Dateq DDA-43DT User Manual
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Dateq DDA-43DT User Manual

Network dsp power amplifier
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DDA-43DT
Network DSP POWER AMPLIFIER
4x0 Dante channels
User manual

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Summary of Contents for Dateq DDA-43DT

  • Page 1 DDA-43DT Network DSP POWER AMPLIFIER 4x0 Dante channels User manual...

  • Page 2: Table Of Contents

    Contents Chapter 1 Introduction .......................... - 1 - Chapter 2 Technical parameters ......................- 2 - Chapter 3 Functions structure ....................... - 3 - Chapter 4 Operation of control software - MusicAllDSP ............... - 7 - 4.1 Operating condition ......................... - 7 - 4.2 Connect to PC ..........................

  • Page 3: Chapter 1 Introduction

    NETWORK DSP POWER AMPLIFIER Chapter 1 Introduction DDA-43DT is a 4 channel network DSP power amplifier, integrated with DSP processor, IPS color display and other powerful functions. This power amplifier supports a variety of input methods: analog\Dante network. User can select each analog or Dante signal with its priority, which realize signal backup function.

  • Page 4: Chapter 2 Technical Parameters

    Chapter 2 Technical parameters Product DDA-43DT Amplifier channels 4Ω 8Ω Output power 450W 300W 2x 900W in bridge mode 100V output power 2x 900W@100V in bridge mode 70V output power 2x 612.5W@70V in bridge mode Max. output voltage Max. output current Min.

  • Page 5: Chapter 3 Functions Structure

    NETWORK DSP POWER AMPLIFIER Chapter 3 Functions structure - 3 -...
  • Page 6 Description of display Long press “Enter” 2 second to unlock Device name Current preset Temperature Device volume Main page Mute status Channels gain Gain level control Limiter status...
  • Page 7 NETWORK DSP POWER AMPLIFIER Menu Channels Volume Channels gain Mute Presets Input Sensitivity Source Analog 0dBu Dante 6dBu - 5 -...
  • Page 8 Status...

  • Page 9: Chapter 4 Operation Of Control Software - Musicalldsp

    NETWORK DSP POWER AMPLIFIER Chapter 4 Operation of control software - MusicAllDSP MusicAllDSP provides the user a fast interaction to control one or more devices through multiple methods: TCP/IP, USB, common serial port (RS232/485). Easily set DSP functions of device, GPIO control and check central control codes.The configuration can be stored in presets, convenient for various applications.

  • Page 10: Connect To Pc

    4.2 Connect to PC If you connect the device by using network cable, click Setting Device List, choose Connection window. If you connect the device by using USB A-B, click Setting in Device List, choose USB in Connection window. If you connect the device by using serial cable, click Setting in Device...
  • Page 11 NETWORK DSP POWER AMPLIFIER When using TCP control, there is a situation that only one point is displayed after scanning, but you can not connect the device. In this case change the IP address of the device to the same network range as the computer.

  • Page 12: Dsp Functions Setting

    Users can link a multiple of the same devices in groups by clicking the Link button, and then set group device, group name and main device, link mode and parameter according to needs. 4.3 DSP functions setting Double-click HOME icon to open all functional interfaces, or double-click a function icon separately to open the corresponding interface.

  • Page 13: Dsp Functions Setting - Input (Support Dante/Analog Backup)

    NETWORK DSP POWER AMPLIFIER 4.3.1 DSP functions setting - INPUT (Support Dante/Analog backup) Set source of each channel;  Set sensitivity of each channel  0/6dBu;  Set gains, phase or mute in each channel;  When choosing test signal, users can select Sine/Pink Noise/White Noise for each input channel.

  • Page 14: Dsp Functions Setting - Noise Gate

    4.3.2 DSP functions setting - NOISE GATE  Attack: 1 to 2895ms;  Release: 1 to 2895ms; Threshold: -120 to 0dBu;   Click to enable this function. 4.3.3 DSP functions setting - PEQ-X (input and output) High pass filter enter value of frequency and select type, press to enable this function: Butterworth 6/12/18/24/36/48, Bessel 12/24/36/48, Linkwitz-Riley 12/24/36/48.
  • Page 15 NETWORK DSP POWER AMPLIFIER Users can also drag the frequency dot on the curve to adjust. PEQ 10 bands for output channel Type: PEQ/LSLV/HSLV/ALLPASS-1/ALLPASS-2; Freq(Hz) Q Gain(dB): input value or use mouse pulley to set value; Users can also drag the frequency dot on the curve to adjust. Phase curve: display the phase curve of the current channel.

  • Page 16: Dsp Functions Setting - Delay (Input And Output)

    4.3.4 DSP functions setting - DELAY (input and output)  Max 100ms for input channel;  Max 20ms for output channel;  Click to enable this function;  Click to reset each channel;  User switch ft/cm/ms measurement for delay. 4.3.5 DSP functions setting - MATRIX MIX In the above figure, input channel (on top side) corresponds to output channel.

  • Page 17: Dsp Functions Setting - Compressor

    NETWORK DSP POWER AMPLIFIER 4.3.6 DSP functions setting - COMPRESSOR Soft knee: 0 to 30;  Threshold: -90 to 21 dB;   Attack: 1 to 2895 ms;  Ratio: 1 to 100;  Release: 1 to 2895 ms;  Click to enable this function;...

  • Page 18: Monitoring And Setting Of Channels

    4.4 Monitoring and setting of channels User can monitor gains level of input and output channels. 4.4.1 Channel gain level There are 3 kinds of input signal in some products: ANALOG, DANTE network audio, testing signal and AutoMix (analog and Dante). It will show a label for user. Input value, drag gain fader or use mouse pulley to set value of gain.

  • Page 19: Menu - File

    NETWORK DSP POWER AMPLIFIER M Mute M Mute E PEQ + Phase D Delay N Noise Gate C Compressor E PEQ L Limiter D Delay + Phase Channels link for input Channels link for output When click link button, Channels Link window would show as below: Select the corresponding channels to link, they will be in group for user to set parameter.

  • Page 20: Menu - Device

    Save as: save the current equipment management project to the computer disk. 4.6 Menu - Device Devices: view or modify the software version information, device name and device IP address of the upper and lower computer of the device. Set password of device. Channel name: set the name of each input and output channel, with memory function.

  • Page 21: Menu - Connection

    NETWORK DSP POWER AMPLIFIER 4.7 Menu - Connection Port: set the connection mode, port number and baud rate, confirm the connection mode and then select the corresponding port. Connect: connect and download the device parameter. Disconnect: disconnect the connected device. Connect all: connect and download the device parameter of all devices in the device list.

  • Page 22: Menu - System

    Import preset package: import the preset package file containing multiple presets on the computer. Export preset package: pack multiple presets in the machine’s preset into one preset package and export it to the computer. 4.9 Menu - System Language: multi-language switching, supports simplified, traditional, and ENGLISH. About: current control software and device firmware version information.
  • Page 23 NETWORK DSP POWER AMPLIFIER Some calculation: Frequency resolution = Sampling/Taps Available min. frequency ≈ Frequency resolution*3 Means when use adjust audio signal with 48kHz, 1024 taps, FIR filters will take effect in frequency above 141Hz of audio signal. The taps value more high, the FIR filter curve more steep.
  • Page 24 FIR audio processor or DSP ×1 network power amplifier Speaker ×1 Connection schematic diagram: 4.10.2 Using FIR DESIGNER in MusicAllDSP to adjust FIR magnitude and phase Beside using third party software, MusicAllDSP provides the user a more convenient way to adjust FIR magnitude and phase of each channels. There are two ways to open FIR DESIGNER interface:...

  • Page 25: Fir Designer - Import

    NETWORK DSP POWER AMPLIFIER ① Click “FIR” - “Designer” button to enter FIR automatic linear magnitude and phase function interface. ② Or click “FIR DESIGNER” in main interface to enter FIR automatic linear magnitude and phase function interface, which can quickly help user return to the page he set last time.

  • Page 26: Fir Designer - Fir-Eq

    4.10.2.b FIR DESIGNER - FIR-EQ There are High pass filter and low pass filter for setting frequency divider, and 15 bands of PEQ \ LSLV \ HSLV to adjust magnitude. Try to set a linear magnitude of target speaker. Mark: changing FIR magnitude doesn’t effect its phase. 4.10.2.c FIR DESIGNER - Magnitude Correction and Phase Correction Of course, if there are too many speakers to be adjust, user has to spend a long time manually adjusting their magnitude.

  • Page 27: Fir Designer - Generate

    NETWORK DSP POWER AMPLIFIER 4.10.2.d FIR DESIGNER - Generate Select Taps (such as 512) of this adjustment, and store it in a FIR channel. User can also name this FIR adjustment and export it to a .KF file. After finish all setting, return back to FIR interface.

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