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
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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