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Страница 1: ...1 Operators Service Manual DN330 EVI PRO AUDIO GROUP KlarkTeknikBuilding WalterNashRoad Kidderminster WorcestershireDY117HJ England Tel 01562 741515 Fax 01562 745371...
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Страница 3: ...EUdirectivesbymeeting thefollowingstandards EN 50081 1 EN55022 class B EN 50082 1 IEC801 Part 2 4 ENV 50140 ENV 50141 Signed N G Tembe Authority HeadofEngineering Date 19thJanuary1996 Attention Theatt...
Страница 4: ...figurationfortheaudiosignalsmayresultindegradedperformanceduetoelectromagnetic interference Electric Fields Should this product be used in an electromagnetic field that is amplitude modulated by an au...
Страница 5: ...5 CONTENTS INTRODUCTION 8 THEDN330PRESETEQUALISER 9 INSTALLATION 11 INSTRUMENTFAMILIARISATION 13 AUDIO CONNECTIONS 14 SPECIFICATIONS 15 SERVICEINFORMATION 16 SCHEMATICS...
Страница 6: ...eenprepared tocomplywiththepowersupplyrequirementsthatexistinyourlocation Precautions Beforeconnectingthisunittothemainspower ensurethattheoperatingvoltageiscorrectforyourlocal supply Donotinstallthis...
Страница 7: ...undergone stringentqualitycontrolinspectionandtestspriortopackingandleftthefactoryinperfectoperatingand mechanicalcondition If however theunitshowsasignofdamage notifythetransportationcompanywithoutde...
Страница 8: ...annotalwaysovercomeallfrequencyresponserelatedproblems Thereareapplicationswherethe abilitytocutorboosttheresponseataparticularfrequency oroveracertainbandwidthotherthanthe equaliserspecifiedone isreq...
Страница 9: ...and continuous equalisationresponsecurveinordertocorrectlycontourtheoverallresponsecharacteristicsofasound system loudspeaker recordingeffectoraudiochannel Toachievethis theindividualfiltersmustbe cap...
Страница 10: ...t eachinstrumentisgiventhefullbacking ofKlarkTeknik s reliabilitycontrol whichproveseachproductagainstaspecificationconsistentwith thehighestprofessionalstandards Onlytopqualitycomponentsareused andev...
Страница 11: ...tage pleaserefertothe VoltageChangeover sectiononpage12 IMPORTANT Mainsvoltageadjustmentsshouldonlybecarriedoutbyaqualifiedservicetechnician TheDCsupplycanbeconnectedeitherbyseparate4mm Banana plugsor...
Страница 12: ...nded foruseasabackuppowerforevacuationandsimilarusesinconditionsofmainsfailure Upon failureofthemainssupply astheunitisalreadyoperationaltheDCsupplyisonlyrequiredto furnishthecurrentnecessarytomaintai...
Страница 13: ...rom 15Hz to 300Hz 4 Thehighfrequencyfilter lopass hasacontinuouslyvariableturnoverfrequencyfrom2 5khz to 30KHz 5 Thirtyhighquality sealedrotarypresetfilterlevelcontrolseachprovidingbetween 12dB boost...
Страница 14: ...yoftheDCsupplymustbemaintainedforoperationthoughincorrect connectionwillnotdamagetheunit 10 InputandoutputconnectionsareviacomplementaryXLRstyleconnectors Forwiring detailsseethepageentitledAudioConne...
Страница 15: ...o 600 ohms and 20dBu into 2K Itisrecommendedthattheequaliserfeedsintoabalancedinput howevertofeedanunbalanced inputitisnecessarytoconnecttheantiphaseoutputtoground ThisisbestcarriedoutontheXLR outputc...
Страница 16: ...ise 20Hzto20kHzunweighted 86dBu Gain 6 to 12dB Filters Type Proprietary combining ISOcentrefrequencies 30 25Hz to 20kHz Frequencytolerance 5 Maximumboost cut 12dB Highpassfilter 15Hzto300Hz 12dB octav...
Страница 17: ...arpanel Toselectthealternativevoltageitisonlynecessarytoslidethevoltageselectorswitch locatedtothe rightofthemainstransformer totheotherposition Pleaseensurethattherearpanelvoltagelabelisremovedandrep...
Страница 18: ...250 300mA 24V power supply How can I run the DN330 from it Answer 1 WiththesupplyOFF connectacapacitorofapproximately10000mfdanda workingvoltageofatleast25Vacrossthe outputterminals 2 Connectthepowers...
