Yamaha DXS18 Owner's Manual

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1IntroductionThank you for purchasing the Yamaha DXS18 Powered Subwoofer. Please read this manual thoroughly toensure optimum long-term use of your DXS18.Keep the manual in a safe place for future reference.• Please read the PRECAUTIONS on the reverse side of this manual before use.• The illustrations as shown in this manual are for instructional purposes only.• The company names and product names used in this manual are the trademarks or registered trade-marks of their respective companies.Included accessories and optional accessoriesFeatures 1,020 W power and 136 dB max. SPL and LF extension down to 32 HzPowered by a 1,020 W amplifier with an 18" woofer with a 4" voice coil and housed in a sturdy band-pass type enclosure, the DXS18 is able to realize 136 dB maximum SPL, and an extended LF down to 32Hz with exceptional clarity and minimal distortion. Flexible features• D-XSUB: D-XSUB is a DSP technology that gives users additional dynamic control of the frequencyrange to meet the demands of a variety of applications or musical styles.• Selectable X-OVER (80/100/120 Hz): Selecting the cut-off frequency and LPF/HPF settings offersusers more flexibility to adapt to various applications.• Cardioid mode: The Cardioid mode setting adds additional control of low frequencies for sub-wooferarrays of two or more DXS18 speakers, effectively reducing the SPL of bass directed towards the stagewhile increasing the bass levels directed towards the audience. ReliabilityThe DXS18 features advanced protection circuits in the speaker unit, amplifier unit, and power supplythat ensure optimum reliability and extended equipment life. DurabilityThe DXS18’s sturdy plywood cabinet is covered with an extremely durable LINE-X finish that providesadded protection from outside elements and duress. Fast and easy setupM20 and Ø35 dual pole sockets allow for more flexible set up, while optional casters are also availablefor improved portability. Included accessories• AC power cord• Owner’s manual (this leaflet)• Technical Specifications Optional accessories• Speaker cover (SPCVR-18S01)• Wheels (SPW-1; 4 pieces)ENZR38060Owner’s ManualInput the output signal from a source, such as a mixer, to the INPUT jack of the DXS18, and input the out-put signal from the OUTPUT jack of the DXS18 to the input jack of a full-range speaker.• X-OVER switch (!2)It is recommended that you match the crossover frequency (the cutoff frequency of the low pass filter)of the DXS18 and the cutoff frequency of the high pass filter of the full-range speaker. The same fre-quency range output from the DXS18 and the full-range speaker may cause interference with each otherand degrade the frequency characteristics.• THROUGH/HPF POST switch (o)If the full-range speaker is properly equipped with a high pass filter, you should set this to[THROUGH]. The [THROUGH] setting enables you to control the level independently and minimizesignal delay. If the full-range speaker is not equipped with a high pass filter or the high pass filter in thefull-range speaker cannot be set to the same cutoff frequency as that of the low pass filter of the DXS18,set this to [HPF POST] to use the high pass filter in the DXS18.The pole sockets of the DXS18 are compatible with commercially available speaker poles of 35 mm diame-ter and M20 screws.Installing optional wheels SPW-1 at the back of the DXS18 enables you to transport the unit easily. Toinstall the wheels, use the screws installed in the DXS18 unit, after removing them from the unit.Please do not use the speaker once the screws are removed. This causes air leaks to occur in enclosure,resulting in undesirable performance.* If any specific problem should persist, please contact your Yamaha dealer.* The contents of this manual apply to the latest specifications as of the printing date. Since Yamaha makes continuousimprovements to the product, this manual may not apply to the specifications of your particular product. To obtain the latestmanual, access the Yamaha website then download the manual file. Since specifications, equipment or separately soldaccessories may not be the same in every locale, please check with your Yamaha dealer.Basic SetupCAUTIONIf multiple powered speakers are connected in daisy-chain fashion, turn each device on insequence starting from the one nearest to the sound source, and turn them off starting from theone farthest from the sound source.Combination of monaural DXS18 and stereo full-range speakersCombination of stereo DXS18 and stereo full-range speakersNOTEThe L and R jacks are interchangeable; there is no difference in behavior between them.Full-rangespeaker Combination and setting examplesUsing the high pass filter in theconnected full-range speakerUsing the high pass filter inthe DXS18Full-rangespeakerDXS18o !2 o !2FrommixerFrom mixerFull-range speaker Full-range speakerMixerTo full-range speakerDXS18Full-range speaker Full-range speakerMixerDXS18 DXS18From mixerTo full-range speakerInstalling a Speaker PoleInstalling WheelsCAUTION• For details on installing the wheels or special precautions you should take, please refer to therelevant manual for the wheels.• Do not install wheels other than the SPW-1.TroubleshootingSymptom Possible causes Possible solutionPower does not turn on. The power cord is not con-nected properly. Connect the power cord properly.Power suddenly turnedoff.The protection system hasbeen activated, shuttingdown the power supply.Turn off the power, wait until the amplifier cools down,and then turn on again.No sound. The cable is not con-nected properly. Connect the cable to the INPUT jack properly.Sound is interruptedsuddenly.The protection circuit hasbeen activated, muting theoutput.Wait until the amplifier cools down. If the unit doesn’tautomatically reset itself, turn off the power, and thenon again.Sound howls (feed-back).A microphone is directedtoward the speaker.Keep the speaker away from the area where themicrophone picks up the sound.The sound from eachspeaker differs (if multi-ple speakers are used.)The settings for eachspeaker differ.Set each switch of each speaker to the same posi-tion.Sound is distorted.Input volume is excessive. Lower the volume of the input device so that thePEAK indicator lights only occasionally.Output volume is exces-sive.Lower the output level with the LEVEL control so thatthe LIMIT indicator lights only occasionally.General SpecificationsGeneral Specifications DXS18System Type Powered subwoofer, band-pass typeFrequency Range (-10 dB) 32 Hz–120 HzMeasured Maximum SPL (Peak) Pink Noise @1m 136 dB SPLPowerAmplifierPower Rating Dynamic 1,020 WContinuous 800 WPower Consumption (1/8 output power) 100 WComponents LF 18" cone, 4" voice coilDimensions (W × H × D; including rubber feet) 563 × 683 × 721 mmWeight 49.7 kgHandles Steel, side × 2Pole Sockets (top surface) Ø35 mm (depth: 80 mm), M20 (threaded depth: 25 mm)Connectors Input XLR3-31 × 2Output XLR3-32 × 2 (THROUGH or HPF POST)Input Sensitivity (LEVEL: center) +10 dBuMaximum Input Level +24 dBuM20 screwØ35q Pole socketsAdapts to commercially available speaker poles of 35 mm diameter andM20 screws. For detail on installing speaker poles, refer to “Installing aSpeaker Pole.”w Feet cupsWhen stacking multiple DXS18 units, align the rubber feet of the upperDXS18 unit to the feet cups of the lower.e Front LEDTurns on when the power is on. Lights more brightly when the outputlimiter is active. Using FRONT LED DISABLE switch (!9) enablesyou keep the LED always off.r Wheel mounting holesOptional SPW-1 wheels can be installed to the holes. For details oninstalling the wheels or special precautions you should take, pleaserefer to the relevant manual for the wheels.t AC IN socketConnect the supplied AC power cord here. First, connect the powercord to the DXS18, then insert the power cord plug into the AC outlet.y Power switchTurns the power to the unit on ( ) or off ( ).If you are using multiple units, turn on the power to each unit one byone. If you turn on the power to multiple units simultaneously, a tempo-rary drop in the power voltage may occur, possibly resulting in abnor-mal operation of the units.Also, rapidly turning the unit on and off in succession can cause it tomalfunction. After turning the unit off, wait for about 5 seconds beforeturning it on again.u INPUT jacksThese are balanced input XLR jacks (line-level), and this device out-puts the mixed signals of L and R.i OUTPUT jacksThese are balanced output XLR jacks for connecting full-range speak-ers or additional DXS18 units. The output signal can be switched viathe THROUGH/HPF POST switch (o).L/R output from the OUTPUT jacks correspond to L/R input to theINPUT jacks. The mixed signal of L/R is not output.o THROUGH/HPF POST switchSwitches the signals output from the OUTPUT jacks (i).• THROUGH: Outputs unaffected signals from INPUT jacks (u).Select when using HPF of the connected speaker or connecting addi-tional DXS18 units.• HPF POST: Outputs signal input from INPUT jacks (u) after pass-ing through a HPF. The cutoff frequency of the high pass filter is thefrequency specified with the X-OVER switch (!2). Because the out-put level from the OUTPUT jacks is linked to the LEVEL control(!1), the levels of this unit and the full-range speaker change simulta-neously.!0 PEAK indicatorLights red when the input level reaches 3 dB below clipping. If the indi-cator lights frequently, adjust the volume of the input source or lowerthe LEVEL control (!1) so that the indicator flashes only briefly at thehighest input levels.!1 LEVEL controlAdjusts the output level.!2 X-OVER switchSpecifies the crossover frequency at 120 Hz, 100 Hz, or 80 Hz. Theoutput from the unit is processed through a low pass filter to cut therange of the selected frequency or higher. When setting THROUGH/HPF POST switch (o) to [HPF POST], the output signals from theOUTPUT jacks are processed through a high pass filter to cut the rangeof the selected frequency or lower, and the crossover frequency islinked to that of the connected speaker.!3 D-XSUB switchSwitches the low-range frequency response characteristics.• NORMAL: A generic setting corresponding to various applications.• BOOST: Boosts the frequency range enhancing and providing punchto the sound.• XTD LF (eXTenDed LF): Extends the bottom of the low frequencyrange.!4 CARDIOID switchConnection of multiple DXS18 units enables the use of Cardioid mode.For details on Cardioid mode and using the switch, refer to “Setup ofCardioid Mode” on the opposite page.!5 POLARITY switchSwitches the polarity of the unit, normal or inverted. When the polarityis inverted, the INVRT indicator lights.In most cases, this should be set to normal; however, the inverted set-ting may improve low-range response, depending on the type and loca-tion of the speaker system. Select a setting that produces the best low-end sound.!6 LIMIT indicatorLights when the output limiter is active. The output limiter operates inorder to protect the speaker and amplifier, attenuating the output signalto the amplifier. If the indicator lights frequently, adjust the volume ofthe input source or lower the LEVEL control (!1) so that the indicatoronly occasionally lights at the highest input levels.!7 PROTECTION indicatorLights when the protection system is active. The protection systemoperates and the speaker output is muted in the following situations.• If amplifier overheating is detected.• If overcurrent is detected.• Immediately after turning the power on. (The protection system isactivated to prevent noise and the indicator lights for about two sec-onds. The indicator turns off when the power supply has started nor-mally.)!8 POWER indicatorLights when the power is on.!9 FRONT LED DISABLE switchTurns the FRONT LED at the front of the unit on or off. The LED lightswhen this switch is set to off. Turn this switch on to disable the LED.Controls and functionse t yqruo!0!1!2 !3 !4!5!6!7!8!9iwCAUTIONDo not stack more than two DXS18 units.CAUTIONTurn off the power before you connect or disconnect thepower cord.CAUTIONMake sure to lower the input level when switching.

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