IMPORTANT!Please record the serial number of thisunit in the space below.Model:Serial No.:The serial number is located on the rearof the unit.Retain t
10FREQUENCY CHARACTERISTICSAdjustment of the VOLUME control, the HIGH CUT control and the PHASE switch should be changed according to the mainspeakers
11ACTIVE SERVO TECHNOLOGYThe theory of Active Servo Technology is based upon twomajor factors, the Helmholtz resonator and negative-impedance drive.
SYMPTOMPower is not supplied even though thePOWER switch is ON.No sound .Sound level is too low.CAUSEThe power plug is not securely connected.The VOLU
21 Read Instructions – All the safety and operatinginstructions should be read before the unit is operated.2 Retain Instructions – The safety and ope
3FCC INFORMATION (for US customers only)YAMAHA and the Electronic Industries Association’sConsumer Electronics Group want you to get the most out ofyo
4•This subwoofer system employs YAMAHA Active ServoTechnology which YAMAHA developed for reproducinghigher quality super-bass sound. (Refer to page 1
To AC outletThis unitOUTPUTINPUT1TO SPEAKERSFROM AMPLIFIERINPUT2 PHASEON OFFAUTOPOWERNOM REVOUTPUT INPUT2 PHASETO SPEAKERSINPUT1FROM AMPLIFIERON OFFAU
6If your amplifier has two sets of speaker terminalsFor connections, cut the speaker wires as short as possible. Ifthe connections are faulty, no sou
7CONNECTING TO LINE OUTPUT (PIN JACK) TERMINALS OF THE AMPLIFIER• Leave the main speakers connected to the amplifier.• Amplifier line output terminals
8Front panelRear panel1 POWER indicatorLights up when the POWER switch is turned ON, andgoes off when turned OFF.*<For U.K. and Europe models only&
91 Set the VOLUME control to minimum.2 Turn on the power supply to all the components.3 Play any source and adjust the amplifier’s volume controlto th
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