MODEL MP41B/MODEL MP41W
Owners Manual
4545 E Baseline Rd
Phoenix AZ 85040
Phone: (602)438-4545
Fax: (602)438-8692
21A2953
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SPECIFICATIONS
INTRODUCTION
About the MP41 Multi Purpose Speaker
Frequency Response
102-20kHz
The MTX MP41 may be the most comprehensive
loudspeaker design ever conceived. The unparalleled
application flexibility afforded by this design gives you the
freedom to listen to music almost anywhere and in just
about any possible configuration.
Impedance
8 Ohms
Power Handling
Total Power Handling
Sensitivity
40 Watts RMS
160 Watts
Features
•Balanced Dome Tweeter
Extended high frequency response is achieved through the
use of an integrated balanced dome tweeter. This particular
design offers the efficiency of a cone type tweeter with the
wide dispersion pattern of a dome. The tweeter is also
magnetically shielded to minimize color distortion of your TV
when used as a home theater system center channel or
front main speaker.
85dB @ 1W/1m
4” Shielded
Woofer
Tweeter
1/2” Balanced Dome
•4”Woofer
Dimensions
8.115”H x4.812”W x 4.937”D
The mineral filled polypropylene cone and butyl rubber
surround of the MP41 are combined with a computer
optimized magnetically shielded motor structure and a long
wind voice coil to provide extended low bass response. The
woofer and tweeter have been designed to provide excellent
frequency response characteristics, both on and off axis,
across the majority of the audible frequency spectrum.
Specifications subject to change without notice.
•Weather Resistant Design
All of the material used in the construction of the Model
MP41 were chosen for their environmental stability as well
as their sonic characteristics.
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MP41 PARTS GUIDE
MP41 SET UP GUIDE
HOME THEATER
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Left/Center/Right Front Speaker Height
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3
One of the most Important parameters for the
left/center/right/front speakers in a home theater system is
height. Figure 2 shows the ideal arrangement of the
speakers in relation to the viewing screen: all three
speakers are aligned on the same horizontal plane. This
establishes a firm image height when special audio effects
are panned from one side to the other, such as a speeding
car moving across the screen. When a large discontinuity
occurs between the heights of the center front channel and
the left/right front speakers, as depicted in Figure 3, the
visual image of the moving object becomes confused and
somewhat unnatural due to shifts in image height.
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9
8
2
7
3
5
Figure 2 Proper placement of left/center/right front speakers.
1. Input Terminals
2. Threaded Inserts
3. Brass Thumb Screws
4. Aluminum Bracket
5. Self Adhesive Cabinet Feet
6. B-Type Bracket Mount End Cap
7. A-Type Standard End Cap
8. Grill
9. Grill Adhesive
Figure 3 Improper placement of left/center/right front speakers.
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MP41 SET UP GUIDE
HOME THEATER
MP41 CONFIGURATION GUIDE
CENTER CHANNEL
Remove the B-Type end caps, brass thumb screws, and
aluminum mounting bracket. Replace the brass thumb
screws in each end of the cabinet and snap A-Type end
caps into place. Then simply place the self adhesive cabinet
feet in the appropriate locations to protect the MP41 cabinet
and whatever surface that it will sit on.
Typical Loudspeaker Placement
Figure 1 illustrates the most generally accepted speaker
locations for a home theater system. Although there are an
infinite number of set up options using Figure 1 as a
template will certainly provide a great starting point.
Experimentation with slightly different speaker locations may
provide improved performance in your specific listening
environment.
The front left and right speakers should form a 45 degree
triangle using the center seating position as the apex.
The surround speakers should be placed beside the
listening area, and pointed towards each other. It is also
recommended that the speakers be 2-3 feet above the
listeners head.
A-TYPE
CAP
A-TYPE
CAP
SELF ADHESIVE
CABINET FEET
CENTER
FRONT
RIGHT
FRONT
LEFT
FRONT
SUBWOOFER
(OPTIONAL)
45
A-TYPE
CAPS
LEFT
REAR
RIGHT
REAR
LISTENING AREA
SELF ADHESIVE
CABINET FEET
Figure 1 Typical loudspeaker placement in a home theater system.
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MP41 CONFIGURATION GUIDE
BOOKSHELF
WIRING
Connecting the Speakers to Your System
Remove the B-Style end caps, brass thumb screws, and
aluminum mounting bracket. Replace the brass thumb
screws in each end of the cabinet and snap A-Type end
caps into place. Then simply place the self adhesive cabinet
feet in the appropriate locations to protect the MP41 cabinet
and whatever surface that it will sit on.
Though there are many sizes of speaker wire available.
MTX recommends using 18 gauge or heavier wire to
connect your loudspeakers to your amplifier or receiver.
Before cutting the speaker wire to the proper lengths, be
sure to leave an extra two or three feet of surplus wire, just
in case you have to move the components around. Using a
wire cutter or sharp knife, strip off about half an inch of
insulation from both ends. Twist the exposed wires to make
them easier to insert in the speaker terminals. Make sure
that you unplug your amplifier or receiver before proceeding
any further.
A-TYPE
CAP
When using the MP41 as a center channel or surround
speaker follow the hook-up directions included with your
surround processor.
It is essential that you connect your two speakers “in
phase”. To do so, first take note of the code used on the
speaker wire to differentiate between the two wires that run
through it.
To wire your speakers in phase, make sure the positive (+)
terminals on the back of your receiver are connected with
the red terminals on the back of your loudspeakers, and the
negative (-) terminals on the receiver are connected with
the black terminals on the speakers (see diagram). Note
that negative (-) terminals on the receiver may also be
marked “common” or “ground” (GND).
Be certain that no stray strands of wire cross from one
terminal to another on either speaker or receiver. This could
result in a damaging short.
A-TYPE
CAP
RED BLACK
RED
RED
LEFT
RIGHT
+
-
-
+
BLACK
BLACK
+
-
SELF ADHESIVE
CABINET FEET
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PAINTING
MP41 CONFIGURATION GUIDE
FLOOR STAND
Carefully remove the spring clip on the back of the grill logo
and remove the logo. Mask the baffle area of the speaker
cabinet out to the grill mounting groove. If you are going to
mount the MP41 using the supplied wall bracket it is best to
also mask off the foam rubber bracket gaskets at the top
and bottom of the speaker cabinet. Almost any type of paint
can be used but best results will be had using a quick
drying enamel or lacquer spray paint. For best results
always follow the paint manufacturers recommendations for
proper application. After painting the cabinet, grill and
applicable end caps allow the paint to dry thoroughly.
Remove the B-Type end caps, brass thumb screws, and
aluminum mounting bracket. Replace the brass thumb
screws in the top of the cabinet and snap an A-Type end
cap into place. Then simply mount the MP52 to the
recommended Studio Tech S1 stands using a 1/4-20 1” long
hex head bolt. (Not Included)
A-TYPE
CAP
GRILL ASSEMBLY
Place the four grill adhesive strips in the groove located at
the outer rim of the baffle. Carefully snap the grill into place
and rotate the logo for proper orientation.
STUDIO TECH
S1 STANDS
RECOMMENDED
BRASS
THUMB
SCREW
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MP41 CONFIGURATION GUIDE
MP41 CONFIGURATION GUIDE
BRACKET MOUNTING
BRACKET MOUNTING
1) Remove the B-Type end caps, brass thumb screws, and
aluminum mounting bracket.
ALUMINUM
BRACKET
B-STYLE
CAP
2) Hold the bracket up to the desired mounting surface.
Being careful to leave enough space for tightening the brass
thumb screws and installing the B-Type end caps.
BRASS
THUMB
SCREW
3) Use a level or measuring tape to insure that the bracket
is square with its surroundings.
4) Mark the locations of the bracket mounting screw holes.
5) Drill pilot holes (if required) into the mounting surface.
6) Pull the speaker wire through the center hole in the
bracket.
7) Attach the bracket to the mounting surface. Please Note:
The MP41 weighs approximately 4 pounds, use only
hardware that will support this type of load.
BRASS
THUMB
SCREW
8) Slide the MP41 cabinet into the mounting bracket and
secure with the two brass thumb screws.
9) Adjust the MP41 cabinet for the desired angle and
tighten the thumb screws.
B-STYLE
CAP
10) Attach the B-Type end caps by inserting the cap
mounting tab into the slot in the back of the speaker baffle.
Then snap the cap down onto the brass thumb screws.
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