Waudio AMP50 - XTR 1000 User manual

Order codes:
AMP50 - XTR 1000
AMP51 - XTR 1500
XTR Series
Power Ampliers
User Manual
CH A
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CH B
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CH A
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www.prolight.co.uk XTR Series Power 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220V/240V.
• 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!!

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Product overview
Professionalpowerampliers
offeringsuperiorreliabilityand
performance,tosuitavariety
ofapplications.
•Shortcircuit,overloadand
thermalprotection
•Fancooled
•Groundlift
XTR Series Power Ampliers
Inthebox:
1 x power amplier,
1 x power cable
& 1 x user manual
CH A
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CH B
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Specications XTR 1000 XTR 1500
Outputpower1kHz,
THD+N≤0.5%
Stereo8Ω 2x350W 2x500W
Stereo4Ω 2x500W 2x750W
Frequencyresponse 20Hzto20kHz±1.0dB
Inputsensitivity 0.775V/1.0V/1.44V
S/Nratio(a-weighted,RMS) >95dB
Crosstalkatratedpoweroutput(8Ωat1kHz) >65dB
Dampingfactor(f=1kHz@8Ω) >150dB
Protectioncircuits Thermal,shortcircuit,overload,DCfaultprotection&ACpowersupplyfuse
LEDindicators Power,protect&clip
Connectors Inputs:2xphonosockets,2x1/4”jacksockets
Outputs:2xlockingspeakerconnectors,2xbindingposts
Coolingsystem Lownoise,variablespeedfans
Powersupply AC240V/50Hz
Dimensions(HxWxD) 87x484x297mm 87x484x297mm
Weight 10.5kg 10.75kg
Ordercode AMP50 AMP51

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XTR 1000 & XTR 1500
dimensions
Product overview
484mm
87mm 264mm
297mm
426mm

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XTR 1000 & XTR 1500 front panel
XTR 1000 & XTR 1500 rear panel
Technical specications
01-ClipLEDs-TheseLEDsashamber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.Youmightturnthemdownslightlyifyou
havehigh-efciencyspeakers.Also,youcouldusethem
tocontrolthelevelofline-levelsourcessuchasaCD
playerconnecteddirectlytotheamplierwithouta
pre-amplierormixer.
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.
03-PowerLED-ThisLEDilluminateswhentheamplier
isswitchedon.
04-ProtectLED-IfthisLEDisilluminatedduringoperation,
oneoftheprotectioncircuitsisactive.Pleasetakethe
amplieroutofoperationandhaveittested.
05-Powerswitch-Pressthisswitchtopowerthe
amplieron.
CH A
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CH B
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04 0205 03 0402
01 01
INPUTS
GROUNDLIFT
LIFT GND
B A
RIGHT LEFT
MAINS
T6.3 A
240V~50Hz
!
POWER AMPLIFIER
240V~50Hz
Serial no.
CAUTION!
Remove the mains power before opening
the unit. No user serviceable parts inside,
refer to qualied service personnel.
Protect the unit against moisture and heat.
Operating temperature range 0-40°C.
OUTPUTS
(4Ω min.)
01-¼”jackinputs-Theseinputsallowyoutoconnect
¼”unbalancedjackplugs
02-Phonoinputs-Theseinputsallowyoutoconnect
unbalancedphonoplugs
03-Therearethreewaysofconnectingyourspeakers:
Lockingspeakerconnectors,¼”jackorbindingposts.
Theconnectorsarewiredinparallel.(e.g.Channel1
bindingpost,jackandlockingspeakerconnectorsarein
parallelandthesameforchannel2).
04-Powercablesocket-Thisiswhereyouconnectthe
detachablepowercable.Connecttheotherendtoa
240VACoutlet.
05-Groundliftswitch-Thisswitchallowsthesignalground
orchassisgroundtobeseparatedincaseofaground
conict.Forthehighestsafetyoftheequipment,itis
recommendedtokeepthe“groundliftswitch”inthe
GNDposition.Incaseofagroundconictpleasesetthe
groundliftswitchtoGNDLIFT.
0201 01 040305

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Operating instructions
Rack installation
TheEP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
occuring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.
ConnectyourspeakersystemsviathelockingspeakerconnectorsortheBannana/Screwcombination
(red+,black-)
Connection to the mains
Connecttheamplieronlyafterhavingmadesurethatthecorrectvoltage(240V)issuppliedandthat
thegroundcableisearthed.ThisproductfallsunderClass1.Donotdetachthegroundcable.

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Operating instructions
Operation
Afterhavingconnectedyourampliertothemains,turnbothgaincontrolscounterclockwisetothe
“min”position.Thelastproducttobeswitchedonisamplier.The“ON”and“PROTECT”LEDlightsup
now.Ifitdoesnot,checkiftheamplierisconnectedtothemainscorrectly.
Aftertheturnondelaythespeakersareactivated(PROTECT-LEDisoff).
Afterhavingsetthevolumecontrolsofthepre-ampliertothe“OFF”position,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
-20dBto30dB -Outputlevel
Clip   -Shortcircuitorimpedancetooloworsignaldistorted
Protect  -Activeduringstabilisationperiodafterswitchingonorwhenone 
   oftheprotectivecircuitsisactivated
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
ProtectLEDlights
uppermanently
DCvoltageoninput Switchamplieroffandhavetheproductchecked
byaservicetechnician
Amplieroverheatsduetoobstruction Cleanthefangrill
Impedanceofspeakerstoolow Ensureminimum4Ωload
Shortcircuitinspeakerconnection
orinspeakers Checkspeakersandconnections
CAUTION! - DANGER TO LIFE
DISCONNECT FROM THE MAINS BEFORE
STARTING MAINTENANCE OPERATION

www.prolight.co.uk XTR Series Power Ampliers User Manual
8
Operating instructions & WEEE notice
Cleaning and Maintenance
Werecommendafrequentcleaningoftheproduct.Pleaseuseasoftlintfreeandmoistenedcloth.
Neverusealcoholorsolvents.
Therearenoserviceablepartsinsidetheproductexceptforthefuse.Maintenanceandservice
operationsareonlytobecarriedoutbyauthoriseddealers.
Replacing the fuse
Onlyreplacethefusewithafuseofthesametypeandrating.
Beforereplacingthefuse,unplugthemainscable.
Procedure:
Step 1:Openfuseholderontherearpanelwithascrewdriver.
Step 2:Removetheoldfusefromthefuseholder.
Step 3:Installthenewfuseinthefuseholder.
Step 4:Replacethefuseholderinthehousing.
Shouldyouneedanyspareparts,pleaseusegenuineparts.
Shouldyouhaveanyfurtherquestions,pleasecontactyourdealer.
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of
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.