Mamp;S Systems Speaker 8 Ohm User Manual

8-Ohm Ceiling Speakers  
For Music and HomeTheater  
Owners Manual  
 
Page 2  
S50C  
Frequency Response 50 Hz to 20 kHz  
Maximum Power  
Rating  
50 Watts  
Impedance  
8 Ohms  
Overall Dimensions  
Specifications  
9” Diameter x 3 3/8” Depth  
Two way; 6½” woofer, 1” soft  
dome swivel tweeter  
Mounting Dimensions 7 ¾” Diameter x 3” Depth  
Grille  
Color  
Metal  
White  
S40C  
Frequency Response 60 Hz to 20 kHz  
Maximum Power  
Rating  
40 Watts  
Impedance  
8 Ohms  
Overall Dimensions 9” Diameter x 3 3/8” Depth  
Two way; 6½” woofer, 1” mylar  
swivel tweeter  
Specifications  
Mounting Dimensions 7 ¾” Diameter x 3” Depth  
Grille  
Color  
Metal  
White  
S30C  
Frequency Response 70 Hz to 16 kHz  
Maximum Power  
Rating  
30 Watts  
Impedance  
8 Ohms  
Overall Dimensions 10 ¾“ Diameter x 3 ¼” Depth  
Dual cone 8”, wide range re-  
sponse  
Specifications  
Mounting Dimensions 9 3/8” Diameter x 2 ¾” Depth  
Grille  
Color  
Metal  
White  
 
S30C3  
Frequency Response 70 Hz to 16 kHz  
Maximum Power  
Rating  
30 Watts  
Impedance  
8 Ohms  
Overall Dimensions 10 ¾” Diameter x 4” Depth  
Specifications  
Dual cone 8”, wide range  
response  
Mounting Dimensions 9 1/2” Diameter x 3 3/4” Depth  
Grille  
Color  
Metal  
White  
S30C2  
Frequency Response 100 Hz to 15 kHz  
Maximum Power  
Rating  
30 Watts  
Impedance  
8 Ohms  
Overall Dimensions  
Specifications  
7 ¾” Diameter X 3 3/8” Depth  
Dual cone 5 ¼”, wide range re-  
sponse  
Mounting Dimensions 6 ½” Diameter X 3 1/8” Depth  
Grille  
Color  
Metal  
White  
S100CS*  
Frequency Response 35 Hz to 20 kHz  
Maximum Power  
Rating  
100 Watts  
Impedance  
8 Ohms  
Overall Dimensions 10¾” Diameter x 4 1/8” Depth  
Two way; 8” woofer, 1” swivel  
tweeter  
Specifications  
Mounting Dimensions 9 3/8” Diameter x 3 5/8” Depth  
Grille  
Color  
Metal  
White  
*Note: Recommend using MR82 mounting rings with this speaker.  
Page 3  
 
Page 4  
MONO CEILING SPEAKERS (SOLD SEPARATELY)  
S40C2  
Frequency Response 45 Hz to 15 kHz  
Maximum Power  
Rating  
40 Watts  
Impedance  
8 Ohms / 8 Ohms  
Overall Dimensions 9” Diameter x 3 ½” Depth  
Specifications Dual Voice coil; Dual cone 6 ½”  
speaker  
Mounting Dimensions 7 ¾” Diameter x 3” Depth  
Grille  
Color  
Metal  
White  
UNPACKING YOUR SPEAKERS  
After carefully unpacking your speakers, the carton and the  
packing material should be saved for possible use later. If  
any speaker appears to be damaged, do not attempt to  
repair or to connect the unit to the amplifier. Repack the  
speaker and notify your distributor or M&S Systems for  
replacement or repair.  
SPEAKER LOCATION  
Careful consideration must be given to the speaker location  
to realize the full frequency range. Ceiling speakers should  
be spaced 6 to 8 feet (6 feet for 8-foot ceilings and 8 feet  
for 10-foot ceilings and above) apart but no closer than 2  
feet to any adjacent wall. Avoid placing speakers in air re-  
turn cavities. Some type of protection will be required for  
the back of the speaker if blown insulation is used. The fol-  
lowing is a partial list of ways to protect the speaker:  
Use an RE-16 speaker cover (sold separately).  
Use a piece of wood that will cover at least 3’ on either  
side of the speaker opening. The ends may be partially  
closed to keep the blown insulation from reaching the  
speaker, however, a minimum gap of 2” at each end is  
better than a sealed box.  
 
Use a piece of bat insulation at least 3” thick over  
the back of the speaker. This insulation should not  
have a backing or if it does, the backing must be in-  
stalled facing away from the speaker.  
Use a fine mesh to cover the back of the speaker to  
protect against bulk type insulation materials. This  
will not work with insulation containing fine pow-  
ders.  
Do not install speakers in stud cavities containing  
120/240V appliances, within 18 inches of dimmer light  
fixtures, security wiring and other control wiring.  
SPEAKER INSTALLATION FOR  
NEW CONSTRUCTION  
Step 1. After you have determine the speaker locations  
using the guidelines above, secure a 16 gauge 2 conductor  
cable, such as the M&S Systems MS16X, (DO NOT USE  
STAPLES) for attachment to the speakers after the dry  
wall has been installed. NOTE: On the model S40C2,  
you will need to run 2-2 conductor cables to the speaker  
location for connecting the left and right signals to pro-  
duce a monaural sound. Leave at least 18 inches addi-  
tional cable for the connection during final speaker instal-  
lation. Run the other end of the speaker cables to the  
speaker volume control location and secure in a single  
gang box along with a 4 conductor 16 gauge cable, such  
as the M&S Systems MS164X, that will connect to the  
amplifier. NOTE: Make a drawing of each speaker  
location. This will assist you in locating the wires that  
have been covered after the sheet rock has been  
installed.  
Page 5  
 
Page 6  
Step 2. To begin installation of the speakers, first locate  
the area where the wires are installed. At each location,  
cut a hole to the dimensions shown for the model being  
installed (Mounting Dimensions) in the tables found on  
pages 1-3. The cutout should be centered in the stud  
space opening. Prepare the speaker wiring by stripping off  
approximately 3 inches of the outer jacket (care should  
be taken so the insulation on the wires inside the jacket  
are not damaged) also strip approximately 3/8 inch off the  
ends of the two inside conductors. Twist the ends of the  
stranded cable so the wires are tight.  
Step 3. You are now ready to install the speaker. Re-  
move the front grille from the speaker. (Be careful not  
to touch the speaker cones in order to prevent any dam-  
age). Attach the speaker cable to the speaker by pressing  
down on the red (+) or black (-) tabs and inserting the  
red wire in the red terminal and the black wire in the  
black terminal. See Figure 1. Make sure that none of the  
strands from the black and red wires are touching each  
other. This can create a short circuit that can damage  
your electronics. Index the mounting tabs to make sure  
that all tabs will clear the opening. Insert the speaker in  
the wall and tighten the tabs with the screws on the front  
of the grille. DO NOT OVERTIGHTEN THE SCREWS,  
the screws should only be tight enough to secure the  
speaker.  
Step 4. After the speaker is mounted, adjustments to  
the swivel tweeter (small speaker) can be made by either  
directing the sound visually or by using a musical source  
to determine the best sound coverage for the listening  
area. To position the tweeter, press at the outside edge  
of the tweeter cone area (DO NOT PRESS ON THE  
CONE DIRECTLY).  
 
Step 5. Divide each adhesive bead strip in half.  
(Adhesive bead strips are in the clear self-closing bag).  
Place strips on the edge of the grill as shown in Figure  
2. Reinstall the grill on the speaker.  
Step 6. Follow the instructions included with the vol-  
ume control and amplifier to complete the installation.  
Cam-locke mounting tab shown  
in the install position (4 places)  
Connect to 16  
Gauge 2  
conductor wire  
from wall plate  
Figure 1  
SPEAKER INSTALLATION FOR EXISTING  
CONSTRUCTION  
For existing construction, use the same guidelines for  
new construction with the following precautions. It is  
very important to determine what is behind the wall  
space that you will open when installing the speakers.  
Check for standard stud spacing (16” on center pre-  
ferred) so you will not need to cut studs and check the  
wiring path to the volume control and amplifier. Avoid  
120V wiring and air return duct and pipe. Proper  
speaker spacing is also critical to a good system.  
Page 7  
 
Page 8  
The only difference between new and existing  
construction is the order in which the process is done  
(steps 1, 2 and 3). In existing construction the speaker  
hole is cut, the wire is run to the volume control box,  
and the speaker is connected to the wiring and installed  
in the wall. You are ready to complete the process using  
steps 4, 5, and 6 for new construction.  
Figure 2  
 
SERVICE & TROUBLESHOOTING  
M&S Systems is committed to producing high quality  
products for the home. If you have any questions or  
problems with the speaker systems or the system is not  
operating properly, contact your M&S installer or call M&S  
Systems at (800) 366-9422.  
 
M&S SYSTEMS Limited 2-Year No-Fault Product Warranty  
M&S SYSTEMS warrants for 2 years all products to be free of defects (M&S  
SYSTEMS honors the 10-Year No-Fault warranty for AirVac Gold power  
units). The warranty period begins from either (1) the date of “first user”  
purchase of this product or (2) the first close of escrow date on a residence in  
which this new product was originally installed. This warranty extends to the  
original user of the product and to each subsequent owner of the product  
during the term of this warranty. M&S SYSTEMS will repair or replace, at its  
option, parts and materials at no charge. Parts supplied under this warranty  
may be new or rebuilt at the option of M&S SYSTEMS.  
If, during the limited warranty period, it appears as though this product con-  
tains a defect, which is covered by this limited warranty, call our toll free ser-  
vice number before dismantling the product (1-800-877-6631). Remember to  
attain a Return Authorization Number (RAN) before returning any product to  
M&S SYSTEMS. Send the product freight pre-paid and insured to our service  
center for warranty repair. You will be advised on shipping instructions when  
you call the toll free service number. M&S Systems will return the repaired  
product freight pre-paid within the U.S.A. The installing dealer or distributor  
may assist you, at your choice and expense, with returning product for repair.  
Please include a brief description of the problem and a dated proof-of-  
purchase receipt with any product that is returned for warranty repair. ANY  
PRODUCT RETURNED WITHOUT A RETURN AUTHORIZATION NUM-  
BER WILL BE REFUSED.  
THIS LIMITED WARRANTY IS IN LIEU OF ANY OTHER WARRANTIES,  
EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR  
OTHERWISE, AND OF ANY OTHER OBLIGATIONS OR LIABILITY ON  
THE SELLER’S PART. THIS LIMITED WARRANTY DOES NOT COVER  
DAMAGE CAUSED BY IMPROPER INSTALLATION, THE VIOLATION OF  
APPLICABLE BUILDING OR ELECTRICAL CODES OR THE USE OF NON-  
M&S/NON-AIRVAC WIRE (EXCLUDING STRUCTURED WIRE  
PACKAGES), CABLE (EXCLUDING STRUCTURED WIRE PACKAGES) OR  
WALL HOUSINGS. THIS LIMITED WARRANTY APPLIES ONLY TO  
PRODUCTS INSTALLED IN A PRIVATE RESIDENCE.  
UNDER NO CIRCUMSTANCES SHALL THE SELLER BE LIABLE FOR CON-  
SEQUENTIAL, INCIDENTAL OR SPECIAL DAMAGES ARISING IN CON-  
NECTION WITH USE OR INABILITY TO USE THIS PRODUCT. IN NO  
EVENT SHALL SELLER’S LIABILITY, FOR BREACH OF WARRANTY,  
BREACH OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY, EXCEED  
THE COST OF THE PRODUCT COVERED HEREBY. NO PERSON IS AU-  
THORIZED TO ASSUME FOR US ANY OTHER LIABILITY IN CONNEC-  
TION WITH THE SALE OF THIS PRODUCT.  
Some states do not allow the exclusion or limitation of consequential,  
incidental or special damages, so the above limitation or exclusion may not  
apply to you. This limited warranty gives you specific legal rights, and you may  
also have other rights, which vary from state to state.  
 
2861 Congressman Lane  
Dallas, TX 75220  
Phone: 800-877-6631  
115912 Rev B  
 

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