User manual MACKIE HD1801

[. . . ] HD1801 18" Powered Subwoofer OWNER'S MANUAL HD1801 Important Safety Instructions 1. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Do not defeat the safety purpose of the polarized or grounding-type plug. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. [. . . ] Thelevelcontrolandpolarityswitchhavenoeffect onthefull-rangeoutputs. Theoutputsareseparateand maintainthestereoseparationoftheinputsignals. 4. HIGH PASS OUTPUTS BalancedXLRmaleconnectorsareprovidedforthe line-levelAandBhigh-passoutputs. Thesubwoofer's internalactivecrossoversplitstheinputsignalsinto twofrequencybands. Thelowfrequencyrangebelow 100Hzgoestotheinternalamplifierthatpowersthe subwoofer. Thefrequencyrangeabove100Hzissentto theseline-leveloutputjacks. 6. DependingontheplacementoftheHD1801subwoofer relativetothefull-rangespeakers, youmaygetabetter low-frequencyresponseifyouinvertthepolarityofthe subwoofer'ssignal. Seepage11formoreinformation. Connecttheseoutputstotheinputsofyourmain SERIAL NUMBER REVISION 7. poweredloudspeakers, ortotheinputsoftheamplifier NE PAS OUVRIR POWER LIGHT ON AVIS: RISQUE DE CHOC ELECTRIQUE -- WARNING: Pressthisswitchintoturnonthefrontpanelpower poweringthemainloudspeakers. Inthisway, themain LEDifavisualindicatorispreferred. TheLEDnextto loudspeakerswillplaytherangeabove100Hz. Ifthe theswitchwilllightasareminder. mainloudspeakershavegoodlow-frequencyresponse, thenyoumaydecidetousethefull-rangeoutputs(5) Ifthisswitchisout, andtheHD1801isturnedon, the instead. Thelevelcontrolandpolarityswitchhavenoeffect onthehigh-passoutputs. Theoutputsareseparateand POWER maintainthestereoseparationoftheinputsignals. LEVEL TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. REFER SERVICING TO QUALIFIED PERSONNEL. ON Thiscontrolstheoverallsignallevelattheinputto thebuilt-inpoweramplifier. Itrangesfrom­6dBto +6dBofgain. Thecenterdetentis0dB(unitygain). ThiscontrolhasnoeffectontheleveloftheHigh PassOutputs(4)ortheFullRangeOutputs(5). Owner's Manual 9 HD1801 OUTPUTS A FULL RANGE B SETTINGS POWER LIGHT ON 18 -INCH HIGH DEFINITION POWERED SUBWOOFER HD1801 INPUTS 5 A HIGH PASS 10 THERMAL SIG/ LIMIT A B B 7 6 9 3 4 POLARITY INVERT - 6dB LEVEL +6dB 8 9. THERMAL LED Thisbi-colorLEDilluminatesgreenwheneverthereis TheHD1801isequippedwithathermalprotection asignalpresentatthemaininputs. Itsensesthesignal circuitthatmonitorstheinternaltemperatureofthe justafterthelevelcontrol, soadjustmentstothelevel amplifierandheatsink. Ifthetemperaturebeginsto controlwillaffectthesig/limitindicator. exceedasafeoperatinglevel, thisindicatorlightsand theamplifieroutputislimitedtoallowtheamplifierto TheHD1801hasabuilt-inlimiterthathelpstoprecool. Iftheamplifierbecomesexcessivelyhot, theampis venttheamplifieroutputsfromclippingoroverdriving muteduntilitcools, thentheHD1801returnstonormal thetransducer. Thesig/limitindicatorlightsinyellow operation. whenthelimiterisactivated. It'sokayforittoblink yellowoccasionally, butifitblinksfrequentlyorlights WhentheHD1801isinthermalprotectmode, the continuously, turndowntheinputleveluntilitonly powerLED(2)willremainlit, indicatingthattheunit blinksoccasionally. isstillpoweredondespitethelackofoutput. IfPOWER LIGHTON(7)isengaged, thefrontpanelpowerLED Excessivelimitingmayleadto willgooutwheninthermalprotectmode. overheating, whichinturntripsthethermal Activationofthethermalprotectioncircuit protectcircuitryandinterruptsthe performance. See`ThermalConsiderations'on isanindicationthatyoushouldtakesteps page14formoreinformation. toavoidcontinuedthermalproblems. See "ThermalConsiderations"onpage14. SERIAL NUMBER REVISION TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. REFER SERVICING TO QUALIFIED PERSONNEL. WARNING: AVIS: RISQUE DE CHOC ELECTRIQUE -- NE PAS OUVRIR POWER ON 10 HD1801 The Ins and Outs of Polarity Mackie'sHD-SeriesPoweredSubwoofersincludea switchthatallowsyoutoquicklyinvertthepolarityof thesubwoofer'soutputrelativetotheinputsignalitis receivingfromthemixerorothersoundsource. But whatexactlydoesthatmean?Asubwooferworksbyliterallypumpingairasthewooferconemovesinandout withrespecttothecabinetinwhichitishoused. Itdoes soaccordingtothelow-frequencyportionofthesignalit receivesfromthesoundsource. Thewooferconeissimplyfollowingthewaveform asseeninthesinewaveinFigure1. Asthesinewave rises, thewooferconepushesout. Likewise, asthesine wavefalls, thewooferconepullsintothecabinet. A musicalsignalismuchmorecomplex, ofcourse, butthe sameprincipleapplies. Movementofthewoofercone causesairpressurechangesthatweperceiveassound. Thepolarityinvertswitchcomesintoplaywhenthe HD1801subwooferispairedwithaloudspeaker. Ideally, thewooferconesofthesubwooferandfull-rangeloudspeakerwouldworktogetherbypushingandpullingin unison. HD-Seriessubwoofersaredesignedtobeused inabroadrangeofapplications, andwithawidevariety offull-rangeloudspeakers. Theflexibilityprovidedby thepolarityswitchisnecessarytoensurethatyouare receivingthebestpossiblesoundfromyoursystem, regardlessofyoursetup. Owner's Manual Listedbelowaresomerecommendedconfigurations forpairingaMackieHD-Seriessubwoofer(usingthe High-Passoutput)withaMackiefull-range loudspeaker. Thesesettingsareagoodstart, butbesure toexperimenttofindthebestsoundforyourvenue. The loudspeakersmaybestacked, pole-mounted, orflown. WhenthePolarityInvertswitch[6]isengaged, the ·HD-Series full-range loudspeakers-Engagethe originalwaveformissimplyreversed180º(seeFigure PolarityInvertswitchontheHD1801. However, thistimethewooferconestartsbypullinginto ·SRM450v2 full-range loudspeakers-Disengagethe thecabinetfollowedbythewooferconepushingout. If PolarityInvertswitchontheHD1801. Engagethe youhaveeverexperimentedwithasubwooferpolarity LowCutFilterswitchontheSRM450v2loudspeaker. switch, youmaynothavenoticedanychangestothe Inalternatesetupswherethefull-rangeloudspeakers soundregardlessofitsposition, especiallyifyouare arenotco-locatedwiththesubwoofersorarenot listeningtojustthesubwoofer. Thisisnormal, asour connectedtotheHD-Seriessubwoofer'sHigh-Pass earsperceivethembothasthesame. outputs, youwillneedtoexperimentwiththePolarity Invertswitchtodeterminewhichsettinggivesyouthe desiredbassresponseforyourapplication. <--Time--> <--Time--> Amplitude Figure 1 Amplitude Figure 2 Owner's Manual 11 HD1801 Rigging HD1801smaybeindividuallyflownusingM10x1. 5x 37mmforgedshouldereyebolts. [. . . ] Thereisalimittohowmanyyoucan daisy-chaintogether. Ageneralruleisto maintainaloadimpedancetentimesor morethanthesourceimpedancetoprevent excessiveloadingonthesource. Forexample, ifyourmixerhasanoutputimpedanceof120ohms, thenyoucandaisychainuptonineHD1801s. Thisis aloadof1222ohms(HD1801inputimpedance=11 kohms;9oftheseinparallel=1222ohms). Since microphonestypicallyhaveahigheroutputimpedance, youshouldlimitdaisy-chainingfromamicsourcetotwo HD1801s(assumingthatloudspeakersarealsoconnectedtothesubwoofers). 16 HD1801 Appendix C: Technical Information HD1801 Specifications Acoustic Performance Frequency Response (­10 dB): Frequency Response (­3 dB): Max peak SPL (calculated)1: Max peak SPL (measured)2: 35 Hz ­ 145 Hz 44 Hz ­ 95 Hz 133 dB 129 dB Europe: AC Connector: Owner's Manual AC Power Requirements US: 100-120 VAC, 50-60 Hz, 300 watts 220-240 VAC, 50-60 Hz, 300 watts 3-pin IEC 250 VAC, 15 A male Transducer Diameter: Voice Coil Diameter: Diaphragm Material: Magnet Material: 18. 0 in / 457 mm 4. 0 in / 102 mm Paper Ferrite Construction Features Basic Design: Material: Finish: Handles: Grille: Fly Points: Rectangular 15 mm exterior grade premium birch plywood High durability black paint One on each side Powder-coated galvanized steel Twelve M10 x 1. 5 mm Power Amplifier Rated Power: THD: Design: Cooling: 800 watts rms 1600 watts peak < 0. 03% Class D Active, twin thermally controlled vari-speed fans Input/Output Input Type: Female XLR Balanced differential (stereo left/right) 20 k Male XLR Balanced (parallel with input) Male XLR Balanced 300 ­6 dB to +6 dB Physical Properties Height: Width: Depth: Weight: 23. 0 in / 584 mm 23. 0 in / 584 mm 25. 8 in / 655 mm 106 lb / 48. 1 kg Input Impedance: Full Range Output: High Pass Output: Output Impedance: Level Control: Mounting Methods Floor mount or fly via 12 integrated M10 mounting points (using M10 x 1. 5 x 37 mm forged shoulder eyebolts). See page 12 for more information. Electronic Crossover Crossover Type: 24 dB/oct. Symmetrical Linkwitz-Riley 100 Hz Crossover Frequency: Disclaimer Since we are always striving to make our products better by incorporating new and improved materials, components, and manufacturing methods, we reserve the right to change these specifications at any time without notice. "Mackie" and the "Running Man" figure are registered trademarks of LOUD Technologies Inc. [. . . ]