IMPORTANT SAFETY INSTRUCTIONS 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. • Explanation of graphic symbols: The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert you to the presence of uninsulated “dangerous voltage”...
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Yamaha Electronics Corp., U.S.A.; 6660 Orangethorpe Ave; Buena Park, CA 90620. The above statements apply ONLY to those products distributed by Yamaha Corporation of America or its subsidiaries. SPECIAL INSTRUCTIONS FOR U.K. MODEL IMPORTANT: THE WIRES IN MAINS LEAD ARE COLOURED IN...
• Be sure to read the “TROUBLESHOOTING” section regarding common operating errors before concluding that the unit is faulty. • Secure placement or installation is the owner’s responsibility. YAMAHA shall not be liable for any accident caused by improper placement or installation of the subwoofer. WARNING...
Positioning the subwoofer Although the placement of the subwoofer is not as critical as that of the other speakers, it is best to place the subwoofer outside either the right or left front speaker as shown in figure A. A (Recommended) : Subwoofer : Front speaker The placement shown in Figure B is also accept-...
Connections Caution: Plug the power cables for the sub- woofer and other audio/video components into an AC outlet only after you complete all other connections. Basic connection example Connect a subwoofer cable to the output jack of your AV amplifier and to the INPUT jack of the subwoofer.
Using the subwoofer Rear panel INPUT VOLUME POWER 1Power indicator Lights up GREEN when the POWER switch (2) is turned ON; turns off when the POWER switch is turned OFF. 2POWER switch Press this switch to the ON position to turn on the power to the subwoofer.
Advanced Yamaha Active Servo Technology The theory behind Yamaha Active Servo Technol- ogy is based on two factors: the Helmholtz resona- tor and negative-impedance drive. Active Servo Processing speakers reproduce the bass frequen- cies through an “air woofer,” which is a port or opening in the speaker’s cabinet.
Refer to the chart below if the unit does not function properly. If the problem you are experiencing is not listed, or if the instructions fail to help you resolve the problem, disconnect the power cord and contact your authorized Yamaha dealer or service center. Problem Power is not supplied even though the POWER switch is set to the ON position.