CDD‐LIVE&SXP USERGUIDE
CDD‐LIVE&SXPUserGuideV1.7 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,systemintegratorsandmusiciansre quirefromaself‐poweredloudspeakerintosharpfocus.
Com
prising three full‐range models and two SXP subwoofers, CDD‐LIVE! Covers practically all professional stand‐alone and
distributedapplications—fromsoundreinforcementandmonitoringforlivebands,DJ’sandcorporateevents,toinstallations
indanceclubs,ballrooms ,theatresandperformingartscentres.
Combiningthe‘point ‐source’benefitsofco
axialdesignswiththeconsistentcoverageofDifferentialDispersiontechnology,CDD‐
LIVE! Full range systems are optimised for optimum real‐world coverage exhibiting wide horizontal dispersion close to the
speakeratthebottom oftheverticaldispersion whichnarrowsto thetopoftheverticalcoverage toensureexcellentpower
deliveryri
ghttothebackoftheroom.Thusallcornersoftheaudienceexperiencethesamesuperbsonicqu ality.
On‐board Class D amplification, DSP and Dante™ Digital Audio networking assure simplicity of stage set‐up and efficient
installation,whiletour‐gradeenclosuresandcomprehensivemountingoptions—includingpolemou
nt,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‐coaxialsystemscansufferfromunevenfrequency responseinthecrossoverregionbec
auseofinterferencebetweenthe
LFandHFsections;dependingonthelisteningposition,thiscausesoff‐axisvariations,particularlyclosetotheloudspeaker.In
contrast,coaxialsystemsaimtosumLFandHFcontributionsatallpositionsoff‐axis,evenclose‐up.
Adisad
vantageofconventionalcoaxialdevicescanbeHFbeaming,wheretheHFdispersionreducesathigherfrequencies.This
isprimarilybecausetheHFenergyemergesthroughanarrowtubeinthepole‐pieceofthemagnetsystem.CDDSeriescoaxial
devicesovercomethisbytheuseofastatic waveguidethatmergesseamle
sslywiththeuniqueconeshape—maintainingthe
dispersionpatternevenatveryhighfrequencies.
ADifferentialDispersionhornhasatrapezoidaldispersionpatterninbothverticalandhorizontalplaneswhichcoversthetarget
areamoreevenlythanasystemwithaconventional,fixeddispersiontypehorn.Withacon
ventionalhorn,thespeakerisusually
placedabove headheightandaimedtowardsthecentreoftheaudience.Thisproducesanimperfectcoveragepatternwhich
missesoutsomeareas—particularlysideareasclosetotheloudspeaker.
Incontrast,aCDDCoaxialDifferentialDispersionsystemproducesarectangularcoveragep
atternextendingtoallcornersofthe
audiencearea,whilewidehorizontalcoverageisachievedveryclosetotheloudspeaker.Theconsistencyoffrequencyresponse
andSPLthusachievedthroughouttheaudienceareaisexceptional.Theimprovedcoverageclosetothesourcealsomeansthat
CDDspeakerscanoftenbespacedfurtherapart,reducin
goverallspeakercount.
CDD‐Livemarriesthisground‐breakingtechnologywitha class DamplifierinarobustreadyenclosuretocomplementtheCDD
installationrangewitharangesuitableforportableapplicationsorfixedinstallationswhereapoweredproductisrequired.
Dante™
Allmodelsinth e CDD‐LiveandSXPrangefeatureaclassDamplifier withon‐boardDSPandinputtothesystemscanbeeither
balancedlinelevelanalogueorDante™digitalaudio.IntroducedbyAudinate,Danteisanuncompressed,multi‐channeldigital
media networking platform, with near‐zero latency and synchronization. Dante has become the preferred digital a
udio
networkingsolution,acommonplatformthattheindustryhadbeentryingtofindformanyyears.Ithasbeenadoptedbymore
pro‐audioAVmanufacturersthananyothernetworkingtechnology.Interoperabilityisnotadreamofthefuture,butareality
today.H
undredsofDante‐enabledproductsareavailablefromtheworld’sleadingmanufacturersmakinginterfacingasystem
withCDD‐Livespeakersextremelystraightforwardoverinexpensive,readilyavailableCat5cable.