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IMPORTANT!
Please record the serial number of this
unit in the space below.
Model:
Serial No.:
The serial number is located on the rear
of the unit.
Retain this Owner’s Manual in a safe
place for future reference.
WARNING
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE
THIS UNIT TO RAIN OR MOISTURE.
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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.
The lightning flash with arrowhead
symbol, within an equilateral triangle,
is intended to alert you 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.
The exclamation point within an
equilateral triangle is intended to alert
you to the presence of important
operating and maintenance
(servicing) instructions in the
literature accompanying the
appliance.
•
Explanation of Graphical Symbols
CAUTION
Active Servo Processing Subwoofer System
Built-in 70W Power Amplifier (YST-SW120)
Built-in 50W Power Amplifier (YST-SW60)
2 Way Selectability for Connections
High Frequency Cut-off Point (HIGH CUT) Control
PHASE Switch
OWNER’S MANUAL
CONTENTS
Safety Instructions ...................2
Features...................................4
Placement................................4
Connections.............................5
Controls and Their Functions
.......8
Adjusting Volume .....................9
Active Servo Technology ........11
Troubleshooting ......................12
Specifications .........................12
YS T-SW120/60
Thank you for selecting this YAMAHA Subwoofer System.
Active Servo
Technology