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Operators & Service

Manual

DN330

EVI PRO AUDIO GROUP

Klark Teknik Building,

Walter Nash Road, Kidderminster,

Worcestershire DY11 7HJ

England

Tel: (01562)741515 Fax: (01562)745371

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Содержание dn330

Страница 1: ...1 Operators Service Manual DN330 EVI PRO AUDIO GROUP KlarkTeknikBuilding WalterNashRoad Kidderminster WorcestershireDY117HJ England Tel 01562 741515 Fax 01562 745371...

Страница 2: ...2...

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...

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