Dynacord DPA 4411 Extension kits for the DPA, NRS 90208 input transformer per single input

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distortion-limited response

 

(PA NOMINAL -3dB, kΣ = 1 %)

60 Hz .. 5 kHz

crosstalk between two channels

≥ 80dB at 1 kHz / ≥ 60dB at 10 kHz

MONITOR output characteristics:

electronically balanced

nominal output voltage

2 V = + 8.2 dBu

nominal load impedance

600 ohms

amplification frequency response

60 Hz .. 20 kHz

environmental temperature

+5 °C .. +40 °C

technical regulations:

 

This appliance is in accordance to the following regulations

EN 55103-1, EN 55103-2, EN 55022

 

 

EN 60065, EN 60555

dimensions (W x H x D)

19“ (483 mm) x 3HU (132 mm) x 345 mm

installation depth without external connectors

340 mm

installation depth incl. external connectors

max. 400 mm

weight

 

22.5 kg

color

 

anthracite

Extension kits for the DPA 4411:

 

NRS 90206

pilot tone surveillance (for four amplifiers)

Order No. 121 639

NRS 90207

ground fault surveillance (for four outputs)

Order No. 121 640

NRS 90208

input transformer (per single input)

Order No. 121 641

NRS 90227

monitor output transformer

Order No. 121 679

14. Specifications For DPA 4411 Accessories

 

14.1 NRS 90206 pilot tone surveillance (for four amplifiers)

 

pilot frequency

19 kHz ± 1%

fault recognition threshold

≤ 12 mV

fault message output

separate for each output; via

 

 

PROMATRIX Manager DPM 4000

14.2 NRS 90207 ground fault surveillance (for four outputs)

 

input

 

loudspeaker line 20 V / 50V / 70V / 100V

fault message output

separate for each output; via

 

 

PROMATRIX Manager DPM 4000

voltage strength

1000 Veff

fault recognition threshold

≤ 50 k ohms

14.3 NRS 90208 input transformer (per single input)

 

transmission range

20 Hz .. 20 kHz

input impedance

≥ 10 k ohms

idling ratio

 

1:1

primary winding resistance

1420 ohms at 20°C

secondary winding resistance

1420 ohms at 20°C

14.4 NRS 90227 monitor output transformer

 

transmission range

40 Hz .. 20 kHz

nominal load impedance

≥ 600 ohms

idling ratio

 

1:1

primary winding resistance

18 ohms at 20°C

secondary winding resistance

18 ohms at 20°C

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Contents Power Amplifier DPA FeaturesImportant Safety Instructions For US and Canada onlyIndicators, Controls And Connections Circuit ⊥ to Chassis SwitchTable of Contents Amplifier has to be protected against Installation NotesUtilization Before Initial Operation 3.1 Mains OperationBattery Operation 24 V DC Inputs Input 1 to InputPower Output for the connection of 100 V loudspeaker systems OutputsPower Output 100 V Double Output Power Monitor outputIntegrated Remote Module Indicators And Fault Notification 7.1 Standby Indicator Ready IndicatorProtect Indicator Ground Fault Indicator Meter Instruments And Clip IndicatorsStatus Indicator To Install The NRS 90206 Proceed As Follows see diagram NRS 90207 Ground Fault Surveillance To Install The NRS 90207 Proceed As Follows see diagramChecking The Function Of The NRS Installation of the rear panel Retrofitting The NRS 90208 On The Printed Board AssemblyRemove the input printed board assembly 81331 see diagram NRS 90208 Input Transformer For Floating, Balanced InputsTo Install The NRS 90227 Proceed As Follows see diagram Flightcase Or 19-Rack System InstallationGround Lift Switch Circuit ⊥ to Chassis Switch FusesPage DPA 4411 Specifications NRS 90208 input transformer per single input NRS 90207 ground fault surveillance for four outputsExtension kits for the DPA NRS 90227 monitor output transformer
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