QSC LA108 Active Line Array Loudspeakers User Guide

: October 29, 2023
: QSC

QSC LA108 Active Line Array Loudspeakers User Guide

Loudspeaker Attachment Points

Front Strikes attach to Front Hooks of the loudspeaker or array frame above it.
Front Hooks attach to Front Strikes of the loudspeaker or ground stack adapter below it.
Rear Hooks attach loudspeaker at the rear. They are the locking points once two or more enclosures are arrayed together or ground stacked.
The Locking Lever has 3 positions:
• Up: Release loudspeaker from the array
• Middle: Prepare loudspeaker to be secured
• Down: Lock attached loudspeaker in place

Loudspeaker Angle Controls

The Angle Lever prepares the Angle Bar (7) to move to the next available angle. The Angle
Lever must return to the full outward position fter angle adjustment. An internal pin locks the Angle Bar when the lever is in the full outward position. If necessary, move the Angle Bar, and/or push the Angle Lever Reset (6) to set the Angle Bar position.
The Angle Lever Reset will release a depressed Angle Lever without adjusting the Angle Bar.
The Angle Bar sets the angle between adjoining loudspeakers.
The Angle Bar Lift offers manual lifting of the Angle Bar and a visual representation of the splay angle setting (Up: 1.5°, Middle: 6°, Down: 12°).

Note: Loudspeakers will remain safely locked while adjusting splay angles (steps 5 to 8)

DEPLOYMENT

Array Frame Attachment Preparation

Attaching Loudspeakers

Detaching Loudspeakers

Flown Deployment Splay Angle Adjustment

Ground Stack Deployment Splay Angle Adjustment

Mailing Address QSC, LLC
1675 MacArthur Boulevard Costa Mesa, CA 92626-1468 USA

Telephone

Main: +1.714.754.6175
Sales & Marketing: +1.714.957.7100
or toll free (USA only): +1.800.854.4079
Customer Service: +1.714.957.7150
or toll free (USA only): +1.800.772.2834

REAR PANEL

Displays Menus and Settings
Rotate to adjust gain, select values, and press for enter
Push to enter the Menu, or return to Home Screen from Menu
Push to ID loudspeaker in SysNav or Q-SYS Ecosystem
Dual-switch Etherconn connections to SysNav and/or Dante® -enabled system
Balanced analog input connection for line level sources
Parallel (Thru) balanced analog output connection of the balanced input
PowerCON TRUE1 Inlet
PowerCON TRUE1 Outlet
Indicating Signal is present on the associated input
Loudspeaker is powered on
Loudspeaker is in standby
Loudspeaker DSP is limiting

FLOOR INSTALLATION

Dual pole cup mounts – standard 0 and 7.5 degree down-tilt

FLOOR INSTALLATION

Refer to User Manual for deployment safety details for:

Ground-stacking – using QSC adapter accessories
Pole mounting – using QSC SP-26 or SP-36 accessory poles
Stand mounting – using a loudspeaker stand with 45 kg / 100 lb safety rating

LA108 deployments with LS118 subwoofer

LA112 deployments with LS118 subwoofer

HOME SCREEN

Rotate to adjust gain on HOME screen, or select values in the MENU. Press to confirm a selected value.
Press to access the MENU from the HOME screen, or press while in the
MENU to return to the HOME screen
Press ID button to identify loudspeaker location when connected to SysNav or Q-SYS Ecosystem
Information on Array Name and Status
Displays the security lock status of the loudspeaker
Splay angle between arrayed loudspeakers
Total number of detected loudspeakers
HF Shading applied to each arrayed loudspeaker
Current Gain level for the loudspeaker

Network icon displays if the loudspeaker

Conflicted Array

Array physical position was altered from previously optimized
Array remains operational with orange status
Linked parameters (EQ/HPF/Gain/Delay) are unlinked, until array is optimized

Fault Warning

Loudspeaker hardware failure has
Red status bar features warning
Loudspeaker should be removed from array and

WARNING: The suspension and mounting of loudspeakers present potential safety hazards. QSC has no knowledge of the actual structural integrity of the facility in which these products are used. Therefore, the system user and/or installer bear sole responsibility for properly installing the equipment and complying with all applicable standards and regulatory requirements. Rigging or suspension of equipment should be performed only by certified and licensed rigging technicians.