JobSite Systems Speaker LSC 8 User Manual

INSTALLATION & USER GUIDE  
For Accurate Music and  
Voice Reproduction from  
In-Ceiling Locations  
LSC-8  
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8" IN-CEILING LOUDSPEAKER  
FEATURES: LSC-8  
8" Talc-filled polypropylene woofer with treated foam rubber surround  
3/4" pivoting liquid cooled polycarbonate dome tweeter  
Moisture and UV resistant  
Rust proof aluminum grilles  
Installation friendly design:  
Suitable for painting  
Connection terminals accept up to 12 gauge speaker wire  
Quick mounting system for new construction or retrofit installations  
Includes hole template and paint mask  
Ceiling bracket for new construction: Jobsite NCB-8 (sold separately)  
1
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PRODUCT OVERVIEW  
The illustration shows how a  
typical JobSite LSC-8 loudspeaker  
mounts into a ceiling.  
Ceiling bracket serves as a “hole  
saver” when drywall has not been  
applied. Cannot be used when  
installing into existing ceilings.  
Knockout wire tie allows the wire to be  
secured to the bracket throughout the new  
construction process. It knocks out cleanly  
when the speaker is installed.  
Wings instantly snap into the  
bracket without screws.  
Dogs swivel 90°, then  
clamp the speaker frame  
to the drywall.  
Frames are molded with a  
slight texture to assure good  
paint adhesion.  
Wings are scored for easy  
size trimming.  
Mounting screws tighten the  
“dogs”, clamping the speaker to  
the drywall.  
Brackets and wings attach  
to the ceiling joists with nails  
or screws.  
Rust-proof aluminum grilles make the loudspeaker  
perfect for moist environments.  
Figure 1  
PACKAGE CONTENTS  
If you are installing the speakers into a new  
ceiling follow the above recommendations and  
install a set of JobSite NCB-8 Ceiling Brackets,  
prior to the drywall being installed.  
Speakers x 2  
Speaker grilles x 2  
Speaker cutout template / paint mask x 1  
Run speaker wire from each location to the  
amplifier location. Label the speakers wires at  
the amplifier end, so you know which wire goes  
to each speaker.  
PREPARING FOR INSTALLATION  
If you are installing the LSC-8 into an existing  
ceiling, take time to consider any possible  
obstructions which may be hidden inside  
the ceiling: ceiling joists, electrical wiring,  
telephone wiring, plumbing, AC or heating  
conduit and ductwork.  
TOOLS REQUIRED  
Stud Locator (for existing construction)  
Drywall saw (for existing construction)  
Pencil (for existing construction)  
Cordless screwdriver with No2 Phillips bit  
Wire stripper  
Determine the best mounting locations based  
on the room layout. Before cutting any holes,  
make sure the area behind both speakers is  
clear for installation. Speakers provide the  
best coverage, when centered in the room.  
Line up the speakers with a permanently  
mounted ceiling fixture such as can lights,  
or a light fixture.  
Wire labels  
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INSTALLATION  
9. Strip 1/4" of insulation from the end of  
each wire coming from the amplifier.  
Installation Existing  
Construction:  
10. Tightly twist the end of each wire until no  
frayed ends remain.  
1. Use a stud locator to identify the location  
of the ceiling joists on each side of the  
proposed loudspeaker mounting location.  
11. Attach the speaker wires to the speaker  
terminal connectors. Connect the  
negative output from the amplifier to the  
black terminal and the positive output to  
the red terminal.  
2. Mark ceiling joists’ edges, using masking  
tape.  
3. Repeat this process for the other  
loudspeaker locations.  
12. There are four clamps “dogs” which  
hold each speaker in place. Rotate all  
the dogs inward.  
4. You may have to adjust the loudspeaker  
mounting locations based on how the  
ceiling joists line up with the proposed  
speaker mounting locations.  
13. Insert the loudspeaker into the cutout in  
the ceiling.  
14. The dogs are tightened via four  
front-baffle screws. Tighten the dogs  
by turning the screws clockwise,  
while pressing the loudspeaker against  
the ceiling. NOTE: DO NOT OVER  
TIGHTEN THESE SCREWS. Over-  
tightening the screws may make the  
grille difficult to install.  
5. Check for clearance using the following  
method:  
a. Drill a 1/4" pilot hole in the center of the  
intended speaker location.  
b. Cut a foot-long piece of coat hanger.  
c. Bend the wire, creating a right angle,  
leaving 4-1/4" at one end.  
15. Install the grille into the speaker.  
d. Poke the “L-shaped” wire into the pilot  
hole and turn it in a complete circle,  
checking for obstructions.  
16. Repeat this procedure for the next  
speaker.  
Installation New Construction:  
e. Push it up into the ceiling cavity to  
make sure you have approximately  
4" of depth.  
Install the proper ceiling bracket for this  
loudspeaker (NCB-8) using the instructions  
supplied with the bracket. After the  
hole is cut in the drywall per the bracket  
instructions, perform the following steps:  
f. If the coat hanger’s movement is  
obstructed by anything, fill the hole(s)  
with spackle and try another location.  
1. Strip 1/4" of insulation from the end of  
each wire coming from the amplifier.  
6. Locate the hole template and remove  
the inside portion of it. The inside portion  
can be used as a paint mask, if you are  
painting the frame of the loudspeaker.  
2. Tightly twist the end of each wire until no  
frayed ends remain.  
7. Use a pencil and hole template to trace  
the hole outline in the desired location on  
the ceiling.  
3. Attach the speaker wires to the speaker  
terminal connectors. Connect the  
negative output from the amplifier to the  
black terminal and the positive output  
from the amplifier to the red terminal.  
8. Use a drywall saw to cut along the  
penciled line.  
3
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4. There are four clamps “dogs” which  
hold each speaker in place. Rotate all  
the dogs inward.  
speaker using a piece of tape. Fold the tape  
onto itself to form a double-sided loop. Affix  
the tape to the tweeter and place the mask  
onto the speaker.  
5. Insert the loudspeaker into the cutout in  
the ceiling.  
Painting the Grilles:  
The LSC-8 grille should be painted before  
they are installed on the speakers. The best  
results will be obtained by using a spray gun  
or airless sprayer. Thin the paint, and then  
apply several light coats. This technique  
helps prevent clogging of grille holes. Paint  
both sides of the grille to cover all the white  
paint.  
6. The dogs are tightened via four  
front-baffle screws. Tighten the dogs  
by turning the screws clockwise,  
while pressing the loudspeaker against  
the ceiling. NOTE: DO NOT OVER  
TIGHTEN THESE SCREWS. Over-  
tightening the screws may make the grille  
difficult to install.  
OPERATION  
8. Install the grille into the speaker.  
Listening at Higher Volumes  
9. Repeat this procedure for the next  
speaker.  
It requires more power to achieve a  
reasonable volume of sound in a large room  
than it does in a small room. It is possible  
to turn the volume so high that the amplifier  
runs out of power. This creates “clipping”  
distortion.  
Directing theTweeter:  
The tweeter is directed by gently pushing  
on the outside edge of the tweeter grille. It  
will move 20° in any direction. For critical  
listening, point the tweeter to the user’s  
favorite listening position, minimizing  
reflections from the side walls. For surround  
sound or low volume background listening  
create more reflections and thus more  
ambience by directing the tweeter towards  
the side walls.  
Clipping distortion makes treble sound very  
harsh and unmusical. When you hear harsh  
sounding treble from any good speaker,  
turn the volume down immediately! You are  
much less likely to damage a speaker with  
a large amplifier because it will be more  
difficult to produce clipping distortion.  
SPECIFICATIONS: LSC-8  
Removing the Grilles:  
Power handing:  
To remove the grille from the LSC-8, obtain a  
small paper clip (size #1, common) and bend  
the last quarter inch of it into an “L” shape.  
Holding the paper clip with a pair of pliers,  
insert the end with the “L” into a hole near  
the edge of the grille. Remove the grille by  
pulling the paper clip towards you.  
5 – 100 watts  
Frequency response:  
55Hz-20kHz +/- 3dB  
Impedance:  
6 ohms  
Dimensions:  
10-5/8" outside frame diameter  
Painting the Speakers:  
9-1/2" diameter hole cutout  
The speakers must be masked prior to  
painting them. The inside circular portion  
of the hole template can be used as a  
paint mask. Remove the outside portion  
of the template by gently pulling along the  
perforation. Affix the mask to the front of the  
3-3/4" deep when installed in 1/2" drywall  
Ceiling Bracket for New Construction:  
JobSite NCB-8 (sold separately)  
Warranty: 5 year limited  
4
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WARRANTIES OF MERCHANTABILITY OR FITNESS  
FOR A PARTICULAR PURPOSE, WITH RESPECT TO  
THE PRODUCT.  
LIMITED WARRANTY  
JobSite Systems (“JOBSITE”), a Niles Audio  
Corporation company, warrants its passive products  
(those not requiring AC or battery power) to the original  
purchaser to be free of manufacturing defects in  
material and workmanship for a period of ten years  
from date of purchase.  
REPAIR OR REPLACEMENT AS PROVIDED UNDER  
THIS WARRANTY IS THE EXCLUSIVE REMEDY OF  
THE CONSUMER/PURCHASER. JOBSITE SHALL  
NOT BE RESPONSIBLE FOR ANY INCIDENTAL  
OR CONSEQUENTIAL DAMAGES EXCEPT TO  
THE EXTENT PROVIDED (OR PROHIBITED) BY  
APPLICABLE LAW.  
JOBSITE warrants its passive loudspeaker products  
(those not requiring AC or battery power) to the  
original purchaser to be free of manufacturing  
defects in material and workmanship for a period of  
five years from date of purchase.  
Some states do not allow the exclusion or limitation  
of incidental or consequential damages, so the above  
limitation may not apply to you. This warranty gives  
you specific legal rights, and you may also have other  
rights, which vary from state to state.  
JOBSITE warrants its indoor/outdoor loudspeaker  
products to the original purchaser to be free of  
manufacturing defects in material and workmanship  
for a period of two years from date of purchase.  
For the name of the nearest authorized JOBSITE  
wholesale distributor, contact:  
JobSite Systems  
JOBSITE warrants its all weather rock loudspeaker  
products to the original purchaser to be free of  
manufacturing defects in material and workmanship  
for a period of five years from date of purchase.  
12331 S.W. 130 Street, Miami, Florida 33186  
WWW.JOBSITESYSTEMS.COM  
JOBSITE warrants its active products (those requiring  
AC or battery power) to the original purchaser to  
be free of manufacturing defects in material and  
workmanship for a period of two years from date of  
purchase.  
This Warranty is subject to the following additional  
conditions and limitations. The Warranty is void and  
inapplicable if JOBSITE deems that the product has  
been used or handled other than in accordance  
with the instructions provided by the manufacturer,  
including, but not limited to, damage caused  
by accident, mishandling, improper installation,  
abuse, negligence, or normal wear and tear, or any  
defect caused by repair to the product other than  
by JOBSITE or an authorized JOBSITE wholesale  
distributor.  
To obtain warranty service, you must write to  
JOBSITE: Include your name, address, telephone  
number, model number and serial number of your unit,  
and a brief description of the problem.  
A factory Return Authorization Number will be  
sent to you. DO NOT RETURN ANY UNIT WITHOUT  
FIRST RECEIVING WRITTEN AUTHORIZATION AND  
SHIPPING INSTRUCTIONS FROM JOBSITE.  
If the above conditions are met, the purchaser’s sole  
remedy shall be to return the product to JOBSITE,  
in which case JOBSITE will repair or replace, at its  
sole option, the defective product without charge for  
parts or labor. JOBSITE will return the unit repaired  
or replaced under warranty by shipping it by its usual  
shipping method from the factory (only) at its expense  
within the United States of America. THERE ARE  
NO OTHER WARRANTIES, INCLUDING, WITHOUT  
LIMITATION, EITHER EXPRESS OR IMPLIED  
5
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JOBSITE SYSTEMS  
12331 S.W. 130 STREET, MIAMI, FLORIDA 33186  
P 866.4JB.SITE (866.452.7483) – F 305.238.0185  
WWW.JOBSITESYSTEMS.COM  
© 2005 JobSite Systems. All rights reserved. JobSite, Pure Custom and Niles are registered trademarks of Niles Audio Corporation and the  
JobSite Logo is a trademark of Niles Audio Corporation. All other trademarks are the property of their respective owners. Some JobSite products  
(or components thereof) are manufactured under one or more U.S. Patents, foreign equivalents and/or pending patents (see product for details).  
Because we constantly strive to improve our products, JobSite reserves the right to change product specifications, descriptions, and prices  
without notice. The technical and other specifications of information contained herein are not intended to set forth all technical and other speci-  
fications of JobSite products. Additional information can be obtained at WWW.JOBSITESYSTEMS.COM or by calling JobSite at 866.452.7483.  
Printed in China. 07/05 DS00451ACN  
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