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6

Ground Deployment

Stacking over a Subwoofer(s)

LA108/LA112 active line array loudspeakers offer the ability to safely stack an array over an 
LS118/KS118 subwoofer(s) unit using the appropriate Array Frame and Sub Stack Adapter 
Kit (sold separately).

WARNING!: 

 

When deploying loudspeakers on subwoofers, attention should be 

given to environmental conditions such as level surfaces, vibrations, wind, etc. to 
deploy the loudspeakers in a stable and safe manner. Use additional measures to 
secure the subwoofer (hardware not included with subwoofer) when necessary.

LA108

An array of up to four (4) LA108 loudspeakers can be stacked over one (1) LS118/KS118 
subwoofer when the subwoofer is upright, or two (2) LS118/KS212C subwoofers when 
rotated on their side.

LA112

An array of up to three (3) LA112 loudspeakers can be stacked over one (1) or two (2) LS118/KS212C when the subwoofers are 
rotated on their side.

NOTE: 

 

For these ground-stack deployments, the LA108-AF (Array Frame) and the LA108-KIT-SA (Stack Adapter Kit) accessories 

(sold separately), or the LA112-AF (Array Frame) and the LA112-KIT-SA (Stack Adapter Kit) accessories (sold separately) are 
needed on the top (LS118/KS118/KS212C) or side (LS118/KS212C) of the subwoofer to secure the array. These combined 
accessories bolt onto the M20 thread located on the top or side of the subwoofer (LS118/KS212C) to secure the array. See next 
section for proper deployment of these two accessories, please refer to the individual accessories' user manuals.

Attaching an Array Frame and Stack Adapter Kit to a Subwoofer

See — Figure 14 — for steps 1 to 4.

1.  Carefully remove paper backing from the adhesive sides of the Bumper Pads. Adhere Bumper Pads to the bottom of the Array Frame 

as shown.

2.  Secure the Tie-Down Assembly to the M20 thread located on top, or side, of the subwoofer enclosure. Tighten screw with fingers 

until snug. If necessary, tighten further using a coin, a key, or a large screwdriver.

3.  Place Array Frame on subwoofer with the Bumper Pads facing downward.

4.  Use the Tie-Down Knob to secure the Array Frame to the Tie-Down Assembly. Tighten the knob with your hand until snug. Array 

Frame is now secured to the subwoofer.

— Figure 13 — 

Summary of Contents for LA108-AF

Page 1: ...Array Frame for the LA108 Active Line Array Loudspeaker LA112 AF Array Frame for LA112 Active Line Array Loudspeaker LA108 KIT SA Stack Adapter Kit to be combined with LA108 AF LA112 KIT SA Stack Ada...

Page 2: ...and approve all attachments to the building or structure Employ the services of a certi ed professional rigger for hoisting positioning and attaching the equipment to the supporting structure Correct...

Page 3: ...4 Rubber Pads for SA Storage 2 sets Rubber Pads for SA Storage Left and Right Side Flown Deployment Array Frame Attachment Preparation 1 Push Angle Levers on both sides all the way in until they make...

Page 4: ...ker from the Array Frame 1 Support the weight of the loudspeaker Remove the Array Frame Rigging Pins on both sides See Figure 7 2 Lower loudspeaker carefully using rear handles Loudspeaker remains sus...

Page 5: ...outside of the CG of the Array Frame is needed an M10 Eyebolt can be used on the rear of the lowest loudspeaker of the array to provide another pick point for further support to angle the system See F...

Page 6: ...Stack Adapter Kit accessories sold separately or the LA1 12 AF Array Frame and the LA1 12 KIT SA Stack Adapter Kit accessories sold separately are needed on the top LS1 18 KS1 18 KS212C or side LS1 1...

Page 7: ...rray Frame Secure each side with the Angle Arm Rigging Pins See Figure 15 6 Adjust the Angle Arms to the desired angle Secure each with the Array Frame Rigging Pins See Figure 16 Angle Arm Rigging Pin...

Page 8: ...of the Array Frame See Figure 18 3 Lower the back side of the loudspeaker until the Angle Arm latches onto the Rear Hook of the loudspeaker on both sides making a click sound See Figure 18 4 Push Loc...

Page 9: ...m the Stack Adapter Kit inside the Array Frame using the Angle Arm Rigging Pins and the Array Frame Rigging Pins to secure them in place See Figure 23 4 Store the Tie Down Assembly using the Tie Down...

Page 10: ...e QSC website for Technical Support and Customer Care including their phone numbers and hours of operation Go to qsc com contact us Warranty For a copy of the QSC Limited Warranty go to qsc com suppor...

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