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Manual Dynacord DPA 4411

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Summary
  • Dynacord DPA 4411 - page 1

    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 ...

  • Dynacord DPA 4411 - page 2

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

  • Dynacord DPA 4411 - page 3

    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 fuse 12 VOLTAGE SELECTOR switch 13 REMOTE CONTROL co ...

  • Dynacord DPA 4411 - page 4

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

  • Dynacord DPA 4411 - page 5

    1. Utilization The amplifier DPA 4411 has been specially designed to ensure durable performance and rel iable operation of sound reinforcement systems with several independent loudspeaker lines. Th e DPA 4411 is best suited for call and message transmission installations, alert systems, and for gene ral music applications in industrial enterprises, ...

  • Dynacord DPA 4411 - page 6

    3.2 Battery Operation 24 V DC The amplifier DPA 4411 can either be operated on the AC mains or connected to an external 2 4 V battery power 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 the a ppliance using insulated AMP flat connector ...

  • Dynacord DPA 4411 - page 7

    5. Outputs 5.1 POWER OUTPUT All power outputs are balanced and floating. When factory-shipped, the outputs are pre-conf igured for the connection of 100 V loudspeaker systems. Connection is achieved through plugging the supp lied 8-pole socket into the connection strip (19). Switching the output transformer allows to change t he output voltage to 7 ...

  • Dynacord DPA 4411 - page 8

    Free combination of the DPA 4411’s power output voltages, including mixed 100 V and low im pedance (4 ohms) operation, is possible. 5.4 POWER OUTPUT 100 V - Double Output Power If the output power of one output of the DPA 4411 is not sufficient to feed all cabinets with in a speaker network and dividing the speaker chain is not an option, it is p ...

  • Dynacord DPA 4411 - page 9

    • mains operation remote control ON/OFF • battery operation remote control ON/OFF • monitoring and fault message transmission via the PROMATRIX Manager DPM 4000; in accor dance to DIN EN 60849 standard − thermal overload of the mains transformer − thermal overload of power output stages 1 to 4 − monitoring of the functioning of the powe ...

  • Dynacord DPA 4411 - page 10

    7.4 GROUND FAULT Indicator If, with built-in NRS 90207 a ground fault condition at one of the power outputs occurs, the c orresponding red GROUND FAULT indicator (6) lights and a fault-message is transmitted to the PROMATRIX M anager DPM 4000. The power amplifier keeps up normal operation during the occurrence of this faul t-type. After solving the ...

  • Dynacord DPA 4411 - page 11

    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 description in diagram 7, adjust the switches S801 ...

  • Dynacord DPA 4411 - page 12

    diagram 9 Printed board assembly 89019.1 showing the position of the modules NRS 90206 and NRS 90207 9.1.2 Checking The Function Of The NRS 90206: With built-in NRS 90206 and powered-on amplifier, the READY-indicators (7) have to light. Us e the check and reset-button TEST (3) to check the functioning of the pilot tone surveillance. When hold ing t ...

  • Dynacord DPA 4411 - page 13

    9.2.2 Checking The Function Of The NRS 90207: With built-in NRS 90207 and powered-on amplifier, the READY-indicators (7) have to light. Wh en using an external switch to shortcut one pole of the 100 V speaker network via a 47 k ohms resisto r and the safety earthing conductor for approximately 5 seconds, the corresponding GROUND FAULT ind icator (6 ...

  • Dynacord DPA 4411 - page 14

    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 f or retrofitting an output transformer. Herefore, you will need the extensio ...

  • Dynacord DPA 4411 - page 15

    11. Ground Lift Switch CIRCUIT ⊥ TO CHASSIS SWITCH Using the ground lift switch CIRCUIT ⊥ TO CHASSIS SWITCH (22) lets you separate the audio signal ground from the enclosure ground (safety earthing). This helps to solve problems with hum or n oise without jeopardizing safety standards. If several units with ground lift switch are installed in a ...

  • Dynacord DPA 4411 - page 16

    Caution For safety reasons make sure that after reassembling, wires running underneath the mains-input printed board assembly 86243 are run with a minimum distance of at least 6 mm. diagram 11 Printed board assembly 85272 showing the position of the DC-fuses F502 to F507 34 ...

  • Dynacord DPA 4411 - page 17

    13. DPA 4411 Specifications Power supply on mains operation: operation voltage 115 V / 230 V~ AC, ±10 % mains frequency range 50 - 60 Hz safety class I mains operation U mains [V] I mains [A] P mains [VA] P mains [W] P out [W] P v [W] Standby 0idling Normal operation (-10 dB) Alarm (-3 dB) Nominal conditions 230 230 230 230 230 0,016 0,29 1,64 3,2 ...

  • Dynacord DPA 4411 - page 18

    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 60 Hz .. 20 kHz environmental temperature +5 ? ...

Manufacturer Dynacord Category Stereo Amplifier

Documents that we receive from a manufacturer of a Dynacord DPA 4411 can be divided into several groups. They are, among others:
- Dynacord technical drawings
- DPA 4411 manuals
- Dynacord product data sheets
- information booklets
- or energy labels Dynacord DPA 4411
All of them are important, but the most important information from the point of view of use of the device are in the user manual Dynacord DPA 4411.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Dynacord DPA 4411, service manual, brief instructions and user manuals Dynacord DPA 4411. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Dynacord DPA 4411.

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A complete manual for the device Dynacord DPA 4411, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Dynacord DPA 4411 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Dynacord DPA 4411.

A complete Dynacord manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Dynacord DPA 4411 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Dynacord DPA 4411, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Dynacord DPA 4411, that we can find in the current document
3. Tips how to use the basic functions of the device Dynacord DPA 4411 - which should help us in our first steps of using Dynacord DPA 4411
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Dynacord DPA 4411
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Dynacord DPA 4411 in a specific country, if it was not possible to solve the problem on our own.

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