MTX Audio Speaker 625C User Manual

MODEL 520C/ MODEL 625C  
AND MODEL 825C  
OWNER'S MANUAL  
1 Mitek Plaza  
Winslow, IL 61089  
815-367-3000  
800-225-5689  
21A6532  
 
OTHER PRODUCTS FROM MTX  
In-Wall Loudspeakers  
LOUDSPEAKER PLACEMENT  
MTX In-Ceiling 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 followed. 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 825W  
MODEL 625W  
8” Two-Way In-Wall Speaker  
25mm Soft Dome Swivel Tweeter  
Impedance: 8 ohms nominal  
Sensitivity: 86dB  
6-1/2” Two-Way In-Wall Speaker  
25mm Soft Dome Swivel Tweeter  
Impedance: 8 ohms nominal  
Sensitivity:85dB  
60W RMS/120W Peak Music  
Frequency Response: 36Hz-20kHz  
14”H x 10”W x 3-1/2”D  
55W RMS/110W Peak Music  
Frequency Response: 48Hz-20kHz  
12”H x 8 5/8”W x 3 1/4”D  
Home Loudspeakers  
MONITOR6  
MONITOR6C  
6-1/2” Two-Way Home Loudspeaker  
19mm Dome Tweeter  
6-1/2” Center Channel Loudspeaker  
19mm Dome Tweeter  
Impedance: 8 ohms nominal  
Sensitivity: 89dB  
Impedance: 8 ohms nominal  
Sensitivity: 92dB  
100W RMS/200W Peak Music  
Frequency Response: 55Hz-20kHz  
12 3/4”H x 7 1/2”W x 8 1/2”D  
100W RMS/150W Peak Music  
Frequency Response: 60Hz-20kHz  
7 1/2”H x 17 5/8”W x 8”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  
250W RMS/500W Peak Music  
Frequency Response: 25Hz-20kHz  
35”H x 13 1/8”W x 16 1/16”D  
TECHNICAL ASSISTANCE  
TWEETER LEVEL ADJUSTMENT  
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].  
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 be increased (+3dB  
position) or decreased (-3dB position) to suit the listeners preference.  
 
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 joists and mark. Using template  
provided, trace hole pattern on surface of ceiling  
Attach loudspeaker wires to speaker terminals, observing correct polarity, and  
position speaker frame up into cutout. Be careful not to pinch wires in the pro-  
cess.  
STEP 2  
Using a sabre saw, keyhole saw or very sharp utility knife, cut hole in wall, fol-  
lowing traced pattern.  
STEP 5  
Carefully tighten the four mounting screws. This will cause the mounting wings to  
rotate out behind the mounting surface and secure the speaker in place.  
STEP 3  
STEP 6  
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.  
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.  
 

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