TROUBLESHOOTINGIf you are using the Speaker In connections and thereis no sound from any of the speakers, check thefollowing:• Receiver/amplifier is on and a source is playing.• The subwoofer is plugged in to an active AC outlet and turned on.• Check all wires and connections between receiver/amplifier andspeakers. Make sure all wires are connected. Make sure none ofthe speaker wires are frayed, cut or punctured.• Review proper operation of your receiver/amplifier.If there is low bass output, check the following:• Make sure the connections to left and right Speaker In have thecorrect polarity (+and –).• Make sure that the subwoofer is plugged into an active AC outletand turned on.• Select the phase switch setting which provides maximum bassoutput at the listening position.• Adjust the crossover point.• Adjust the Contour control.• Turn up the bass with the Level control.If you used the Line In connections and there is nosound from the subwoofer, check the following:• Receiver/amplifier is on and a source is playing.• The subwoofer is plugged in and turned on.• Check all wires and connections between receiver/amplifier andsubwoofer. Make sure all wires are connected. Make sure none ofthe wires are frayed, cut or punctured.• Review proper operation of your receiver/amplifier.If you hear high levels of midrange frequencies fromthe subwoofer in addition to bass, check the following:• Make certain that Filter Defeat is not pressed.• Try a lower crossover frequency using the Filter control.TECHNICAL SPECIFICATIONSTiK SubAmplifier Power (RMS): 600 WattsDriver: 15" Kevlar/Kapoc impregnated cellulose pulp coneInputs: Line Level, Speaker Level and DSP DirectOutputs: Line Level and Speaker LevelLow Pass Frequency: 30 kHz – 150 Hz, 24 dB/octave, continuouslyvariableDimensions (HxWxD): 570 x 440* x 550 cmWeight: 61 kg.* The front panel is 440 mm wide. The rear panel is 330 mm wide.Declaration of ConformityWe, JBL Europe A/SKongevejen 194BDK-3460 BirkerødDENMARKdeclare in own responsibility, that the products describedin this owner's manual are in compliance with technicalstandards:EN 55 013/6.1990EN 55 020/6.1988EN 55 022/6.1993EN 60 065/1994EN 60 555-2-3/1987/88Steen MichaelsenJBL Europe A/SBirkerød. DENMARK. 1/97EN 55013/A12: 1994EN 55020: 1994EN 61000-3-2: 1995We, Harman Consumer International2, Route de Tours72500 Château-du-LoirFRANCESteen MichaelsenJBL Europe A/SHarman Consumer InternationalFrance 11/00ENGLISH