W Audio EPX Series User Manual

www.prolight.co.uk EPX Series Power Ampliers User Manual
9
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
All manuals and user guides at all-guides.com

W Audio EPX Series Specifications

General

Brand	W Audio
Model	EPX Series
Category	Amplifier
Language	English