Dynacord DPA 4411 owner manual Power Amplifier DPA, Features

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OWNER’S MANUAL

POWER AMPLIFIER DPA 4411

Features

Power amplifier with 4x100 W output power capacity according to IEC 283-3 19" - rack size (3 HU) unit that provides the following functions:

∙Mains operation 115/230 V AC and operation with emergency power supply of 24 V DC

∙Output transformers for balanced, floating 100 V loudspeaker networks: 70 V, 50 V or 4 ohms for low-impedance operation can be selected

∙All outputs are protected against idling and short-circuit

∙Integrated Remote Module for control and monitoring using the PROMATRIX Manager DPM 4000

∙Electronic level controls, electronically balanced inputs and electronically balanced MONITOR output

∙Input transformer for balanced, floating inputs can be retrofitted

∙Monitor output transformer for balanced, floating MONITOR output can be retrofitted

∙Routing switch for parallel operation of the amplifier’s inputs

∙Integrated Standby Power Supply

∙Mains function switch - POWER

∙Ground lift switch

∙Remote-Start function for mains and battery operation with inrush current limiter protection

∙Power-on noise attenuation

∙Status-LED indicators: operation (READY), STANDBY, thermal overload (PROTECT) and GROUND FAULT at the power outputs

∙Fault notification according to DIN EN 60849 via the PROMATRIX Manager DPM 4000

∙TEST-switch for systems with average-switching or GROUND FAULT RESET

∙LED meters with a range from -13 dB to 0 dB plus CLIP indication

∙Mains voltage selector switch 115/230 V AC

∙Active, temperature-controlled ventilation

∙Modules for pilot tone surveillance and ground fault surveillance according to DIN VDE 0800 are optionally available

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Contents Features Power Amplifier DPAFor US and Canada only Important Safety InstructionsCircuit ⊥ to Chassis Switch Indicators, Controls And ConnectionsTable of Contents Utilization Installation NotesAmplifier has to be protected against Before Initial Operation 3.1 Mains OperationInputs Input 1 to Input Battery Operation 24 V DCOutputs Power Output for the connection of 100 V loudspeaker systemsMonitor output Power Output 100 V Double Output PowerIntegrated Remote Module Ready Indicator Indicators And Fault Notification 7.1 Standby IndicatorProtect Indicator Meter Instruments And Clip Indicators Ground Fault IndicatorStatus Indicator To Install The NRS 90206 Proceed As Follows see diagram To Install The NRS 90207 Proceed As Follows see diagram NRS 90207 Ground Fault SurveillanceChecking The Function Of The NRS Remove the input printed board assembly 81331 see diagram Retrofitting The NRS 90208 On The Printed Board AssemblyInstallation of the rear panel NRS 90208 Input Transformer For Floating, Balanced InputsFlightcase Or 19-Rack System Installation To Install The NRS 90227 Proceed As Follows see diagramFuses Ground Lift Switch Circuit ⊥ to Chassis SwitchPage DPA 4411 Specifications Extension kits for the DPA NRS 90207 ground fault surveillance for four outputsNRS 90208 input transformer per single input NRS 90227 monitor output transformer
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