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3.3

 

Securing the Speaker 

1)

 

Cut a hole in the ceiling tiles or drywall ceiling. The diameter of the hole is 115 mm (or 

4½ inches). For best results, use a hole-saw. Make sure there are no obstacles behind the 
hole and that there is enough clearance for the back of the speaker.  

 

Note: 

The SMS-SURF4 can be installed on suspended ceiling tiles or on drywall ceiling. The maximum 

thickness of the tile or drywall is approximately 32 mm (or 1¼ inches). 

2)

 

Insert the speaker in the hole (diameter is 115 mm, or 4.5 inches). Hold the flaps springs 

during the insertion. The flaps will hold the speaker in place. Warning! The springs are stiff 

and may pinch fingers! 

  

 

 

 

  

 

 

 

Summary of Contents for SMS-SURF4

Page 1: ...ft dB Inc 1040 Belvedere Avenue Suite 215 Quebec Quebec Canada G1S 3G3 Toll free 1 866 686 0993 USA and Canada E mail info softdb com SMS SURF4 Surface mounted Sound Masking Speaker User Guide V201907...

Page 2: ...i Content 1 Overview 2 2 Specifications 3 3 Installation 4 3 1 Safety Instructions 4 3 2 Connecting the Speaker 5 3 3 Securing the Speaker 6...

Page 3: ...int sound masking and paging speaker designed for surface mounted applications on ceiling tiles or drywall ceiling The SMS SURF4 can be powered by a constant voltage amplifier unit of 25 or 70 Volts T...

Page 4: ...e 100 Hz to 10 kHz Connector Screw Terminal Block Output Power Selection 4w 2W 1W 1 2w Driver 9 5 cm 4 full range Certification UL 60065 UL 2043 Color White RAL9016 Weight 1 2 kg 2 6 lbs Shipping Weig...

Page 5: ...rom the apparatus Only use attachments and accessories specified by the manufacturer Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any...

Page 6: ...remove the cable pass through plate 2 Pass the power wire s through the wire guide lock and connect the wires in the green terminal block Note All wiring should be carried out with 2 conductor strande...

Page 7: ...ere is enough clearance for the back of the speaker Note The SMS SURF4 can be installed on suspended ceiling tiles or on drywall ceiling The maximum thickness of the tile or drywall is approximately 3...

Page 8: ...7 Note If the local regulations require an anchor use the small ring on the back of the speaker to hang a safety chain...

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