Zenith CD Series User manual

CD Series Ampliers
User Manual
Order codes:
AMP06 - CD 5000
AMP07 - CD 8000

www.prolight.co.uk CD Series Ampliers User Manual 2
Safety advice
WARNING
FOR YOUR OWN SAFETY, PLEASE READ THIS USER MANUAL
CAREFULLY BEFORE YOUR INITIAL START-UP!
• Immediatelyuponreceivingthisproduct,carefullyunpackthecartonandcheckthecontents
toensurethatallthepartsarepresent.
• Beforeinitialstart-up,pleasemakesurethatthereisnodamagecausedduringtransportation.
• Shouldtherebeanydamage,consultyourdealeranddonotusetheequipment.
• Retainthecartonandallpackagingmaterials.
• Intheeventthattheequipmentmustbereturnedtothesupplier,itisimportantthat
theequipmentisreturnedintheoriginalcartonandpackaging.
• Tomaintaintheequipmentingoodworkingconditionandtoensuresafeoperation,
itisnecessaryfortheusertofollowthesafetyinstructionsandwarningnoteswritteninthismanual.
• Pleasenotethatdamagescausedbyusermodicationstothisequipmentarenotsubjecttowarranty.
IMPORTANT:
The manufacturer will not accept liability for any resulting damages caused by the non-observance
of this manual or any unauthorised modication to the equipment.
OPERATING DETERMINATIONS
Ifthisequipmentisoperatedinanyotherway,thanthosedescribedinthismanual,theproductmaysufferdamageand
thewarrantybecomesvoid.Incorrectoperationmayleadtodangere.g:short-circuit,burnsandelectricshocksetc.
Incaseofmalfunctionthisunitshouldbereturnedforserviceorinspection.
Donotendangeryourownsafetyandthesafetyofothers!
Incorrectinstallationorusecancauseseriousdamagetopeopleand/orproperty.
• Neverletthepowercablecomeintocontactwithother
cables.Handlethepowercableandallmainsvoltage
connectionswithcaution!
• Neverremovewarningorinformativelabelsfromthe
equipment.
• Donotopenormodifytheequipment.
• Donotconnectthisequipmenttoadimmer-pack.
• Donotswitchtheequipmentonandoffinshortintervals,
asthiswillreducethesystem’slife.
• Onlyusetheequipmentindoors.
• Donotexposetoammablesources,liquidsorgases.
• Alwaysdisconnectthepowerfromthemainswhen
equipmentisnotinuseorbeforecleaning!Onlyhandle
thepowercablebytheplug.Neverpullouttheplugby
pullingthepowercable.
• Makesurethattheavailablevoltage
isbetween220-240V,50/60HzAC.
• Makesurethatthepowercableisnevercrimped
ordamaged.Checktheequipmentandthepower
cableperiodically.
• Iftheequipmentisdroppedordamaged,disconnect
themainspowersupplyimmediately.Haveaqualied
engineerinspecttheequipmentbeforeoperatingagain.
• Iftheequipmenthasbeenexposedtodrastictemperature
uctuation(e.g.aftertransportation),donotswitchiton
immediately.Thearisingcondensationmightdamagethe
equipment.Leavetheequipmentswitchedoffuntilithas
reachedroomtemperature.
• Iftheproductfailstofunctioncorrectly,discontinueuse
immediately.Packsecurely(preferablyintheoriginal
packingmaterial),andreturntoyourdealerforservice.
• Onlyusefusesofsametypeandrating.
• Repairs,servicingandpowerconnectionmustonlybe
carriedoutbyaqualiedtechnician.THISUNITCONTAINS
NOUSERSERVICEABLEPARTS.
• WARRANTY:Oneyearfromdateofpurchase.
CAUTION!
KEEP THIS EQUIPMENT
AWAY FROM MOISTURE,
RAIN AND LIQUIDS, AND
OUT OF DAMP/HUMID
ENVIRONMENTS
CAUTION!
TAKE CARE USING
THIS EQUIPMENT!
HIGH VOLTAGE-RISK
OF ELECTRIC SHOCK!!

www.prolight.co.uk CD Series Ampliers User Manual 3
Product overview & technical specications
TheCDseriesfeature
highpower,outstanding
soundqualityandsuperior
stabilityforawiderangeof
installedsoundsystemsas
wellasportablelivesound
applications.Available
withoutputsupto8000W
thisseriesfeatureclassD
technologyinacompact
2Upackage.Automatic
cliplimitingalongwithhigh
efciencytunnelcooling
andDCfansensure
reliabilitytimeaftertime.
•Protectioncircuits:Soft
start,limit,thermal,short
circuit,overload,DCfault
protection&ACpower
supplyfuse
•LEDindicators:Power,
active,signal&clip
•Inputconnections:
2xXLRsockets,1x
powerCONinput
•Outputconnections:2x
speakONconnectorsand
2pairsofbindingposts
•Additionalfeatures:
Switchablestereo,
parallelandbridgeand
lowpassfilter
CD Series Ampliers
Specications CD 5000 CD 8000
Poweroutput@8Ω 2x1000Wrms 2x1500Wrms
Poweroutput@4Ω 2x1700Wrms 2x2500Wrms
Poweroutput@2Ω 2x2500Wrms 2x4000Wrms
Poweroutputbridge@8Ω 1x3400Wrms 1x3400Wrms
Poweroutputbridge@4Ω 1x5000Wrms 1x5000Wrms
Frequencyresponse 20Hzto20kHz 20Hzto20kHz
Inputsensitivity 1.2V,32dBor26dB 1.2V,32dBor26dB
Min.Loadimpedance(Stereo) 2Ω 2Ω
Min.Loadimpedance(Bridge) 4Ω 4Ω
Powersupply 220-240VAC50/60Hz 220-240VAC50/60Hz
Powerconsumption 1200W(1/8power@8Ω) 1860W(1/8power@8Ω)
Dimensions 88x483x460mm 88x483x460mm
Weight 9.5kg 10.8kg
Ordercode AMP06 AMP07
88mm
483mm 460mm
CD 5000
CD 8000

www.prolight.co.uk CD Series Ampliers User Manual 4
Front panel
Technical specications
01-ClipLEDs-TheseLEDsashredtoindicatewhenthe
outputoftheamplierhasreachedthemaximum,andis
rightontheedgeofclipping.Clippingisbadforspeakers
andshouldbeavoided.ItisokayiftheLEDblinks
occasionally.Itmeansthatthetransientpeaksofthe
musicarejusthittingthefulloutputoftheamplier.
02-Gaincontrol-Thesetwoknobscontrolthelevelsof
Channels1and2.Usually,thesecontrolsaresetall
thewayup.Afteryouhavesetthelevelsforthemixer
(orothersignalsource),adjusttheLevelcontrolson
theamplierasthenaladjustmenttosettheoverall
volumeforthesystem.
Instereoandmonomode,usebothlevelcontrolsto
controlthelevelsgoingtoeachspeaker.Inbridged
mode,turnthechannel2levelcontroldown,andjust
usethechannel1control.
03-PowerLED-ThisLEDilluminateswhentheamplier
isswitchedon
04-SignalLEDs-TheseLEDsilluminatewhentheamplier
isrelievinganinputsignal
05-Powerswitch-Pressthisswitchtopowerontheamplier

Ampliersshouldbethelastdeviceintheaudiochainto
bepoweredon.
POWER
-8 0
0d B
CH B
-80 0dB
CH A
ON
CLIP
-10dB
-2 0dB
SIGNAL
CD8000
05 02 03
04
01
02

www.prolight.co.uk CD Series Ampliers User Manual 5
Rear panel
01-ThesebalancedXLRoutputscanbeusedtopass
throughthesignaltoadditionalpowerampliers.
02-XLRinputs-Theseinputsallowyoutoconnectbalanced
XLRplugs.Thesearewiredwithpin2hot,pin3coldand
pin1ground
03-Therearetwowaysofconnectingyourspeakers:
Lockingspeakerconnectorsorbindingposts.
Theconnectorsarewiredinparallel.(e.g.Channel1
bindingpostandlockingspeakerconnectorsarein
parallelandthesameforchannel2).
Whentheamplierisusedinbridgedmonomodeuse
theoutputbridgelockingspeakerconnectororthetwo
redbindingposts.
04-Lockingpowersocket-Thisiswhereyouconnectthe
detachablelockingpowercable.Connecttheotherend
toa220-240V,50/60HzACoutlet.
05-Ampmode-Thisswitchdeterminestheinputsignal
routingwithintheamplier.Formostapplicationsstereo
willbeused.

Stereomode-Thisisthe"normal"wayofusingthe
amplier,inwhicheachchannelisfullyindependent.
Separatesignalsconnectattheinputs,thegainknobs
controltheirrespectivechannels,andseparatespeakers
connecttoeachoutput.
Examples:
•Two-channel(stereo)playback.
•Twoindependentmonosignals,suchasmainand
monitormixes.
•Bi-ampedoperation,withthelowfrequenciesin
Channel1andthehighsinChannel2.

Parallelmode-ThismodeisjustlikeStereomode,
exceptthattheinputsforChannel1andChannel2are
internallyconnectedtogether.Asignalintoanyinput
jackwillthereforedrivebothchannelsdirectly.Each
channel'sgaincontrolstillfunctionsasusual,andeach
channelfeedsitsownspeakerload.Youcanpatchthe
inputsignalontoadditionalampliersbyusinganyof
theremaininginputjacks.


Example:
•Onemonosignaldrivingbothchannels,with
independentgaincontrolforeachspeakersystem.

Bridgemode-Thismodecombinesthefullpower
capabilitiesofbothchannelsintoasinglespeaker
system.Theamplierinternallyre-conguressothat
bothchannelsoperateasaunit.Thisdeliversdoublethe
outputvoltage,resultinginfourtimesthepeakpower
andthreetimesthesustainedpowerintoasingle8-or
4-ohmspeakerload.Connectionsforbridgemonomode
aredifferenttothoseusedinStereoorParallelmode.
Examples:
•Drivingasingle8-ohmspeakerwiththecombined
4-ohmpowerofbothchannels.
•Drivingasingle4-ohmspeakerwiththecombined
2-ohmpowerofbothchannels.
Precautions:BridgeMonomodemakesitpossible
todrivethousandsofwattsintoasinglespeaker.
ACcurrentconsumptionwillusuallybehigher.Avoid
excessivesignallevel,andmakesurethewiringand
speakercanhandlethepower.
06-TheGainsetstheinputsensitivityoftheamplier
dependantonthesignalbeingsentfromthepre-ampor
mixeretc.
07-Thelowcutlterrollsoffsignalsbeloweither30Hzor
50Hz.Thisimprovesbassperformancebylimitingsub-
audioconemovement.Asarule,fullrangespeakers
willsoundbetterwiththelteringactivated.The50Hz
lterworkswellwithmostcompactfull-rangespeakers,
andhasaslightboostat100Hzforgreaterfullness.
The30Hzlterisintendedforsubwoofersandlarge
full-rangecabinets.The"off"positionshouldbeused
onlyforapplicationssuchasstudioplaybackmonitoring,
whereyouneedtoknowifthereareunwantedsub-audio
signalspresentinyourmix.
08-Circuitbreaker-Iftheamplierisoverdrivenora
seriousproblemoccurstheresettablecircuitbreaker
maybeactivated.Pushtoresetthecircuitbreaker
whennecessarytorestorepowertotheamplier.Ifthe
breakerwillnotreset,contactyournearestauthorised
repaircentreforassistance.
05 01 02
06
080407 03

www.prolight.co.uk CD Series Ampliers User Manual 6
Operating instructions
Rack installation
TheCDSeriesisbuiltfor19”racks.Therackyouuseshouldbea‘doubledoorrack’whereyoucan
openthefrontandrearpanel.Whenmountingtheamplierintotherack,pleasemakesurethatthere
isenoughspacearoundtheamplier.
Becarefulwhenmountingtheamplierintotherack.Puttheheaviestproductsintothelowerpart
oftherack.Beawarethatfasteningtheamplierwithfourscrewsonthefrontpanelisnotenough.
Iftheracksarebeingtransportedorusedformobileuse,additionallyfastentheproductsby
connectingtherearbracketswiththesideorgroundbarsoftherack.Inthisway,theamplier
cannotbepushedbackwards.Thefrontpanelisnotdesignedtoabsorbaccelerationforces
occurringduringtransportation.
Inputs
Shortcablesrunsimprovethesoundqualityremarkably.Inputcablesshouldbeshortanddirect,
sincehighfrequencieswillmostlybeabsorbedifthecablesareunnecessarilylong.Besidesthata
longercablemayleadtohummingandnoiseproblems.Ifthecablerunsareunavoidable,youshould
usebalancedcables.
Outputs
Thehighdampingfactorofyourampliersuppliesaclearsoundreproduction.
Unnecessarilylongandthincableswillinuencethedampingfactorandthusthelowfrequencies
inanegativeway.Inordertosafeguardgoodsoundquality,thedampingfactorshouldliearound50.
Thelongeracablehastobethethickeritshouldbe,asaminimum2.5m2shouldbeused,however
4.0m2or6.0m2isrecommended.
ConnectyourspeakersystemsviathelockingspeakerconnectorsortheBanana/Screwcombination
(red+,black-)
Connection to the mains
Connecttheamplieronlyafterhavingmadesurethatthecorrectvoltage(220-240V)issuppliedand
thatthegroundcableisearthed.ThisproductfallsunderClass1.Donotdetachthegroundcable.

www.prolight.co.uk CD Series Ampliers User Manual 7
Operation
Afterhavingconnectedyourampliertothemains,turnbothgaincontrolscounterclockwiseto
the“-80”position.Thelastproducttobeswitchedonisamplier.The“ON”LEDlightsupnow.
Ifitdoesnot,checkiftheamplierisconnectedtothemainscorrectly.
Afterhavingpoweredontheamplier,turnthegaincontrolsofyourampliertomid-position.
NowadjustthevolumewiththegaincontrolsCHAandCHB.
Allimportantoperatingmodesoftheamplierarearrangedonthefrontpanel.
Ifyouwanttoswitchoffthesystem,switch off the amplier rstinordertoavoid
acousticshocksonthespeakers.
Problem Chart
Operating instructions
-10dBto-20dB -Outputlevel
Clip   -Shortcircuitorimpedancetooloworsignaldistorted
Problem Cause Solution
Nopower Thepowercableisnotconnected Checkthepowercableandanyextensioncables
Nosound
Thepowercableoftherespectiveproductis
notconnectedcorrectlyornotatall.
Checkthepowercableandiftheplugsareproperly
connectedwiththesockets
Theconnectionsocketortheplugisdirty Cleanthesocketand/ortheplug
Noise Theinputsignalistoostrong Reducetheinputsignalviathegaincontrol
Fandoesnotwork,
LEDsdonotlightup Thepowercableisnotconnected Connectthepowercable

www.prolight.co.uk CD Series Ampliers User Manual 8
WEEE notice
Correct Disposal of this Product
(Waste Electrical & Electronic Equipment)
(Applicable in the European Union and other European countries
with separate collection systems)
Thismarkingshownontheproductoritsliterature,indicatesthatitshouldnotbedisposed
withotherhouseholdwastesattheendofitsworkinglife.Topreventpossibleharmtothe
environmentorhumanhealthfromuncontrolledwastedisposal,pleaseseparatethisfromother
typesofwastesandrecycleitresponsiblytopromotethesustainablereuseofmaterialresources.
Householdusersshouldcontacteithertheretailerwheretheypurchasedthisproduct,ortheir
localgovernmentofce,fordetailsofwhereandhowtheycantakethisitemforenvironmentally
saferecycling.
Businessusersshouldcontacttheirsupplierandcheckthetermsandconditionsofthe
purchasecontract.Thisproductshouldnotbemixedwithothercommercialwastesfordisposal.