Electro Voice Portable Speaker MB3 User Manual

MB3  
Wall/Ceiling  
Mounting Bracket  
Installation Instructions  
MB3 Wall/Ceiling Mounting Bracket Kit  
The MB3 Wall/Ceiling Mounting Bracket Kit features robust brackets and hardware that allow for a Zx3 loudspeaker  
to be quickly and easily mounted to a wall or ceiling in almost any position to obtain the desired sound coverage.  
Figure 1: Suspending the Zx3 from a wall using the MB3  
Figure 2: Suspending the Zx3 from a ceiling using the MB3  
 
Front Slot  
(Top and Bottom)  
M8 Cap Screw  
Flush with Bottom  
of Spanning  
Front Slot  
(Top and Bottom)  
Bracket  
(Top and Bottom)  
4 Medium Holes for  
Ceiling Mount/Wall Mount  
(Vertical Orientation)  
4 Small Holes for  
Ceiling Mount/Wall Mount  
(Horizontal Orientation)  
Rear Slot  
(Top and Bottom)  
Item A  
Figure 5: MB3 U-Bracket Features  
Figure 6: Aligning the Zx3 Enclosure with the U-Bracket  
Step 2: Mount the U-Bracket  
Holes under  
Use rear hole for  
bracket shown  
angles up to 30°  
as dashed lines  
Mount the U-bracket (Item A) to a wall or ceiling using  
the appropriate holes (Figure 5). Use fasteners (not  
included) that are suitable for the construction mate-  
rial of the wall or ceiling. See dimension diagrams for  
mounting hole patterns and dimensions.  
Step 3: Mount the Zx3 to the U-Brackets  
Slide the Zx3 into the U-bracket by aligning the M8 cap  
screws with the front slots of the U-bracket (Figure 6).  
The weight of the Zx3 will pull the top M8 cap screw  
into the recess of the front slot of the U-bracket (wall  
mount/vertical orientation only). Rotate the Zx3 to the  
desired orientation (Figure 7), and install the two M8  
washers (Item F), two M8 lock washers (Item G), and  
two M8 cap screws (Item E), using the threaded hole  
that aligns with the rear slot. Tighten the four M8 cap  
screws (Figure 8).  
Use either side holes for  
angles between 30° and 90°  
Figure 7: Rotating to desired angle  
 
Item E  
Item G  
Item F  
Figure 9: MB3 Top View Dimensions  
Figure 8: Tightening all screws after aligned to desired angle  
Figure 10: MB3 Rear View Dimensions  
(Bottom screws not shown)  
WARNING: Suspending any object is potentially dangerous and should only be attempted by individuals who have a thorough  
knowledge of the techniques and regulations of suspending objects overhead. Electro-Voice® strongly recommends that  
all speakers be suspended taking into account all current national, federal, state and local regulations. It is the responsibil-  
ity of the installer to ensure that all speakers are safely installed in accordance with all such regulations. When speakers are  
suspended, Electro-Voice® strongly recommends that the system be inspected at least once a year. If any sign of weakness  
or damage is detected, remedial action should be taken immediately. The user is responsible for making sure that the wall  
or ceiling is capable of supporting the loudspeaker. Any hardware used to suspend a loudspeaker that is not associated with  
Electro-Voice® is the responsibility of others.  
U.S.A. and Canada only. For customer orders, contact Customer Service at:  
Electro-Voice®  
800/392-3497 Fax: 800/955-6831  
Europe, Africa, and Middle East only. For customer orders, contact Customer Service at:  
+ 49 9421-706 0 Fax: + 49 9421-706 265  
12000 Portland Avenue South, Burnsville, MN 55337  
Phone: 952/884-4051, Fax: 952/884-0043  
Other Internatonal locations. For customer orders, Contact Customer Service at:  
+ 1 952 884-4051 Fax: + 1 952 887-9212  
For warranty repair or service information, contact the Service Repair department at:  
800/685-2606  
© Bosch Communications Systems  
06/2008  
For technical assistance, contact Technical Support at: 866/78AUDIO  
Part Number LIT000162 Rev A  
Specifications subject to change without notice.  
 

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