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POWER ED SUBWOOFE R
Model
E10s
POW ERED SU BWOOFER
OW N E R’ S M A N UA L
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Introduction
Congratulations on your purchase of an EMP Tek E10s powered subwoofer! Your
subwoofer is the result of many years of research and development dedicated to
producing powerful, accurate bass in home audio systems. is manual contains
operating procedures and specications. We recommend you thoroughly read through
the material contained in this manual before connecting your subwoofer. is will
ensure you have an understanding of how to setup and operate your subwoofer for
optimum performance.
Important Safety Instructions
e lightning ash with the arrowhead symbol within an equilateral triangle,
is intended to alert the user to the presence of un-insulated “dangerous voltage”
within the product enclosure that may be of sucient magnitude to constitute
a risk of shock to persons.
e 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.
When using your subwoofer, basic safety precautions should always be followed to
reduce the risk of re, electric shock, and injury.
1. Read and understand all instructions in this owner’s manual before operating
the powered subwoofer.
2. Retain this owner’s manual for future reference.
3. Follow all warnings and instructions in this manual and any marked on the back
of the powered subwoofer.
4. Never touch the woofers or push objects of any kind into the woofer.
5. e powered subwoofer should be connected to a power supply compatible with
the power consumption requirements, see Specications on page 10.
6. If mounting the powered subwoofer on a stand, the wall, or other device only do
so as recommended by an authorized technician.
7. Place the powered subwoofer a safe distance from all heat sources such as
radiators, stoves, or heaters.
8. Do not operate the powered subwoofer near water—for example, near a bathtub,
kitchen sink or in a wet basement; or a swimming pool.
9. Power supply cords should be routed so they are not likely to be walked on or
pinched by items placed upon or against them.
10. Any service or repair required on the powered subwoofer must be performed by
qualied, authorized technician.
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Powered Subwoofer
Break In Period
Allow several hours of listening time to adequately break-in the subwoofer. As the
subwoofer breaks-in, the driver suspensions will loosen. e result of break-in will
be an increase in low frequency response, improved denition, and increased clarity
and detail.
Care and Cleaning
To maintain your subwoofer’s appearance, we recommend wiping it down with
a clean damp so cloth. To clean dust from the grille cloth, use a vacuum with a
brush attachment.
Features
A powered subwoofer is a must-have component for any home theater or audio
system. e performance of your subwoofer can greatly aect the overall performance
of your system. Without a powered subwoofer, the deep bass on your music CDs and
special eects on DVDs may not be heard and/or felt. ink of a subwoofer as a vital
component that adds excitement to your theater or music experience. e powered
subwoofer has its own source of amplication (as opposed to passive, non-amplied
subwoofers which require an additional power amplier). Subwoofers can add
considerable low-frequency, deep bass performance to any home theater or audio
system.
At the heart of the powered subwoofer is an aluminum cone driver. e driver material
produces enhanced bass denition and accuracy. A powerful magnet, enhanced
suspension and heavy duty voice coil give the driver elevated performance allowing
high output capability and accurate dynamic reproduction.
e powered subwoofer incorporates a class D amplier with switching power
supply technology, resulting in higher power output, improved bass performance
and maximum energy eciency.
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Features (continued)
Variable crossover, adjustable phase control and auto on/off are also used for
convenience and easy integration with other speakers. Audio can be supplied to the
subwoofer by either interconnect (LFE/line level inputs).
Cabinets are constructed from medium density berboard because of its inert
properties. e thickness of the front bae also prevents excess acoustic radiation.
Sophisticated computer modeling and measurement techniques are used extensively
in the powered subwoofer design process.
Room Setup Suggestions
In order to obtain the best possible sound from your subwoofer and speaker system, it
is important to determine where the subwoofer and speakers will sound best in your
listening room. Room reections from the oor, ceiling and side walls inuence the
balance, imaging and overall sonic quality at the listening position. Experiment with
placement to determine which location oers the best overall sound. As a general
guide, use the room layout diagram and the following descriptions when setting up
a home theater system. e subwoofer and speakers shown in the diagram on page
5 may not always be applicable to your system.
Front Main Speakers
As a starting point, place your le and right tower speakers at least 15 inches from
the wall and 7 feet apart from each other. e distance from the listening position to
each speaker should be close to the distance that separates the two main speakers.
Angling the speakers inward towards the listening position may give a more spacious
and realistic sound stage.
Center Channel Speaker
e center channel speaker should be placed in the center between both le and right
main speakers. Oen this positioning dictates placing the speaker either directly
above or below a television monitor. e center channel speaker may be placed in a
horizontal (lying down) or vertical (standing) position.
Rear Surround Speakers
e 2-way bookshelf speakers may be placed either above, behind or to the sides
of the listening position. e listening position should be centered between the
surround speakers. For best performance you may want to experiment with angling
the surround speakers either towards or away from the listening position.
Subwoofer
In order to obtain the best possible sound from your subwoofer, it is important
to determine where the subwoofer will sound best in your listening room. Sound
reections from the oor, ceiling and side walls inuence the balance, imaging and
overall sonic quality at the listening position. Experiment with subwoofer placement
to determine which location oers the best overall sound.
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Room Setup Suggestions (continued)
Placement of the subwoofer will largely determine quality, quantity and extension of
the bass frequencies within your listening room. Bass frequencies are reinforced by
close room boundaries. Placing the subwoofer in a corner will make the subwoofer
sound louder and boost the very lowest frequencies.
Placing the subwoofer away from walls will provide the least reinforcement, making
the bass sound subjectively thinner than if the woofer were closer to a wall. Good
results can usually be obtained by placing a subwoofer along a wall 1-3 feet from a
corner. Experiment with placement of the subwoofer and the sub-amplier controls
to achieve the proper bass balance.
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Subwoofer Amplier Controls and Setup
IMPORTANT NOTICE REGARDING BASS MANAGEMENT: It is important the signal being
sent to the subwoofer be a non-boosted or “at” signal. To be sure of this, check the settings on
your receiver or processor to make sure any “bass boost”, “super bass” or “loudness” is set to O.
In most cases a home theater receiver or processor will determine the crossover frequency through
bass management settings. In this conguration, connect the receiver or processor to the LFE
input. Your subwoofer should now reproduce the bass frequencies t he way they were originally
recorded. Use the subwoofer level control and the individual bass management control within the
receiver or processor to adjust the subwoofers’ volume if necessary. Once set, the volume controls
should not need to be altered as the subwoofers’ volume will track with the master volume control
of your receiver or processor.
is section describes the functions and/or use for each of the amplier controls
located on the back of the subwoofer. Refer to the diagram on the next page.
1. Voltage Selector Switch: Before connecting the amplier to any power source make
sure the AC Voltage Selector is set to either 110V or 220V to match the power voltage in
your area.
WARNING! If the voltage setting does not match the AC power supplied,
2. Volume/Gain Control: e volume/level control should be at the minimum
IMPORTANT! e volume control should be at the minimum setting (all the
3. Crossover Frequency Control: e variable crossover frequency control
NOTE: Read the Important Notice regarding bass management above.
4. Auto Signal Tracking: e subwoofer amplier uses “smart” signal tracking
5. Phase Control: is control changes the phase of the subwoofer. Changing the phase
6. Line Inputs: Line level input should only be used if no subwoofer crossover is
damage to the Subwoofer Amplier may result.
setting (all the way counter-clockwise) before plugging the subwoofer into an
AC wall socket. Once plugged in, turn the level control up one quarter of a turn
(9 o’clock position) for an initial setting. e level control may be adjusted while
playing to match the subwoofer level with the rest of the system.
way counter-clockwise) before plugging the subwoofer into an AC wall socket.
allows you to set the low-pass crossover point of the subwoofer anywhere from
40-150 Hz. If using the Line Level input, experiment with setting the crossover
frequency control at highest setting initially. Increasing the crossover frequency
will allow more mid-bass output from the subwoofer. Decreasing the frequency
will allow only deeper bass from the subwoofer.
circuitry. Once the power cord is plugged in and the switch set to auto, the
amplier automatically turns on when a signal is detected at the preamplier
and turns o when no signal has been detected for 15 minutes.
will change the way the subwoofer and main speakers interact with each other at
the crossover frequency. Varying the phase position may result in more or less mid
bass depending on the phasing between the main speakers and the subwoofer.
being utilized through the receivers’ bass management.
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Subwoofer Amplier Controls and Setup (continued)
7. LFE In: Line level input is used to connect to most receivers or processors. e “LFE”
output of receiver and may be called “subout”.
8. Fuse Access: is is the power fuse access.
WARNING! In the event the fuse must be replaced, the replacement fuse must
match exactly the original fuse value. If the replacement fuse is not of the same
value, damage to the Subwoofer Amplier may result.
CAUTION! Before replacing the fuse, disconnect the power cord from the
power receptacle.
9. Power: Power on and o switch.
Subwoofer Amplier Diagram.
Troubleshooting
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Specications
Model
Driver:
Amplier Type:
Voltage :
Power Handling:
Crossover Frequency:
Frequency Response:
LFE Input:
Line Level Input:
Speaker Level Inputs:
Speaker Level Outputs:
Phase Control:
Cabinet/Color:
Grille:
Dimensions:
(includes feet and grille)
Weight:
Warranty:
* Warrant y period: 5 years on the cabinet and woofers, and 1 year on the amplier
E10s
10” (254mm) Aluminum Cone Subwoofer
Class D
110 and 220
150 Watts
40-150Hz (variable)
32Hz-150Hz (variable)
Yes
Yes
No
No
Yes (Auto On/O)
Medium Density Fiberboard (MDF)/Black
Black Cloth
13” W x 15½” H x 16½” D
(330mm W x 394mm H x 419mm D)
33 lbs. (14.97 kg.)
5 Years/1 Year*
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Situation:
No sound from
subwoofer(s)
Performance is less
than expected
Probable Cause:
Amplier is not connected
to constant power outlet.
Amplier is not receiving
an audio signal from
receiver or processor
Amplier fuse might be
blown.
e + and - polarity of the
subwoofer wire might be
reversed on the subwoofer.
Crossover frequency not
adjusted correctly.
L/R line level input is connected instead of the LFE
line level input.
Solution:
Make certain the amplier is
plugged into an unswitched A.C.
power outlet.
Make certain there is an audio
signal from receiver or processor
and audio connections resemble
those in the connections section of
this manual.
Replace fuse (if fuse is not readily
accessible, consult your authorized
dealer).
Check the entire system for proper
polarity. Experiment with the phase
switch.
Adjust crossover frequency by turning the crossover frequency control
clockwise until desired sound is
obtained.
If bass management is enabled on
receiver or processor make sure to
use the LFE line level input. (See
amplier controls and setup on the
previous page.)
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Warranty
Engineered Music Products “EMP Tek” warrants the E10s Powered Subwoofer (the
"Product") to be free from original manufacturing defects in materials and workmanship for ve (5) years on the cabinet and woofers, and one (1) year on the amplier
from the original date of purchase from an authorized EMP Tek dealer. is warranty
extends only to the original consumer purchaser. EMP Tek does not warrant goods
used in industrial applications. is warranty does not cover any expenses incurred
in any removal or re-installation of the product.
If the product should prove defective within the warranty period, contact EMP Tek
for a return authorization number prior to returning the product. Once the return
authorization number has been obtained ship the product back to EMP Tek, along with
the original sales invoice or other proof of purchase, which establishes eligibility for
warranty service and the return authorization number clearly marked of the outside
of the package, see www.emptek.com for detailed information on returns. EMP Tek
will, at its option, replace or repair the product free of charge and return the product
by prepaid delivery. is warranty does not apply to any product which has been
damaged, misused, altered, neglected or repaired by anyone other than an EMP Tek
authorized service facility.
Any implied warranties including tness for use and merchantability are limited in
duration to the period of the express warranties set forth above, and no person is
authorized to assume for EMP Tek any other liability in connection with the sale of
the product. EMP Tek expressly disclaims liability for any incidental and consequential
damages caused by the product or the result of failure of this product. e remedies
provided under this warranty are exclusive and in lieu of all others.
is warranty gives specic legal rights. In addition, there may be other legal rights
arising from the sale of the product, which vary from state to state. Some states do not
allow the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply in some areas.
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382 Marshall Way, Layton, Utah • USA • 84041
Phone: (801) 991-1308 • Fax: (801) 543-3300
www.emptek.com
It is EMP Tek policy to cont inuously incorp orate improvements into products; a ll specications are subjec t to change without not ice.
Copyr ight © 2012 EMP Tek, LLC. All Ri ghts Reserved . 10292012
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