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Introduction
UNPACKING AND INSTALLATION
READ THIS BEFORE OPERATING YOUR UNIT
Congratulations on Your Purchase!
FOR U.S.A. AND CANADA·······················120V
Your new speaker-system is designed to deliver
maximum enjoyment and years of trouble free service.
Please take a few moments to read this manual
thoroughly. It will explain the features and operation of
your unit and help ensure a trouble free installation.
Please unpack your unit carefully. We recommend
that you save the carton and packing material. they
will be helpful if you ever need to move your unit and
may be required if you ever need to return it for
service. Your unit is designed to be placed in an
upright position and it is important to allow at least four
inches of space behind your unit for adequate
ventilation and cabling convenience.
FOR YOUR SAFETY
Units shipped to the U.S.A. and Canada are
designed for operation in 120V AC only.
Observe all, safety precaution with use of a
polarized AC plug.
However, some products may be supplied with a
nonpolarized plug.
CAUTION : To prevent electric shock, match wide
blade of plug to wide slot, fully insert.
To avoid interference with the TV picture, place this
unit apart from the TV set.
ATTENTION : Pour eviter les choc electriques,
introduire la lame la plug large de la borne
correspondante de la prise et poussre jusqu’au
fond.
To avoid damage, never place the unit near radiators,
in front of heating vents, in direct sunlight, or in
excessively humid or dusty locations. Connect your
complementary components as illustrated in the
following section.
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.
This symbol in 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.
This symbol in intended to alert the user
to the presence of important operating
and maintenance(servicing) instructions in
the literature accompanying the appliance.
WARNING
To reduce the risk of fire or electric shock, do not
expose this appliance to rain or moisture.
Caution:Do not block ventilation openings and fan.
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Rear Panel Controls
ASW-4108
① POWER/VOLUME KNOB
② Low level Input
Please connect low level input to
Subwoofer input of receiver or amplifer.
· Turn this knob to turn the power on, then
this unit enters the operating mode. The
color of LED turns green.
· To turn the power off, press this switch
again, then the power is cut off and this
unit enters the power off mode.
③ Control of Phase
According to phase, contol it from 0 to 180.
If it does not match, low sound range
would be decreased.
VOLUME CONTROL
Use this knob to adjust the volume level of
the subwoofer
④ AC INPUT CORD
AC 120V/60Hz. Please check the voltage
of yours. Plug this cord into a wall AC outlet.
·
Increasing the volume level of the
subwoofer excessively may impair the
sound quality or damage the unit.
For safe operation, set this knob to
center position in general use.
ST-4108F/R
ST-4108C
<BACK VIEW>
<BACK VIEW>
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System Connections
· This ST-4108 is designed to use together with
Sherwood’s products.(amplifier/DVD receiver/etc)
Doing so will allow you to operate easily and
conveniently.
In case of connecting other amplifier or receiver to
this unit, contact your dealer or our service
organization.
· Never short circuit the + and - speaker cords.
· Be sure to connect speakers firmly and correctly
according to the channel (left and right) and the
polarity (+ and -).
· Be sure to use the main speakers with the
impedance of over 6Ω .
· When this unit is placed next to the record player,
etc., the howling noise may be heard. In this case,
place this unit apart from the record player, etc.
· For proper connections, refer to the operating
instructions of the component connected.
Notes :
· Because the low frequencies produced by this
subwoofer are non-directional, the placement of this
unit is not critical,. Place this unit by a wall or corner
of the room, etc. as desired.
· Do not connect this unit to the wall AC outlet when
plugging and unplugging connection cords.
· Be sure to connect the RCA cord to Audio Input jack
of active subwoofer when making connections.
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Troubleshooting Guide
If this unit does not perform as expected, consult the table below to see if the problem can be corrected before
seeking help from your dealer or our service organization.
PROBLEM
POSSIBLE CAUSE
REMEDY
No Power
· The AC input cord is disconnected.
· The POWER switch on the rear panel is
not pressed.
· Connect the cord securely.
· Turn the POWER knob to ON.
· Incorrect connection between the
components.
· Make connections correctly.
· Operate the component correctly.
No sound
· Incorrect operation of the component
connected.
· The unit runs at excessively high volume · Decrease the volume level.
level.
Distorted sound
· Set the PHASE switch correctly.
· The PHASE switch is set to the opposite
position.
Less bass and poor
imaging
Specifications
■ ASW-4108
• Frequency Response
• Power, Impedence 4
• Sound Pressure Level
• Power Supply
45~300Hz
75 W
80dB/W/m
120V/60Hz
75W
• Power Consumption
■ ST-4108F/R
• RMS Power
• Max Power
35W
70W
• Impedence
6
• Power Pressure Level
86dB/W/m
■ ST-4108C
• RMS Power
• Max Power
35W
70W
• Impedence
6
• Power Pressure Level
86dB/W/m
※ Note : Specifications are subject to change without notice.
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