ii EnEnglishADVANCED YAMAHA ACTIVE SERVOTECHNOLOGY II..........................................................1Twisted Flare Port ...........................................................1FEATURES......................................................................2SUPPLIED ACCESSORY..............................................2PLACEMENT .................................................................2Subwoofer orientation.................................................2CONTROLS AND THEIR FUNCTIONS .....................3CONNECTIONS .............................................................5Connecting to line output (pin jack) terminal(s)of the amplifier.......................................................5Connecting to speaker output terminalsof the amplifier.......................................................7Connecting to the INPUT1/OUTPUT terminals of thesubwoofer ....................................................................9System connections...................................................10Plugging the subwoofer into an AC outlet ......................10AUTOMATIC POWER-SWITCHING FUNCTION .........10Setting the AUTO STANDBY switch ......................10ADJUSTING THE BALANCE....................................11Subwoofer frequency characteristics ........................13TROUBLESHOOTING................................................14SPECIFICATIONS .......................................................15WARNINGTO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DONOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.This unit is not disconnected from the AC power source aslong as it is connected to the wall outlet, even if this unititself is turned off. In this state, this unit is designed toconsume a very small quantity of power.Taking care of the speakerTo maintain the spotless glossy surface of the polishedfinish, wipe it with a soft, dry cloth. To avoid damage to thefinish, do not apply chemical solvents, such as alcohol,benzine, thinner, insecticide, etc. Also, do not use a dampcloth, or any type of cloth that contains chemical solvents,or place a plastic or vinyl sheet on top of the speaker.Otherwise, the finish may peel, the color may fade, or thesheet may stick to the surface.CONTENTS12