Owner’s Manual
Compact Powered Subwoofer
SW 300
Note: If any part of this product is damaged or missing contact your AudioSource dealer or call us directly at 800-435-7115.
Congratulations on your purchase. We trust that you will enjoy the value and quality of your AudioSource SW 300 Compact Powered
Subwoofer. Please take a few moments to read this manual before you get started. Also, be sure to retain this document should you need to
refer to it in the future.
ABOUT SUBWOOFERS
Subwoofers are designed to extend the bass response of your system beyond the limitations of most speakers. They are used in con-
junction with, not in place of, your existing left and right speakers. A subwoofer can dramatically enhance a stereo TV, a stereo system,
or a full fledged home theater.
FEATURES OF THE SW 300
The AudioSource SW 300 features a highly efficient ported enclosure, a rugged 6.5-inch reinforced driver and a fifty-watt amplifier with
a passive low frequency crossover network. Line level inputs and speaker inputs and outputs are provided for fast and easy connection
to virtually any system.
USING THE CONTROLS
Power
The power switch has two positions: off and on. When the power LED is lit, the power is on.
Level
The level control adjusts the volume of the SW 300. Once set, the level control should not require
further adjustment. Begin with the level control at the minimum position. Slowly increase the level
until you can hear the subwoofer. A subwoofer playing too loud can give your system a muddy
sound, so be sure to balance the subwoofer carefully with your other speakers.
Note: Output level is relative and can be different from location to location. Always return to the nor-
mal listening location to evaluate any setting changes.
PLACEMENT GUIDELINES
Prior to installing your new subwoofer, please consider the following guidelines. Placing the sub-
woofer near a wall or in a corner will greatly increase its bass response. As frequencies reproduced
by subwoofers are long and need room to propagate, a subwoofer placed near the listening posi-
tion will not sound as full as one placed farther away. Please be careful about placing anything
directly on top of your subwoofer, as the vibrations of the speaker cabinet could cause these items
to shake loose or fall.
CONNECTING THE SW 300
The following diagrams show three of the most common types of subwoofer connections. If you have a choice of connection options,
remember that it may be easier to run long distances with RCA-type connectors than with speaker wire. Also, use only the AC adapter
provided with this unit.
Speaker/Hi Level Inputs and Outputs
The inputs are designed to accept an amplified signal from the speaker outputs of a receiver, power amp, television or other device not
equipped with line level outputs. The speaker outputs are meant to connect to the inputs of your main left and right speakers. These
are only used when the speaker inputs of the SW 300 are utilized.
Line In
The RCA-type jacks of your SW 300 are designed to accept a line level signal from a receiver, pre-amp, surround sound decoder, television
or similar device. When using a single line level output from another unit, a Y connector should be used to send the signal to both the left
and right inputs.
Please note that only one of these connection options should be used at any one time.
FUSE
9300 North Decatur
Portland, Or. 97203
Tel. 503.286.9300
Fax 503.978.3302
[email protected] Printed in China
www.audiosource.net © 1999 AudioSource, Inc.
Amplifier Power Output . . . . . . . . . . . . . . .50 Watts
Frequency Response . . . . . . . . . . . .38 Hz to 150 Hz
Driver . . . . . . . . . . . . . . . . . . . . . . . .6.5" Reinforced
Functions . . . . . . . . . . . . . . . . . . . . .Power (On, Off)
Inputs . . . . . . . . . . . .Hi Level (Speaker), Line (RCA)
Output . . . . . . . . . . . . . . . . . . . . .Hi Level (Speaker)
Dimensions . . . . . . .13.75" H x 8.125" W x 8.125" D
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 lbs.
Designs and specifications are subject to change without notice.
SW 300 Specifications
Hi Level Connections
In this example, the receiver has no subwoofer output. The SW
300 is connected between the front speakers and the receiver via
the speaker inputs and outputs.
SW 300
AC Adapter
–
+
RIGHT
LEFT
CD
INPUT
TUNER
INPUT
PHONO
INPUT
TAPE LOOP
LEFT
RIGHT
PREAMP
OUTPUT
-
+
Right Speaker
Receiver
-
+
Left Speaker
SW 300
FUSE
Dedicated Subwoofer Connections
Many surround sound decoders, home theater processors and
audio/video receivers are equipped with a dedicated subwoofer
line output. Connect this line output to the line inputs of the
SW 300. A Y connector may be necessary to feed this single
output to both the left and the right line inputs.
Television Enhancement
Many newer television sets are equipped with variable stereo outputs. The signal available
at these outputs varies with the television volume. In this situation, these variable audio
outputs can be connected directly to the SW 300 line inputs to enhance the bass response
of the television's built-in speakers.
OUTPUT
VARIABLE
OUTPUT
FIXED INPUT
VIDEO
LEFT
RIGHT
Television
SW 300
AC Adapter
SW 300
FUSE
This manual provides detailed instructions for setting up your equipment. We also offer friendly, toll-free assistance.
1.800.HELP.115
CD
INPUT
TUNER
INPUT
PHONO
INPUT
TAPE LOOP
LEFT
RIGHT
SUB
OUT
PREAMP
OUTPUT
POWER AMP
INPUT
–
+
RIGHT
LEFT
Receiver
-
+
Right Speaker
-
+
Left Speaker
SW 300
AC Adapter
SW 300
FUSE
Read Instructions
All the safety and operating instructions should be read before the appliance is
operated.
Retain Instructions
The safety and operating instructions should be adhered to.
Heed Warnings
All warnings on the appliance and in the operating instructions should be
adhered to.
Follow Instructions
All operating and use instructions should be followed.
Water and Moisture
The appliance should not be used near water. For example, near a bathtub,
washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming
pool, etc.
Ventilation
The appliance should be situated so that its location or position does not
interfere with its proper ventilation. For example, the appliance should not be
situated on a bed, sofa, rug, or similar surface that may block the ventilation
openings; or, placed in a built-in situation, such as a bookcase or cabinet that
may impede the flow of air through the ventilation openings.
Heat
The appliance should be situated away from heat sources such as radiators, heat
registers, stoves, or other appliances (including amplifiers) that produce heat.
Power Sources
The appliance should be connected to a power supply only of the type
described in the operating instructions or as marked on the appliance.
Grounding or Polarization
Precautions should be taken so that the grounding or polarization means of
an appliance is not defeated.
Power Cord Protection
Power supply cords should be routed so that they are not likely to be walked
on or pinched by items placed on or against them, paying particular attention
to cords at plugs, convenience receptacles, and the point where they exit from
the appliance.
Cleaning
The unit should be cleaned only as recommended by the manufacturer.
Power Lines
An outdoor antenna should be located away from power lines.
Non-Use Periods
The power cord of the appliance should be unplugged from the outlet when left
unused for a long period of time.
Object and Liquid Entry
Care should be taken so that objects do not fall and liquids are not spilled into
the enclosure through openings.
Damage Requiring Service
The appliance should be serviced by qualified service personnel when:
a) The power supply cord or the plug has been damaged;
b) Objects have fallen, or liquid has been spilled into the appliance;
c) The appliance has been exposed to rain;
d) The appliance does not appear to operate normally or exhibits a marked
change in performance; or
e) The appliance has been dropped, or the enclosure damaged.
Servicing
The user should not attempt to service the appliance beyond that described in
the operating instructions. All other servicing should be referred to qualified
service personnel.
Product Servicing
In the event your SW 300 fails to operated properly, please contact the dealer
where you purchased the unit. Or you may contact AudioSource
directly for further assistance.
Safety Instructions
Warning: To reduce the risk of fire or electric shock, do not expose this appliance to rain or moisture.
Caution: To reduce the risk of electric shock, do not remove cover (or back); no user serviceable parts inside. Refer servicing to qualified service personnel.
Caution: To prevent electric shock, match wide blade of plug to wide slot, fully insert.
Attention: Pour eviter les chocs electriques, introduire la lame la plus large de la fiche dans la borne correspondante de la prise et pousser jusqu'au fond.
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 electrical 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 appliance.
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
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