CDD‐LIVE&SXP USERGUIDE
CDD‐LIVE&SXPUserGuideV1.8 6
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Introduction
Mostself‐poweredportableloudspeakershavebeenunderpowered,light‐dutysystemsorveryhigh‐endsystemsoutofreach
of many users. Now, with the multi ‐purpose CDD‐LIVE! Series and SXP Subwoofers, Martin Audio brings everything rental
companies,systemintegratorsandmusiciansrequirefromaself‐poweredloudspeakerintosharp
focus.
Comprising three full‐range models and two SXP subwoofers, CDD‐LIVE! Covers practically all professi onal stand‐alone and
distributedapplications—fromsoundreinfo rcementandmonitoringforlivebands,DJ’sandcorporateevents,toinstallations
indanceclubs,ballrooms,theatresandperformingartscentres.
Combiningthe‘point‐source’benefits
ofcoaxialdesignswiththeconsistentcoverageofDifferentialDispersiontechnology,CDD‐
LIVE! Full range systems are optimised for optimum real‐world coverage exhibiting wide horizontal dispersion close to the
speakeratthebottom oftheverticaldispersion whichnarrowsto thetopoftheverticalcoverage toensureexcellentpower
deliveryrighttothebackoftheroom.Thusallcornersoftheaudienceexperiencethesamesuperbsonicquality.
On‐board Class D amplification, DSP and Dante™ Digital Audio networking assure simplicity of stage set‐up and efficient
installation,whiletour‐gradeenclosuresandcomprehensivemountingoptions—including
polemount,wallbrackets,yokesand
rigginginserts—providemaxi mumflexibilityindeployment.
Withsonicconsistencyacrosstherange,arectangularcoveragefootprintandamultitudeofdeploymentoptions,CDD‐LIVE!is
trulyversatile—aprofessionalself‐poweredsolutionforahugehostofaudioapplications.
CoaxialDifferentialDispersionTechnology
Introduced by Martin Audio with the launch of the CDD Installation Series of speakers, full‐range models feature unique,
patentedCoaxialDifferentialDispersion™technology.CDDsystemsaugmentthe‘point‐source’benefitsofcoaxialdriverswith
theconsistencyofcoveragewhichDifferentialDispersiontechnologycandeliver.
Non‐coaxialsystemscansufferfrom
unevenfrequencyresponseinthecrossoverregionbecauseofinterferencebetweenthe
LFandHFsections;dependingonthelisteningposition,thiscausesoff‐axisvariati ons,particularlyclosetotheloudspeaker.In
contrast,coaxialsystemsaimtosumLFandHFcontributionsatallpositionsoff‐axis,evenclose‐up.
AdisadvantageofconventionalcoaxialdevicescanbeHFbeaming,wheretheHFdispersionreducesathigherfrequencies.This
isprimarilybecausetheHFenergyemergesthroughanarrowtubeinthepole‐pieceofthemagnetsystem.CDDSeriescoaxial
devicesovercomethisbytheuseofa staticwaveguide
thatmergesseamlesslywiththeuniqueconeshape—maintainingthe
dispersionpatternevenatveryhighfrequencies.
ADifferentialDispersionhornhasatrapezoidaldispersionpatterninbothverticalandhorizontalplaneswhichcoversthetarget
areamoreevenly thanasystemwithaconventional,fixeddispersiontypehorn.
Withacon ventionalhorn,thespeakerisusually
placedaboveheadheightandaimedtowardsthecentreoftheaudience.Thisproducesanimperfectcoveragepatternwhich
missesoutsomeareas—particularlysideareasclosetotheloudspeaker.
Incontrast,aCDDCoaxialDifferentialDispersionsystemproducesarectangularcoverage
patternextendingtoallcornersofthe
audiencearea,whilewidehorizontalcoverageisachievedveryclosetotheloudspeaker.Theconsistencyoffrequencyresponse
andSPLthusachievedthroughouttheaudienceareaisexceptional.Theimprovedcoverageclosetothesourcealsomeansthat
CDDspeakerscanoftenbe
spacedfurtherapart,reducingoverallspeakercount.
CDD‐Livemarriesthisground‐breakingtechnology withaclass DamplifierinarobustreadyenclosuretocomplementtheCDD
installationrangewitharangesuitableforportableapplicationsorfixedinstallationswhereapoweredproductisrequired.
Dante™
Allmodelsinthe CDD‐LiveandSXPrangefeatureaclassDamplifierwithon‐boardDSPandinputtothesystemscanbeeither
balancedlinelevelanalogueorDante™digitalaudio.IntroducedbyAudinate,Danteisanuncompressed,multi‐channeldigital
media networking platform, with near‐zero latency
and synchronization. Dante has become the preferred digital audio
networkingsolution,acommonplatformthattheindustryhadbeentryingtofindformanyyears.Ithasbeenadoptedbymore
pro‐audioAVmanufacturersthananyothernetworkin gtechnology.Interoperabilityisnota dreamofthefuture,buta
reality
today.HundredsofDante‐enabledproductsareavailablefromtheworld’sleadingmanufa c turersmakinginterfacingasystem
withCDD‐Livespeakersextremelystraightforwardoverinexpensive,readilyavailableCat5cable.