Destination Audio | SF10 | Specifications | Destination Audio SF10 Specifications

Destination Audio SF10 Specifications
SF10 / SF12
Installation & Operation Manual
Congratulations on your purchase of an Destination Audio powered subwoofer! Your
subwoofer is the result of many years of research and development dedicated to
producing powerful, accurate bass in home audio systems. This manual contains
operating procedures and specifications. We recommend you thoroughly read
through the material contained in this manual before connecting your subwoofer.
This will ensure you have an understanding of how to setup and operate your
subwoofer for optimum performance.
Important Safety Instructions
The lightning flash 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 my be of sufficient
magnitude to constitute a risk of 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.
When using your subwoofer, basic safety precautions should always be followed
to reduce the risk of fire, electric shock, and injury.
1. Read and understand all instructions in the users manual before operating
the powered subwoofer.
2. Retain this user 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. The powered subwoofer should be connected to a power supply compatible
with the power consumption requirements, see Specifications on page 6.
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 qualified, authorized technician.
SF10 and SF12 Powered Subwoofer
SF10 Subwoofer
SF12 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. The result of break-in
will be an increase in low frequency response, improved definition, and increased
clarity and detail.
Care and Cleaning
To maintain your subwoofer’s appearance, we recommend wiping it down with
a clean damp soft cloth. To clean dust from the grille cloth, use a vacuum with a
brush attachment.
A powered subwoofer is a must-have component for any home theater or audio
system. The performance of your subwoofer can greatly affect the overall performance of your system. Without a powered subwoofer, the deep bass on your
music CDs and special effects on DVDs may not be heard and/or felt. Think of a
subwoofer as a vital component that adds excitement to your theater or music experience. The powered subwoofer has its own source of amplification (as opposed
to passive, non-amplified subwoofers which require an additional power amplifier).
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. The driver material produces enhanced bass definition 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.
The powered subwoofer incorporates a class D amplifier with switching power
supply technology, resulting in higher power output, improved bass performance
and maximum energy efficiency.
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 fiberboard because of its inert
properties. The thickness of the front baffle 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 reflections from the floor, ceiling and side walls influence
the balance, imaging and overall sonic quality at the listening position. Experiment
with placement to determine which location offers the best overall sound. As a
general guide, use the room layout diagram and the following descriptions when
setting up a home theater system. The subwoofer and speakers shown in the
diagram may not always be applicable to your system.
Front Main Speakers
As a starting point, place your left and right tower speakers at least 15 inches from
the wall and 7-feet apart from each other. The 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
The center channel speaker should be placed in the center between both left and
right main speakers. Often this positioning dictates placing the speaker either
directly above or below a television monitor. The center channel speaker may be
placed in a horizontal (lying down) or vertical (standing) position.
Rear Surround Speakers
The 2-way bookshelf speakers may be placed either above, behind or to the sides
of the listening position. The 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.
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
reflections from the floor, ceiling and side walls influence the balance, imaging and
overall sonic quality at the listening position. Experiment with subwoofer placement
to determine which location offers the best overall sound.
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-amplifier
controls to achieve the proper bass balance.
Room Setup Suggestions (continued)
Subwoofer Amplifier Controls and Setup
being sent to the subwoofer be a non-boosted or “flat” 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 Off. In most cases a home theater receiver or processor will determine
the crossover frequency through bass management settings. In this configuration, connect
the receiver or processor to the Line Level Input. Your subwoofer will now reproduce the
bass frequencies the 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.
This section describes the functions and/or use for each of the amplifier controls located
on the back of the subwoofer. Refer to the diagrams on the pages 8 and 9.
1. Voltage Selector Switch: Before connecting the amplifier 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,
damage to the Subwoofer Amplifier may result.
2. Volume/Gain Control: The volume/level control should be at the minimum
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. The level control may be
adjusted while playing to match the subwoofer level with the rest of the
IMPORTANT! The volume control should be at the minimum setting (all
the way counter-clockwise) before plugging the subwoofer into an AC wall
3. Crossover Frequency Control: The variable crossover frequency control
allows you to set the low-pass crossover point of the subwoofer anywhere
40-150 Hz. If using this 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.
NOTE: Read the Important Notice regarding bass management above.
4. Auto Signal Tracking: The subwoofer amplifier uses “smart” signal
tracking circuitry. Once the power cord is plugged in and the switch set
Subwoofer Amplifier Controls and Setup (continued)
to auto, the amplifier automatically turns on when a signal is detected at
the preamplifier or high level inputs and turns off when no signal has been
detected for 15 minutes.
5. Phase Control: This control changes the phase of the subwoofer.
Changing the phase 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.
6. Line Inputs: Line level input should only be used if no subwoofer crossover is
being utilized through the receivers bass management.
7. LFE In: Line level input is used to connect to most receivers or processors.
The “LFE” output of receiver and may be called “subout”.
8. Fuse Access: This 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 Amplifier may result.
CAUTION! Before replacing the fuse, disconnect the power cord from the
power receptacle.
9. Power: Power on and off switch.
10.LFE Out: This RCA terminal is for “daisy chaining” to another subwoofer.
Subwoofer Amplifier Controls and Setup (continued)
SF10 Subwoofer Amplifier Diagram.
Subwoofer Amplifier Controls and Setup (continued)
SF12 Subwoofer Amplifier Diagram.
10” (254mm) Aluminum
Cone Subwoofer
12” (305mm) Aluminum
Cone Subwoofer
Amplifier Type:
Class D
Class D
110 and 220
110 and 220
Power Handling:
150 Watts
250 Watts
Crossover Frequencies: 40-150Hz (variable)
40-150Hz (variable)
Frequencies Response: 32Hz-150Hz (variable)
32Hz-150Hz (variable)
LFE Input:
Line Level Input:
Speaker Level Inputs:
Speaker Level Outputs: No
Phase Control:
Yes (0-180)
Yes (0-180)
Auto On/Off:
Medium Density Fiberboard
Medium Density Fiberboard
Black Cloth
Black Cloth
(includes feet and grille)
13” W x 15½” H x 16½” D
15¾” W x 17¼” H x 18” D
(330mm W x 394mm H x 419mm D) (400mm W x 438mm H x 457mm D)
33 lbs. (14.97 kg.)
42 lbs. (19.05 kg.)
5 Years/1 Year*
5 Years/1 Year*
* Warranty period: 5 years on the cabinet and woofers, and 1 year on the amplifier
Probable Cause:
No sound from
Amplifier is not connected to
constant power outlet.
Make certain the amplifier is plugged
into an unswitched A.C. power outlet.
Amplifier is not receiving an
audio signal from receiver or
Make certain there is an audio signal
from receiver or processor and audio
connections resemble those in the
connections section of this manual.
Amplifier fuse might be blown.
Replace fuse (if fuse is not readily accessible, consult your authorized dealer).
Performance is less
than expected
The + and - polarity of the subCheck the entire system for proper polarwoofer wire might be reversed on ity. Experiment with the phase switch.
the subwoofer.
Crossover frequency not adjusted Adjust crossover frequency by turning the
crossover frequency control clockwise
until desired sound is obtained.
L/R line level input is connected If bass management is enabled on
instead of the LFE line level input. receiver or processor make sure to use
the LFE line level input. (See amplifier
controls and setup on pages 6-9.)
Your Destination Audio powered subwoofer is covered by a limited warranty
against defects in materials and workmanship for a period of 5 (five) years on the
cabinet and woofers, and one (1) year on the amplifier from the original date of
purchase. This warranty is provided by the authorized Destination Audio dealer
where the subwoofer was purchased. Warranty repair will be performed only when
your purchase receipt is presented as proof of ownership and date of purchase.
Defective parts will be repaired or replaced without charge by your dealer’s store
or the location designated by your dealer that is authorized to service Destination
Audio products.
Charges for unauthorized service and transportation cost are not reimbursable
under this warranty. This warranty becomes void if the product has been damaged
by alteration, misuse or neglect. The warrantor assumes no liability for property
damage or any other incidental or consequential damage whatsoever which may
result from the failure of this product. Any and all warranties of merchantability and
fitness implied by law are limited to the duration of this express warranty. Some
states do not allow limitations on how long an implied warranty lasts, so the above
limitations may not apply to you. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion
may not apply to you.
382 Marshall Way, Layton, Utah • USA • 84041
Phone: (801) 660-2400 • Fax: (801) 543-3300
It is Destination Audio policy to continuously incorporate improvements into our products;
all specifications are subject to change without notice.
Copyright © 2011 Destination Audio. All Rights Reserved.
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