Sherwood Speaker System ASW 4108 User Manual

 
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 jusquau  
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 voltagewithin the products  
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.  
3
 
Rear Panel Controls  
ASW-4108  
POWER/VOLUME KNOB  
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.  
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  
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>  
4
 
System Connections  
· This ST-4108 is designed to use together with  
Sherwoods 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 6.  
· 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.  
5
 
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.  
6
 

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