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MTX.COM
OWNER’S MANUAL
TSW10 & TSW12
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MTX.COM
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SAFETY SYMBOLS AND STATEMENTS
The lightning flash with arrowhead symbol within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated “dangerous voltage “ within the
product’s enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the product.
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF
PLUG TO WIDE SLOT, FULLY INSERTED.
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1. Read Instructions – All the safety and operating
instructions should be read before the product is opened.
2. Retain Instructions – The safety and operating
instructions should be retained for future reference.
3. Heed Warnings – All warnings on the product and in the
operating instructions should be adhered to.
4. Follow Instructions – All operating and use instructions
should be followed.
5. Cleaning – Unplug this product from the wall outlet before
cleaning. Do not use liquid cleaners or aerosol cleaners.
Use a damp cloth for cleaning. Exception: A product that
is meant for uninterrupted service and that for some
specic reason, such as the possibility of the loss of an
authorization code for a CATV Converter, is not intended
to be unplugged by the user for cleaning or any other
purpose, may exclude the reference to unplugging the
product in the cleaning description otherwise required
in above 5).
6. Attachments – Do not use attachments not recommended
by the product manufacturer as they may cause hazards.
7. Water and Moisture – Do not use this product near water
– for example, near a bath tub, wash bowl, kitchen sink, or
laundry tub; in a wet basement; or near a swimming pool;
and the like.
8. Accessories – Do not place this product on an unstable
cart, stand, tripod, bracket, or table. The product may
fall, causing serious injury to a child or adult, and serious
damage to the product. Use only with a cart, stand, tripod,
bracket, or table recommended by the manufacturer, or
sold with the product. Any mounting of the product should
follow the manufacturer’s instructions, and should use a
mounting accessory recommended by the manufacturer.
9. A product and cart combination should be moved with
care. Quick stop, excessive force, and uneven surfaces
may cause the product and cart combination to overturn.
10. Ventilation – Slots and openings in the cabinet are
provided for ventilation and to ensure reliable operation
of the product and to protect it from overheating, and
these openings must not be blocked or covered. The
openings should never be blocked by placing the
product on a bed, sofa, rug or other similar surface. This
product should not be placed in a built-in installation
such as a bookcase or rack unless proper ventilation is
provided or the manufacturer’s instructions have been
adhered to.
11. Power Sources – This product should be operated only
from the type of power source indicated on the marking
label. If you are not sure of the type of power supply
to your home, consult your product dealer or local
power company. For products intended to operate from
battery power, or other sources, refer to the operating
instructions.
12. Grounding or Polarization – This product may be
equipped with a polarized alternating-current line plug
(a plug having one blade wider than the other). This
plug will t into the power outlet only one way. This is a
safety feature. If you are unable to insert the plug fully
into the outlet, try reversing the plug. If the plug should
still fail to t, contact your electrician to replace your
obsolete outlet. Do not defeat the safety purpose of the
polarized plug.
13. Power-Cord Protection – Power-supply cords should
be routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the
product.
15. Outdoor Antenna Grounding – If cable system is
connected to the product, be sure the cable system
is grounded so as to provide some protection against
voltage surges and built-up static charges.
16. Lightning – For added protection for this product during a
lightning storm, or when it is left unattended and unused
for long periods of time, unplug it from the wall outlet
and disconnect the antenna or cable system. This will
prevent damage to the product due to lightning and
power-line surges.
17. Overloading – Do not overload wall outlets, extension
cords, or integral convenience receptacles as this can
result in a risk of re or electric shock.
18. Object and Liquid Entry – Never push objects of any kind
into this product through openings as they may touch
dangerous voltage points or short-out parts that could
result in a re or electric shock. Never spill liquid of any
kind on the product.
19. Servicing – Do not attempt to service this product
yourself as opening or removing covers may expose
you to dangerous voltage or other hazards. Refer all
servicing to qualied service personnel.
20. a) When the power-supply cord or plug is damaged.
b) If liquid has been spilled, or objects have fallen into
the product.
c) If the product has been exposed to rain or water.
d) If the product does not operate normally by following
the operating instructions. Adjust only those controls
that are covered by the operating instructions as an
improper adjustment of other controls may result
in damage and will often require extensive work by
a qualied technician to restore the product to its
normal operation.
e) If the product has been dropped or damaged in any way.
21. Replacement Parts – When replacement parts are
required, be sure the service technician has used
replacement parts specied by the manufacturer or
have the same characteristics as the original part.
Unauthorized substitutions may result in re, electric
shock, or other hazards.
22. Safety Check – Upon completion of any service or
repairs to this product, ask the service technician to
perform safety checks to determine that the product is in
proper operating condition.
23. Wall or Ceiling Mounting – The product should be
mounted to a wall or ceiling only as recommended by
the manufacturer.
24. Heat – The product should be situated away from heat
sources such as radiators, heat registers, stoves, or
other products (including ampliers) that produce heat.
IMPORTANT SAFETY INSTRUCTIONS
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INTRODUCTION
Thank you for purchasing this MTX powered home subwoofer system. Your new subwoofer is one of the
most exciting home entertainment electronic products available, adding impact and realism to recorded
music and movies.
Once set-up and properly adjusted, it should give you many years of entertainment pleasure.
Your subwoofer is a high value product using the latest materials, technology, and equipment by MTX, a
vertically integrated company.
Thank you for selecting MTX in making your audio equipment purchase.
FEATURES
Your subwoofer is nished in a durable vinyl and may be wiped clean with a damp cloth as needed Your new
subwoofer has many features which help to deliver great bass performance and make it a remarkable value.
*Highefciencyamplier:
The TSW10 and TSW12 utilize (class A/B) technology to deliver the highest sound quality possible.
*Versatilehook-upandoperation:
Your new subwoofer has a variety of input and output connections that make it easy to set-up and use
in almost any stereo or home theatre system.
*Lowdistortionwoofer:
The woofer uses an overhung voice coil and large excursion suspension to produce higher sound
pressure levels with lower distortion.
*Optimalenclosures:
Each enclosure is designed to match the parameters of its woofer to maximize performance.
UNPACKING/PRE-INSTALLATION INSTRUCTIONS
Unpack your new subwoofer carefully, keeping the carton and packing material for future use. Check the
condition of your unit, reporting any damage which may have occurred in transit to your dealer or shipping
company.
GLOSSARY
The following list of terms with their denitions is offered as a help in understanding the set-up and operation
of your subwoofer.
Crossover(xover) - a type of lter circuit that allows low frequencies to pass, while reducing the level of high
frequencies with the transition from low to high occurring at the crossover frequency. The rate of reduction
is called the attenuation rate or slope and is measured in decibels (dB) over a change in frequency of one
octave which is a doubling or halving of frequency.
Impedance - the resistance to the ow of current in an alternating current circuit (such as with music). Line
level circuits are typically a high impedance of several thousand ohms, while speaker level circuits are
usually a low impedance of a few ohms.
LineLevel - the type of signal produced at the outputs of preampliers, tape decks, CD players, etc., with a
typical value of a volt or less in a high impedance circuit. Sometimes called low level signals, they are routed
using shielded cables which are usually terminated with RCA phono connectors.
SpeakerLevel- the type of signal produced at the outputs of power ampliers that may be many volts in a
low impedance circuit. Sometimes called high level signals, they are routed using two conductor unshielded
wire of 18 gauge or larger. Connections are usually made with stripped ends of wire gripped in spring loaded
terminals..
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PLACEMENT OR POSITIONING
Your new subwoofer will work well in a variety of locations. However, placement in your listening room will
affect its performance. Since the wavelengths of sound reproduced by your subwoofer are large compared
to its size, those sounds are omni-directional in nature. This means that locating your subwoofer in relation to
your left and right main speakers will not affect the directional cues which they provide.
As a general rule, locating your subwoofer near the corner of the room will increase its overall output, but will
excite more standing waves in the room and may result in a more uneven response. Locating your subwoofer
along a wall will usually mean less acoustic output but a somewhat smoother response. A middle of the room
location would suggest the smoothest response with the least output capability. Of course, any location will
be a compromise between acoustic performance and the aesthetic blend of the subwoofer enclosure with
the decor and furnishings of your room. Don’t be afraid to experiment with the location of your subwoofer in
your room for the best results at your listening position. As with any other listening test, use program material
that you are familiar with that has substantial bass content.
CONTROL FUNCTIONS (FIGURE A)
1. Polarity Switch: This two position switch allows the best match of acoustic output between the subwoofer
and the main stereo speakers in the region of the crossover frequency between them. The “normal”
position maintains phase from input to output, the “reverse” position changes polarity or phase by 180
degrees.
2. Power Switch: This three position switch controls the power status of the subwoofer.
Off: Turns the unit off.
Auto: Places the unit in the standby mode, in this mode the subwoofer will automatically turn on when an
audio signal is applied to either the high or low level inputs.
On: Turns the unit on regardless of whether a signal is present or not.
3. Subwoofer Crossover : This rotary control adjusts a variable low pass lter to set the upper frequency at
which the output of the subwoofer begins to roll-off. Continuously variable from 60 Hz to 180 Hz, it matches
the upper frequency characteristics of the subwoofer to the low frequency response of the main stereo
speakers.
4. Speaker Level: These banana jacks provide a speaker level, stereo output of the full range signal input.
5. Line Input: These banana jacks accept a line level full range signal from the preamplier output of a
receiver or preamplier. This full range signal is processed and amplied to power the subwoofer.
6. Speaker Level Input: These terminals for speaker wire accept a stereo, speaker level, full range signal from
a receiver or power amplier. This signal is processed and amplied to power the subwoofer.
7. Fuse: For continued protection replace fuse with same type and size listed.
8. Level Control: This rotary control adjusts the level of the subwoofer and is used to balance its volume with
that of the main stereo speakers.
9. Status LED: This two color light emitting diode shows the status of the subwoofer electronics. “Red”
indicates that the amplier is plugged in and the power switch is either off or in standby mode with no input
signal present. “Green” indicates that the amplier is operating with signal present at the input from the
preamplier, receiver, or power amplier.
10. Main Power Switch: This switch controls the overall power status of the subwoofer. Must be in the on
position to operate.
11. Voltage Selector: Select for 115V or 230V operation.
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CONTROL FUNCTIONS (FIGURE A)
Caution:
To reduce the risk
of fire, replace with
only the same type
and rating fuse.
Fuse Type
T3AL / 250V
AC Voltage Selector
230V
115 V
On
Off
~115V - 230V 60Hz / 50Hz
150 Watts
In Out
L
High Level
Low Input
Auto
On Off
R
L
R
In Out
Phase
Power
Volume
Min Max 60Hz 180Hz
Crossover
0° 180°
Powered Subwoofer
WARNING: To reduce the risk of fire
or electrical shock, do not expose this
appliance to rain or moisture.
ATTENTION / CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
6
4
5 2
1
11
7
10
8
3
9
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WIRING AND CONNECTIONS
Note: Turn off all power to your subwoofer and other equipment before making any connections.
Installationusingspeakerlevelinputs
A)Foramplierswithonesetofspeakeroutputsusingthepassthroughinthesubwoofer.
If a preamplier output connection is not available on your amplier or receiver, your subwoofer can
be connected using your equipment’s speaker outputs. These connections are made using commonly
available 18 or 16 gauge speaker hook-up wire. Observe correct polarity by connecting red (+) to red (+)
and black (-) to black (-) for both left and right channels. Connect your amplier’s speaker output terminals
to the subwoofer’s speaker level input terminals. Additionally, the signal can internally pass through the
subwoofer to the secondary speakers using the speaker outputs on the subwoofer. See gure below.
Caution:
To reduce the risk
of fire, replace with
only the same type
and rating fuse.
Fuse Type
T3AL / 250V
AC Voltage Selector
230V
115 V
On
Off
~115V - 230V 60Hz / 50Hz
150 Watts
In Out
L
High Level
Low Input
Auto
On Off
R
L
R
In Out
Phase
Power
Volume
Min Max 60Hz 180Hz
Crossover
0° 180°
Powered Subwoofer
WARNING: To reduce the risk of fire
or electrical shock, do not expose this
appliance to rain or moisture.
ATTENTION / CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Amplier Outputs
Speaker
Speaker
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B)ForusewithA/Vpreampsandreceiversthathaveasubwooferlineleveloutput.
If your preamplier or receiver has a dual “subwoofer” output or “LFE” output, connect a shielded
RCA cable from the preamplier output to both the left and right low level inputs on the subwoofer. If
the amplier has a single “subwoofer” output or “LFE” output, connect a shielded RCA cable from the
preamplier output to either one of the subwoofer line level inputs. Refer to Figure E.
Caution:
To reduce the risk
of fire, replace with
only the same type
and rating fuse.
Fuse Type
T3AL / 250V
AC Voltage Selector
230V
115V
On
Off
~115V - 230V 60Hz / 50Hz
150 Watts
In Out
L
High Level
Low Input
Auto
On Off
R
L
R
In Out
Phase
Power
Volume
Min Max 60Hz 180Hz
Crossover
0° 180°
Powered Subwoofer
WARNING: To reduce the risk of fire
or electrical shock, do not expose this
appliance to rain or moisture.
ATTENTION / CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Caution:
To reduce the risk
of fire, replace with
only the same type
and rating fuse.
Fuse Type
T3AL / 250V
AC Voltage Selector
230V
115V
On
Off
~115V - 230V 60Hz / 50Hz
150 Watts
In Out
L
High Level
Low Input
Auto
On Off
R
L
R
In Out
Phase
Power
Volume
Min Max 60Hz 180Hz
Crossover
0° 180°
Powered Subwoofer
WARNING: To reduce the risk of fire
or electrical shock, do not expose this
appliance to rain or moisture.
ATTENTION / CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
Amp Output (Low Level)
Ampliers
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SET-UP AND ADJUSTMENT
After you have selected an initial location for your subwoofer and have connected it into your system, have a
seat in your normal listening position and have someone help you with the following adjustments:
A) If you are using the line level inputs and your main speakers are receiving a full range signal, set the
subwoofer crossover frequency control to its full counterclockwise position.
B) Set the polarity switch to the “normal” position and the level control to the full counterclockwise position
at “minimum”.
C) Turn Off the loudness control and set the bass tone control on your main amplier to the at position.
D) Use familiar program material that has substantial bass content and play your main system at a moderate
volume level.
E) Slowly rotate the subwoofer level control clockwise until a good balance is achieved between the low
frequency output of your subwoofer and the mid bass and upper frequencies from your main speakers.
F) Slowly rotate the subwoofer crossover frequency control clockwise to attain the best blend between the
level of the subwoofer and the main speakers in the midbass crossover region. Advancing the control
too far will cause a “boominess” in the overall sound and will add an unnatural “chesty” quality to male
voices
G) Change the polarity switch from “0°” to “180°” to determine which position results
in the most overall bass output. Leave the switch in the position that gives the highest
output level.
OPERATION
After you have connected your subwoofer, adjusted it for proper operation with the rest of your system, and
experimented to nd the best location for it, it’s time to sit back and enjoy it. As you do, here are some hints for
getting the most out of your subwoofer.
A) The subwoofer’s level control is designed to adjust the balance between your subwoofer and main
stereo speakers and should not be used as a substitute for the bass or loudness controls on your
amplier or receiver. If more bass is desired, advance the bass or loudness controls on your main
amplier or receiver.
B) Your subwoofer’s auto turn-On/turn-Off feature allows “set it and forget it” operation by keeping the
electronics in a standby mode until a signal is detected, which turns the amplier on instantly. When
there is no signal present after a few minutes, the electronics will again shut down to the standby
mode. We do suggest that you turn the subwoofer Off using its power switch if it is to be unused for
an extended period of time. For additional protection against damage from lightning, we recommend
unplugging the line cord.
C) The tone controls on your preamplier, receiver, or amplier should be used with caution and care.
Excessive boost in certain frequency ranges can cause heavy demands on amplier and loudspeaker
components resulting in overheating, distortion, mechanical overload, and premature failure.
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Problem
1) Subwoofer makes loud noise at turn-on.
2) Subwoofer has no output.
a) Status LED off
b) Red light on
c) Green light on
3) Subwoofer has little output.
4) Subwoofer output is distorted at high volume.
5) Subwoofer output is distorted at low volume.
6) Subwoofer makes hum or buzzing noises.
Diagnosis
A) Muting circuit is defective.
Return unit for repair.
A) Line cord is not plugged in.
B) Line fuse is blown. Unplug line cord from wall
outlet,then check fuse.
A) No signal is reaching the unit. Check
connections from receiver or preamplier.
B) Power switch is turned off. Place switch to
“auto” or “on” mode.
A) Signal is present, but level control is set
at minimum.
A) Level control is set too low.
B) If using high level inputs, right and left channels
are connected out of phase. Check wiring.
A) Signal from receiver, amplier, or preamplier
is distorted from being over driven. Reduce
main system volume or bass tone control.
B) Volume of subwoofer is too high causing
amplier to be over driven. Reduce setting of
input level control.
C) Subwoofer electronics are defective. Return
unit for repair.
A) Signal from receiver, amplier, or preamplier
is distorted from defective electronics.
B) Signal connecting wires to subwoofer are
shorted. Check wiring.
C) Subwoofer electronics are defective. Return
unit for repair.
A) Grounding problem or ground loop condition.
Check wiring.
B) Isolate problem by removing all connecting
cables and turning up subwoofer input level
control. If noise is still present, subwoofer
electronics are defective. Return unit for repair.
TROUBLESHOOTING
Your new subwoofer, once set-up and adjusted, should give you years of listening enjoyment with your
favorite movies and music. However, if you should experience a problem with your unit, the following chart
should help you locate the trouble:
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SPECIFICATIONS
TSW10 TSW12
AmplierType: Class A/B Class A/B
AmplierPower: 150 Watts 150 Watts
FrequencyResponse: 33-150Hz 30-150Hz
Inputs: Line level Line level
High level High level
Outputs: High level High level
Hi-PassSubsonicFilter: 24dB@24Hz 24dB@24Hz
PolaritySwitch: 0o/180o 0o/180
o
Driver: 10" 12"
Dimensions
Height: 15" 16.25"
Width: 14.05" 15.4"
Depth: 16.33" 17.05"
Weight
Unit: 31 lbs. 35 lbs.
Shipping: 36 lbs. 39 lbs.
CARE AND MAINTENANCE
Your speakers are designed to work with a wide range of electronic components. As little as 20 watts per
channel can provide enough power for most applications. If you have a large room or prefer louder listening
levels, more power may be required.
Caution: When choosing an amplier, do not exceed the power rating of the speaker. If you hear very high
levels of audible distortion you are exceeding the capabilities of the system. Damage can occur from
this distortion, turn the volume back down until the distortion disappears.
Use the following guidelines to maintain the appearance of your speakers. Use a soft, damp cloth to clean
the speaker cabinet. Avoid using harsh detergents or cleaning uids. Remove the grills to vacuum any of the
speaker components, permanent damage could occur.
TECHNICAL ASSISTANCE
For additional technical assistance you can visit our web site at www.mtx.com. Otherwise, our technical
service representatives can be reached by phone: 1-800-225-5689 or by E-mail: support@mtx.com.
FIVE YEAR LIMITED WARRANTY
MTX subwoofers purchased in the United States from an authorized MTX dealer are guaranteed
against defective material and workmanship for a period of FIVE YEARS from the date purchased
by the end user, and limited to the original retail purchaser of the product. Product found to be
defective during that period will be repaired or replaced by MTX at no charge. This warranty is void
if it is determined that unauthorized parties have attempted repairs or alterations of any nature.
Warranty does not extend to cosmetic or nish. Before presuming a defect is present in the product,
be certain that all related equipment and wiring is functioning properly. MTX disclaims any liability
for other incurred damages resulting from product defects. Any expenses incurred in the removal
and reinstallation of products are not covered by this warranty. MTX’s total liability will not exceed
the purchase price of the product. If a defect is present, your authorized MTX dealer may be able to
effect repairs.
Proof of purchase is required when requesting service, so please retain your sales receipt and take a
moment to register your warranty on line @www.mtx.com.
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© 2015 Mitek Corporation. All rights reserved. MTX is a trademark of Mitek Corporation. Designed and
Engineered in the U.S.A.
Due to continual product development, all specications are subject to change without notice.
MTX Audio, 4545 East Baseline Rd. Phoenix, AZ 85042 U.S.A.
MTX005200 RevA 6/15 • 21A10413 • AW0015116
MTX.COM
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