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DMA8825 / DMA8813 / DMA8425 / DMA8413

Mounting Holes

These holes are for mounting the DMA device on a

standard 19” rack.

Output Level Control Knob 1 – 8

(DMA8825/DMA8813)

or 1 -4

(DMA8425/DMA8413)

Every output channel is equipped with a rotary knob for

adjusting the final output level.

LED

Every input channel is equipped with a 4-segment IN

LED, plus with a CLIP/PORT indicator.

BRIDGE

LED

This LED lights when the channel is bridged with another

channel�

* Every input channel is equipped with 1 control knob,

LED and 1

BRIDGE

LED�

Cooling Inlet Vents

Cool air is drawn here�

Reset Button

A pinhole button is included, for resetting the DMA

device to the factory default values�

Indicators

POWER:

Lights when the device is on�

DISABLE:

Lights when the power switch is disabled.

STANDBY/UNLOCK:

Lights when DMA device is in the

Standby mode.

PROTECT:

Lights when the protect circuity is active�

Power Switch

Flick this switch to turn the unit on and enter it into

STANDBY mode.

WARNNING:

The DMA requires 2 minutes to be fully

discharged after the power is off, or it cannot power on

properly�

3. CONTROLS and I/O
FRONT PANEL

Содержание DMA8413

Страница 1: ...User s Manual Digital Matrix Amplifier DMA8825 D M A 8 8 1 3 DMA8425 D M A 8 4 1 3 ...

Страница 2: ...I O 3 FRONT PANEL 3 REAR PANEL 4 INSTALLATION AND SETUP 5 RACK MOUNTING 5 CONNECTION 5 CONTROL SOFTWARE 10 SPECIFICATIONS 17 PARAMETERS 18 Asystems reserves the right to alter any information contained within this manual without prior notice V1 1 09 30 2015 TABLE OF CONTENTS ...

Страница 3: ...uired when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 CAUTION These servicing instructions are reduce the risk of electric shock do not perform any servicing other than that contained in the do so 16 buil...

Страница 4: ... The software offers full performance monitoring for each processor giving real time information on the load placed upon DSPs 2 FEATURES 8 input channels available via 3 pin Euroblock connections and stereo RCA inputs Full controlled onboard software accessible with VGA display and USB mouse connected Built in multi channel amplifier runs for low impedance or line distribution application 40 bit f...

Страница 5: ...y input channel is equipped with 1 control knob 1 IN LED and 1 BRIDGE LED 5 Cooling Inlet Vents Cool air is drawn here 6 Reset Button A pinhole button is included for resetting the DMA device to the factory default values 7 Indicators POWER Lights when the device is on DISABLE Lights when the power switch is disabled STANDBY UNLOCK Lights when DMA device is in the Standby mode PROTECT Lights when ...

Страница 6: ...r Two types of input connector offered Euroblock and balanced 14 TRS 12 OUTPUT Connector DMA8825 DMA8813 DMA845 DMA8413 adopts 3 pin Euroblock output connectors as the line out interface Those connectors can be set as balanced or unbalanced See section Installation and Setup 13 Digital I O Expansion Card Slot For installing ASYSTEM s DT22 DT44 DT88 Dante Networking card to enable DMA8825 DMA8813 D...

Страница 7: ...Phillips screws 4 2 CONNECTION Connect all necessary input and output devices AUDIO INPUT Input can be achieved through correctly wiring the Euroblock connectors and RCA connectors 4 INSTALLATION AND SETUP 4 1 RACK MOUNTING Euroblock connectors RCA connectors Balanced PIN 1 Shield Ground PIN 2 Colde PIN 3 Hot Unbalanced PIN 1 Shield Ground PIN 2 Link to PIN 1 PIN 3 Hot ...

Страница 8: ...to the pin of the next even channel When bridged the pin of the even channel becomes the pin of the bridged new output OUTPUTS Offering unamplified signal OUTPUTS connectors can be also connected as Balanced or Unbalanced AUX output if wired to do so DIGITAL I O EXPANSION CARD 1 Loosen the two screws and remove the cover plate 2 Connect the DT22 DT44 DT88 Dante Networking card 3 Tighten the two sc...

Страница 9: ...mouse REMOTE CONTROL 1 RM 4 Remote Preset Recall Control With AYSTEMS RM 4 Remote Preset Recall connected to the PRESET connector and some configurations on the control software 4 presets can be accessed via pressing a button 2 RM 2VR REMOTE CONTROL Please connect the AYSTEMS RM 2VR Remote control to the REMOTE LEVEL CONTROL connector of the DMA 8825 You can assign any configurations on the contro...

Страница 10: ...remotely 4 WINDOWS based PC DMA8825 DMA8813 DMA845 DMA8413 can be controlled via a connected Windows based PC 1 Connect the Ethernet port of the DMA to the Ethernet port of your computer with commercial CAT5 RJ 45 Ethernet cable 2 On your PC goes to Open Network and Sharing Center 4 Click Properties button 3 Double click the enabled item next to the Connections 5 Select the Internet Protocol Versi...

Страница 11: ...hange the IP address to 192 168 10 3 and then click OK 8 On the Login box enter as follows to log in IP Address 192 168 10 200 User Name USER_1 Password ASYSTEMS 7 Launch the control software by double clicking the executable file 9 Click ...

Страница 12: ...licking this green bar switches to Control Panel tab Clear Clicking this button rests all DSP configurations Channel In Matrix In this page you can assign every input source to every input channel by clicking a cell in the cell matrix Example To assign input source 1 and 2 to the Channel In 1 and Input source 2 to Channel In 2 METER PRE METER POST To set all input sources to be affected by the on ...

Страница 13: ...xer When this funciotn enabled ALC and DUCK work simultaneously Network Matrix In this page you can assign which kind of input source to be output via the connected Dante card All controls are as same as controls under the Channel In Matrix tab except Channel Out To view output channel the last output control in the singal path effected by the Control Panel tab LIM To enable disable the built in L...

Страница 14: ...ressors limiters equalizers etcetera Limiter This button will activate the internal limiter function for the corresponding channel Duck Activate the ducking feature by pushing this button The duck function can be activated as ducker 1 ducker 2 or off the settings of which are decided by their respective menus INV This button will invert the phase of the corresponding signal ON OFF This button will...

Страница 15: ...rovide a name or description to your event Location Describe the location of where the event will occur Date Set the date to begin your event Time Set the time the event should occur down to the very second Type Select the type of event you are setting here Available types include power change channel mute relay and SD card Action The action can be selected between on and standby Period In the per...

Страница 16: ...ime it takes for the ducking feature to kick in after the source signal passes the selected threshold Release The release time control will determine the time the duck feature will remain active as the source signal drops back below the set threshold ALC Auto Level Control An autoleveler will allow users to dynamically change the level of an input or output signal to match a predefined level set b...

Страница 17: ...or when the signal bypasses the selected threshold Side Chain HPF This allows users to set a high pass filter on these channels to essentially help rid these channels of low frequency noise System System Clock This menu allows you to select a master clock source for digital devices Selecting 44 1 or 48 kHz will set the DMA as the master clock source and determine the sampling rate Selecting AES EB...

Страница 18: ...SB flash drives to save settings Also available in the Utility menu is a firmware update button When a new version of firmware is available it can be installed using the Update button Place the firmware update file on a formatted USB flash drive and insert it into a USB port The Update button should take care of the rest After the firmware is updated the initialize button can be selected to reset ...

Страница 19: ... typical 8 ohm load 10dB below rated power 0 5 0 5 0 5 0 5 Distortion THD N typical 8 ohm load 10dB below rated power 20Hz 20kHz 0 5 0 5 0 5 0 5 Frequency Response 20Hz 20kHz 1dB 20Hz 20kHz 1dB 20Hz 20kHz 1dB 20Hz 20kHz 1dB Damping Factor 8 ohm load 1kHz 250 250 250 250 Input Impedance 20K Ohm balanced 20K Ohm balanced 20K Ohm balanced 20K Ohm balanced Maximum Input Level 24dB 24dB 24dB 24dB Cooli...

Страница 20: ...Hz to 20 kHz Range 12dB to 12dB Q1 6 to 10 Filters Type HPF 6 dB 12 dB 18dB 24dB LPF 6 dB 12 dB 18dB 24dB High Shelf Low Shelf Peak APF BPF Notch Gain 18 dB to 18 dB Frequency 20 Hz to 20 kHz Q0 1 to 10 Feedback Silencer Threshold 50 dB to 0 dB Release Time 10 sec dB to 300 sec dB Gain 20 dB to 0 dB Frequency 20 Hz to 20 kHz Q4 5 to 10 VCA Gain to 6 dB Automatic Level Control In Target 0 dB to 50 ...

Страница 21: ...19 DMA8825 DMA8813 DMA8425 DMA8413 ...

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Страница 24: ...www asystems sys com ...

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