®
2-way WST
®
systems
KUDO
®
3-way WST
®
system
KILO LF extension for KIVA
LA4, LA8 Amplified controllers
LA-RAK Touring rack containing three LA8 amplified controllers
LA NETWORK MANAGER Remote control software
SOUNDVISION Acoustical and mechanical modeling software
The SB18 subwoofer is compatible with standard L-ACOUSTICS® accessories. These accessories include the
L-ACOUSTICS® SP.7, SP10, and SP25 Loudspeaker ca les with respective lengths of 0.7 m/2.3 ft, 10 m/32.8 ft,
and 25 m/82 ft. These cables allow connection of the SB18 enclosure to the LA4 amplified controller. Each cable is a 4-
conductor cable with 4 mm2 conductor cross-section (13 SW , 11 AW ) and features 4-point SpeakON® connectors.
The combination of the L-ACOUSTICS® DOSUB-LA8 Loudspeaker ca le with the DO.7, DO10, or DO25 ca le
allows connection to the LA8 amplified controller. These are 8-conductor cables with 4 mm2 conductor cross-section
and feature 8-point PA-COM® and/or 4-point SpeakON® connectors. Note: The PA-COM® standard is fully
compatible with the CA-COM® standard.
The SB18 can be driven and powered by both L-ACOUSTICS® LA4 and LA8 Amplified controllers [3.4]. These
ensure intelligent protection, filtering, and equalization of the enclosures. Four channels of amplification are provided
along with the factory LA4 or LA8 PRESET LIBRARY [3.4], ensuring the optimization and performance of the
system within the limits of the recommended configurations.
Each full range system configuration should first be modeled and studied using L-ACOUSTICS® SOUNDVISION
Software [3.4]. Software predictions are based on the preset parameters stored in the amplified controllers. Note:
The acoustic data are not available yet for subwoofers.
Up to 253 amplified controllers can be interconnected and monitored through the proprietary L-ACOUSTICS®
L-NET Network using LA NETWORK MANAGER Software [3.4].
