Dynacord DPA 4411 - Manuals

Page 2 - IMPORTANT SAFETY INSTRUCTIONS; For US and CANADA only:; MOS; SAFETY COMPONENT (HAS TO BE REPLACED WITH ORIGINAL PART ONLY); IMPORTANT SERVICE INSTRUCTIONS

The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to thepresence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude toconstitute a risk of electric shock to persons. The exclamation point within ...

Page 3 - Indicators, Controls And Connections

Indicators, Controls And Connections 1 LED meters with a range from -13 dB to 0 dB 2 CLIP indicators 3 TEST button for checking and reset function 4 STANDBY indicator 5 PROTECT indicator 6 GROUND FAULT indicator 7 READY indicator 8 Air inlets 9 POWER ON switch 10 AC MAINS INPUT connector 11 Mains fu...

Page 4 - Ground Lift Switch CIRCUIT

Table of C ontents Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Indicators, Controls And Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 1. Utilization . . . . . . . . . ....

Page 6 - Battery Operation 24 V DC; and the cable length for; Caution; the positive pole is not permissible.; Inputs INPUT 1 to INPUT 4; diagram 1

3.2 Battery Operation 24 V DC The amplifier DPA 4411 can either be operated on the AC mains or connected to an external 24 V batterypower source. Switching to battery operation is accomplished via internal relay. The battery has to be connected to the corresponding socket (23) on the rear panel of t...

Page 7 - diagram 3 Connection of 100 V (70 V or 50 V) loudspeaker systems

5. Outputs 5.1 POWER OUTPUT All power outputs are balanced and floating. When factory-shipped, the outputs are pre-configured for theconnection of 100 V loudspeaker systems. Connection is achieved through plugging the supplied 8-polesocket into the connection strip (19). Switching the output transfo...

Page 10 - diagram 6 Switching the output voltage at the

7.4 GROUND FAULT Indicator If, with built-in NRS 90207 a ground fault condition at one of the power outputs occurs, the correspondingred GROUND FAULT indicator (6) lights and a fault-message is transmitted to the PROMATRIX ManagerDPM 4000. The power amplifier keeps up normal operation during the occ...

Page 11 - Note; diagram 8

Note After changing the output voltage, use a waterproof marker pen to note the correct, newly set value on the label-field OUTPUT VOLTAGE (20) on the rear of the appliance. Additionally note the corresponding output configuration (see diagram 5) on the label OUT CONFIG TYPE (20). According to the d...

Page 14 - , please remove the 9 screws on the top of the appliance that lock the; closing the appliance; : use the 9 screws M3 x 6 DIN 7500 to reattach the cover plate.; Operating the DPA 4411 without cover-plate is not admissible.

diagram 10 Printed board assembly 81331 showing the position of the input transformers NRS 90208 9.4 Monitor Output Transformer NRS 90227 Offering A Floating, Balanced MONITOR Outpu t In case a floating MONITOR output is needed, the monitor amplifier’ output is prepared for retrofitting anoutput tra...

Page 18 - Extension kits for the DPA 4411:

distortion-limited response (P A NOMINAL -3dB, k Σ = 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 6...