MTX Audio Speaker 825W1 User Manual

MODEL 625W / MODEL 825W  
OWNER’S MANUAL  
1 Mitek Plaza  
Winslow, IL 61089  
815-367-3000  
800-225-5689  
21A6494  
 
OTHER PRODUCTS FROM MTX  
In-Ceiling Loudspeakers  
LOUDSPEAKER PLACEMENT  
MTX In-Wall Speakers are designed to work within any interior decorating scheme.  
They can be installed in virtually any location where flush mounting is possible.  
To maximize their sound performance however certain guidelines should be fol-  
lowed. For the best stereo reproduction the two loudspeakers should be placed  
an equal distance from your listening position and separated so that the angle  
between them, at the listening position, is between 40 and 60 degrees.  
MODEL 625C  
MODEL 520C  
6-1/2” Coaxial In-Ceiling Speaker w/  
swivel tweeter  
5-1/4” Coaxial In-Ceiling Speaker w/  
swivel tweeter  
Impedance: 8 ohms nominal  
Sensitivity: 85dB  
Impedance: 8 ohms nominal  
Sensitivity: 85dB  
55W RMS/110W Peak Music  
Frequency Response: 50Hz-20kHz  
9”Dia. x 3-1/2”D  
50W RMS/100W Peak Music  
Frequency Response: 60Hz-20kHz  
7-3/4”Dia. x 3-3/4”D  
MODEL 825C  
8” Coaxial In-Ceiling Speaker w/  
swivel tweeter  
Impedance: 8 ohms nominal  
Sensitivity: 85dB  
60W RMS/120W Peak Music  
Frequency Response: 40Hz-20kHz  
10-3/4”Dia. x 4”D  
For best stereo imaging, we recommend that the units be placed so that the  
tweeters are as close as possible to the ear level of a seated listener. As this is  
not always possible in keeping with aesthetic design of a particular room, MTX  
In-Wall Speakers were designed with a pivoting tweeter which rotates to allow you  
to “aim” the high frequencies toward the listening position.  
Home Loudspeakers  
MONITOR6  
MONITOR6C  
6-1/2” Center Channel Loudspeaker  
19mm Dome Tweeter  
6-1/2” Two-Way Home Loudspeaker  
19mm Dome Tweeter  
Impedance: 8 ohms nominal  
Sensitivity: 92dB  
Impedance: 8 ohms nominal  
Sensitivity: 89dB  
100W RMS/150W Peak Music  
Frequency Response: 60Hz-20kHz  
7 1/2”H x 17 5/8”W x 8”D  
100W RMS/200W Peak Music  
Frequency Response: 55Hz-20kHz  
12 3/4”H x 7 1/2”W x 8 1/2”D  
MONITOR10  
MONITOR12  
10” Three-Way Home Loudspeaker  
19mm Dome Tweeter  
12” Three-Way Home Loudspeaker  
19mm Dome Tweeter  
Impedance: 8 ohms nominal  
Sensitivity: 92dB  
Impedance: 8 ohms nominal  
Sensitivity: 94dB  
200W RMS/400W Peak Music  
Frequency Response: 30Hz-20kHz  
31 7/16”H x 11 1/8”W x 14 5/16”D  
Normal Dispersion  
250W RMS/500W Peak Music  
Frequency Response: 25Hz-20kHz  
35”H x 13 1/8”W x 16 1/16”D  
Dispersion After Tweeter Adjustment  
TWEETER LEVEL ADJUSTMENT  
The output of the tweeter can be adjusted to compensate for speaker placement/  
listening positions that are less than ideal. The 0dB position is designed to pro-  
vide the smoothest frequency response on axis. If the high frequency response is  
considered to be too strong or too weak, the tweeter level can increased (+3dB  
position) or decreased (-3dB position) to suit the listeners preference.  
TECHNICAL ASSISTANCE  
For additional technical assistance you can visit our website at www.mtx.com.  
Otherwise, our technical service representatives can be reached by phone: 1-800-  
CALL-MTX or by email: [email protected].  
 
STEP 1  
STEP 4  
Using a stud finder (available at low cost at most hardware stores) or other accu-  
rate method, locate center point between two studs and mark. Using template  
provided, trace hole pattern on surface of wall. Placing a bubble level on either  
the horizontal or vertical guidelines of template will assist you in leveling the hole  
pattern.  
Attach loudspeaker wires to speaker terminals, observing correct polarity (posi-  
tive to positive and negative to negative), and position speaker frame into cutout  
as shown. Be careful not to pinch wires in the process.  
STEP 5  
Carefully tighten the six mounting screws. This will cause the mounting wings to  
rotate out behind the mounting surface and secure the speaker in place.  
STEP 2  
Using a sabre saw, keyhole saw or very sharp utility knife, cut hole in wall, fol-  
lowing traced pattern.  
STEP 6  
STEP 3  
After the speaker panel is secured tightly, test for sound. When you are satisfied  
the speaker is operational, affix grill. As grill is designed for a snug fit, you’ll need  
to position one edge into slot first, and press or squeeze around perimeter of grill,  
while pushing leading edges into grill slot.  
Run loudspeaker wires to sound source location. There are several methods you  
can use to accomplish wiring,depending on the construction characteristics of the  
room or house. You can add a professional touch to your installation by using a  
speaker terminal plate at the source location. Leave sufficient amount of wire at  
speaker location (8 to 10 inches) to complete connection.  
 

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