OEM Systems Speaker AP 525 LCRS User Manual

For all Dual 5-1/4" LCR In-Wall Loudspeakers  
Congratulations! You have purchased a high quality stereo  
loudspeaker. When matched to comparable electronic  
equipment, expect years of quality high fidelity sound. We  
are constantly striving to provide the very best technology  
has to offer.  
Ideally, the speakers should be located where they will provide  
the best possible sound and ease of installation. It is beyond  
the scope of this publication to discuss all of the various  
aspects of speaker placement but here are some suggestions  
that should be helpful. For more bass, place the speakers  
between 18 and 36 inches from an adjacent wall as measured  
to the center of the speaker. Avoid placing the speakers less  
then 18 inches from an adjacent wall. When placing speakers  
near a corner, avoid locating them an equal distance from the  
two adjacent walls.  
The following manual is designed to give you, the installer  
or owner, basic information as to the speaker’s installation  
and operation. It is beyond the scope of this manual to go  
into all the details that must be taken into consideration in  
a sophisticated high fidelity system. When installing the  
wiring and speakers it is important to adhere to all local  
codes and regulations. Consulting a professional will help  
to maximize your system’s performance.  
When used in a home theater the front left and right speakers  
should be separated from each other a distance of 0.8 to 1.2  
times the seating distance (assuming they are on the same  
plane as the center speaker). For example, if the seating  
position is 10 feet from the viewing screen and/or center  
speaker then ideally the distance between the left and right  
speakers should be somewhere between 8 and 12 feet, (10 x  
1.2ft = 12ft). MTM style speakers are best installed in portrait  
orientation. However, landscape is often used for the center  
speaker for aesthetic or clearance purposes. If the speakers  
are located behind an acoustically transparent screen then  
all the speakers should be oriented portrait style. Aiming  
the pivoting tweeter toward the listening area will add a little  
brilliance by raising the amplitude of the highest frequencies  
(>12kHz). Aim the tweeter by pressing the lens area along  
side the tweeter dome.  
If you have any questions that are not answered by this  
manual, contact your local dealer for assistance. For the  
most current information please visit:  
GENERAL DESCRIPTION  
These two-way speakers have specially designed woofers  
with linear long throw butyl rubber surrounds for long life  
and superior damping. Pivoting Dome Tweeters are utilized  
for excellent high frequency dispersion throughout your  
entire listening environment.  
SHIPPING DAMAGE  
Each speaker is thoroughly tested before it leaves the  
factory. However, in shipment, accidents may occur. Please  
inspect your speakers carefully when you receive them to  
make sure there is no damage. If there is, please notify  
your dealer, or supplier immediately for assistance. If you  
received your speakers by public transportation, report the  
damage at once to the shipping company.  
WIRING  
To achieve maximum performance from your new speakers  
we strongly suggest the use of good quality stereo cable.  
There are many good brands available. We recommend that  
the cable be at least 16 gauge or larger for runs of over 50 feet  
and that the cable be double insulated. This is often referred  
to as “jacketed” speaker cable. “Zip cord,” which is single  
insulated and is often made with clear insulation, should be  
avoided as it is not as durable. Allow about 2½ feet (0.8m) of  
free cable at the speaker cut-out and sufficient length at the  
other end to reach the electronics. Having to add extra cable  
later can be tedious and time consuming.  
AMPLIFIER OPERATION  
These speakers will perform well with amplifiers from 5 to  
125 Watts RMS. However, damage to the speakers can be  
done by amplifiers of nearly any power rating if the amplifier  
is overdriven into clipping. “Amplifier clipping” is a phrase  
used to describe a condition when, because of the volume  
demand, an amplifier is being asked for more power than  
it can give. Clipping causes distortion of the audio signal.  
If you should hear an unusual amount of distortion at high  
listening levels then consider reducing the volume. DAMAGE  
DONE TO A SPEAKER BY CLIPPING IS NOT COVERED UNDER  
THE WARRANTY.  
Avoid bundling speaker cables parallel to electrical cables  
for extended lengths. Though the impedance is low and the  
likelihood of interference low, this may help reduce hum and  
RF interference. When securing the cable, use care not to  
staple or nail the electrical conductors. Doing so could result  
in a short that might damage the electronics.  
Overall (W x H)  
9" x 15-3/4"  
9" x 15-3/4"  
9" x 15-3/4"  
Cut-Out (W x H x Depth)  
7-7/8" x 14-7/16" x 3-1/2"  
7-7/8" x 14-7/16" x 3-1/2"  
7-7/8" x 14-7/16" x 3-1/2"  
SPEAKER PLACEMENT  
AP-525 LCRS  
SE-LCR KE  
Placement of In-wall Speakers should be carefully  
considered. Please contact a professional for  
assistance if you are uncomfortable with the planning or  
installation process.  
PS-525 LCRS  
Rev. A  
page 1 of 2  
 

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