Page 2 - SAFETY INSTRUCTIONS; TABLE OF CONTENTS; CAUTION —; Internal lithium battery. Danger; AVIS; WARNING —; To reduce the risk of fire or
2 – DX8 1. SAFETY INSTRUCTIONS 1. Read Instructions — Read all the safety and operation instructions before operating the DX8. 2. Retain Instructions — The safety and operating instructions should be kept for future reference. 3. HEED ALL WARNINGS — Follow all warnings on the DX8 and in these operat...
Page 3 - KEY FEATURES
DX8 – 3 2. INTRODUCTION The DX8 is a DSP-based digital audio mixer andsignal processor designed for use in a variety ofinstallations such as churches, courtrooms,convention centers, and hotels. It provides eightuniversal inputs and two balanced outputs allowingtrue 8x2 mixing for stereo or dual-zone...
Page 4 - FRONT PANEL FEATURES; EQ LED DISPLAY; The EQ meters do not indicate signal level.; MASTER OUTPUT LED DISPLAY; MASTER; INPUT UP/DOWN BUTTONS
4 – DX8 OL 247 1015202530354050 OL 247 1015202530354050 OL 247 1015202530354050 OL 247 1015202530354050 OL 247 1015202530354050 OL 247 1015202530354050 OL 247 1015202530354050 12 15 963 0 369 1215 2 OL 47 1015202530354050 1 2 3 4 5 6 7 8 HI LO EQ A MASTE TRIM BUS A U +20 -20 TRIM 1 TRIM BUS B U +20 ...
Page 5 - REAR PANEL FEATURES
DX8 – 5 2 OL 47 1015202530354050 A B LOCK MODE POWER COMM PORT B A MASTER DX8 DIGITAL MIXER B REMOTE BUS A RECORD A B OUTPUTS LOGIC I/O TRIM 8 MI C GAIN 0 60 TURING DATE COMM PORT 1 2 3 4 5 6 7 8 LINE MIC -30dB +30dB U N 0 0dB PHANTOM POWER 48V DC 12 1 +5V 11 G 1 G + – G + – G + – INPUTS OUTPUTS ON ...
Page 6 - RECORD Out; REMOTE BUS; COMM PORT; This is identical to the; EXPANSION SLOT
6 – DX8 B REMOTE BUS TRIM BUS A U +20 -20 A TRIM 1 RECORD A B OUTPUTS LOGIC I/O TRIM BUS B U +20 -20 TRIM 2 TRIM 3 TRIM 4 TRIM 5 TRIM 6 TRIM 7 TRIM 8 MI C GAIN 0 60 – + SERIAL NUMBER MANUFACTURING DATE COMM PORT DIRECT OUTPUTS 1 2 3 4 5 6 7 8 POWER INPUT 22-28V DC, 3A MA X 2 3 4 5 6 7 8 1 – + G G + ...
Page 7 - APPLICATION DIAGRAMS; ypical Stereo Application
DX8 – 7 3. INSTALLATION APPLICATION DIAGRAMS B REMOTE BUS TRIM BUS A U +20 -20 A TRIM 1 RECORD AB OUTPUTS LOGIC I/O TRIM BUS B U +20 -20 TRIM 2 TRIM 3 TRIM 4 TRIM 5 TRIM 6 TRIM 7 TRIM 8 M IC G A IN 06 0 – + SERIAL NUMBER MANUF A CTURING D A T E COMM PORT DIRECT OUTPUTS 12345678 POWER INPUT 22 -28V D...
Page 8 - ypical T
8 – DX8 B REMOTE BUS TRIM BUS A U +20 -20 A TRIM 1 RECORD AB OUTPUTS LOGIC I/O TRIM BUS B U +20 -20 TRIM 2 TRIM 3 TRIM 4 TRIM 5 TRIM 6 TRIM 7 TRIM 8 M IC G A IN 06 0 – + SERIAL NUMBER MANUF A C TURING D A TE COMM PORT DIRECT OUTPUTS 12345678 POWER INPUT 22 -28V D C, 3 A M A X 23456781 – + G G + – MI...
Page 9 - C: Two DX8s in Church Application
DX8 – 9 B REMOTE BUS TRIM BUS A U +20 -20 A TRIM 1 RECORD A B OUTPUTS LOGIC I/O TRIM BUS B U +20 -20 TRIM 2 TRIM 3 TRIM 4 TRIM 5 TRIM 6 TRIM 7 TRIM 8 MI C GAIN 0 60 – + SERIAL NUMBER MANUFACTURING DATE COMM PORT DIRECT OUTPUTS 1 2 3 4 5 6 7 8 POWER INPUT 22-28V DC, 3A MA X 2 3 4 5 6 7 8 1 – + G G + ...
Page 10 - Zone A; D: Board Room Application with T
10 – DX8 B REMOTE BUS TRIM BUS A U +20 -20 A TRIM 1 RECORD AB OUTPUTS LOGIC I/O TRIM BUS B U +20 -20 TRIM 2 TRIM 3 TRIM 4 TRIM 5 TRIM 6 TRIM 7 TRIM 8 M IC G A IN 06 0 – + SERIAL NUMBER MANUF A CTURING D A TE COMM PORT DIRECT OUTPUTS 12345678 POWER INPUT 22 -28V D C, 3A M A X 23456781 – + G G + – MIC...
Page 11 - Application Diagrams; A: Typical Stereo Application
DX8 – 11 Application Diagrams A: Typical Stereo Application This diagram depicts a simple setup, using the DX8in a stereo application. A microphone is connectedto the MIC input on channel 1 for paging purposes, and several program sources are connected to the LINE inputs on channels 3 through 8. B: ...
Page 12 - CONNECTIONS; Connecting Balanced Sources; To connect a balanced mic or line-level signal:; Connecting Unbalanced Sources; To connect an unbalanced line-level signal:; Unbalanced Connection; Connecting the DIRECT OUTPUTS; DIRECT OUTPUT; DIRECT OUTPUTS Pinout Connection; Connecting the RECORD Outputs
12 – DX8 CONNECTIONS Connecting Balanced Sources Use high-quality three-conductor cable for balancedconnections, such as Star Quad by Belden, Canare,Mogami, etc. The better the shield, the better theaudio signal is protected from induced EMI and RFI. Note: With screw-down connectors, it's best to us...
Page 13 - Connecting the LOGIC I/O; LOGIC I/O Pinout Connection; LOGIC INPUT Connection; LOGIC OUTPUT Connection; Connecting the REMOTE BUS; AC POWER CONSIDERATIONS
DX8 – 13 Strip the wire back about 1/4" inch, insert the wire as far as it will go into the appropriate hole inthe supplied Phoenix-type connector, and tightendown the screw with a small slot-head screwdriver.It is recommended that you use 20 or 22 gaugewire with the Phoenix-type connectors. The...
Page 14 - Set the Levels; MIC and LINE Input Trim; Input Mix Levels; If the power amplifier doesn’t have level controls:; QUICK START; Make the Connections
14 – DX8 4. OPERATION Set the Levels MIC and LINE Input Trim The analog trim controls on the rear panel are notadjustable via the control software since these arein the analog domain, prior to the A/D converters.To adjust the MIC and LINE TRIM controls: 1. Start the program source playback for Input...
Page 16 - Connecting One or More Remote Controls
16 – DX8 DIRECT OUTPUTS The DIRECT OUTPUTS provide an unbalanced line- level signal from each of the 8 Input channels. Thissignal comes from the output of the preamplifierstage on each input channel, prior to the A/Dconverter and subsequent digital signal processing. Use the DIRECT OUTPUTS to connec...
Page 17 - Logic Inputs; Force On Level; Logic Outputs
DX8 – 17 The logic functions assigned to each individual logic input and output are configured using the DX8-PC application. In addition, each logic input andoutput can be assigned a descriptive name (up to32 characters) for easier identification within thePC application. Note: Logic I/O functions a...
Page 18 - UPGRADING THE SOFTWARE; CONNECTING A PC; UPGRADING THE FIRMWARE; INSTALLING THE SOFTWARE; To install the software on a PC:
18 – DX8 4. Type <drive>:\DX8-PC\Setup in the command line (where <drive> is the letter assigned to the CDdrive, i.e., D drive, or the location on your harddrive where the file was downloaded). 5. Setup will install the DX8-PC application onto your PC. You can accept the default director...
Page 19 - OVERVIEW; In addition to input and output level control and; MENU BAR; File
DX8 – 19 OVERVIEW The DX8-PC software application provides real-timecontrol and configuration editing for the DX8 using alaptop or other PC-compatible computer. In addition to input and output level control and output EQ gain control, which is available on thefront panel, the DX8-PC application prov...
Page 20 - Advanced
20 – DX8 Advanced DX8 Unit Info This opens a dialog box that contains the followinginformation about the DX8 that is currently connected: Firmware Upgrade This allows you to select an OS Upgrade File to uploadto the DX8 as they become available. Click on the Select File button in the Firmware Upgrad...
Page 21 - Windows; INDICATORS AND PRESETS; Active Logic Inputs
DX8 – 21 Windows About This provides information about the DX8-PCsoftware application, including the version andpersonnel credits. Close Window (ESC) This closes the window that is currently selected(front-most) on-screen. Close All (Ctrl+/) This closes all windows that are currently open onthe scre...
Page 22 - Save To Preset; Clear Edits
22 – DX8 Presets The DX8 stores up to 16 presets, which can berecalled via the Presets drop-down box. Select apreset in the drop-down box and the settings areinstantly recalled from the DX8 memory. Save To Preset Click this button to save the current mixer settingson the DX8 to a preset. The "Sa...
Page 23 - BUTTONS; Views; Graphic EQ
DX8 – 23 BUTTONS Views These four buttons open the Graphic EQ,Parametric EQ, Output Compressor, and Automixviews, overlaid across the input section. Graphic EQ Click this button to open the 31-Band GraphicEqualizer window for the A and B outputs. Click anddrag on a slider knob to adjust the EQ. The ...
Page 24 - ON
24 – DX8 Compress • Ratio: This determines the change in output level as afunction of the change in input level, once thethreshold has been exceeded. It is calibrated indecibels, with a range from 1:1 (off) to 20:1. Thus, if itis set to 10:1, an increase in input level of 10 dB(assuming the input is...
Page 25 - MIX A and B Automixing Controls; Setups; Audio In
DX8 – 25 Each individual channel is attenuated by an amount, in dB, equal to the difference, in dB,between that channel’s level and the sum of all thechannel levels. This keeps the overall system gainconstant, and allows the system to delivermaximum acoustic gain without feedback. There are three pa...
Page 26 - Logic In; Logic Input
26 – DX8 Use a control group to adjust the volume of two or more channels at the same time. All faders that areassigned to a control group will have their gainsettings modified by the amount the control groupfader is increased or decreased. For example, acontrol group might be used to adjust the ove...
Page 27 - Logic Output; Applications for Logic Inputs and Outputs
DX8 – 27 Action Definitions Momentary means that the logic function is active as long as the Logic Input is held active.When the Logic Input is inactive, the logic functionis inactive. Latch On means that the logic function is active and stays active once the Logic Input changes frominactive to acti...
Page 28 - Channel Strip; TRIM
28 – DX8 Mid Peaking EQ These two knobs control the gain ( ± 15 dB) and the center frequency (20Hz-20kHz) of the channel mid-frequency peaking EQ. Click and drag up or downto increase or decrease the settings of thesecontrols. The actual settings are displayed in thetwo boxes above the knobs. Low Sh...
Page 29 - Output Strip; Noteworthy Details
DX8 – 29 Output Strip Meter The output meter indicates the output signal leveljust after the output gain control and just prior tothe D/A converter stage. These meters indicate thesignal level in real time relative to maximum outputlevel (+18 dBu) and follow the meters on the frontpanel, with the ex...
Page 30 - DX8 BLOCK DIAGRAM
30 – DX8 DIRE CT OUTPUT CHANNEL 1 32-BIT D S P CHANNELS 2-8 (IDENTICAL T O CH 1) INPUT METER INTERNAL DIGIT AL B U SES ADC 24-BIT PHANT OM PO WER +48 VDC DAC 24-BIT 31-BAND GRAPHIC E Q 5-B AND P ARAMETRIC E Q MUTE AL C AU TO AL C AU TO A B TRIM +5V PC OR O THER C ONTROL DEVIC E (OP TIONAL) PC OR O T...
Page 31 - DX8 SPECIFICATIONS; CONTROLS; INDICATORS
DX8 – 31 DX8 SPECIFICATIONS INPUTS / OUTPUTS Inputs 1-8: Balanced, Phoenix-type terminals Bus A and B: Balanced, Phoenix-type terminals, Direct to Mix Buses Master Outputs: Balanced, Phoenix-type terminals Record Outputs A/B: Unbalanced, RCA Direct Outputs 1-8: Unbalanced on DB15 (bottom row is sign...
Page 32 - PHYSICAL
32 – DX8 DX8 DIGITAL MIXER DX8 Crosstalk (1kHz relative to 0 dBu, 20Hz-20kHz bandwidth, any line input to adjacent Direct Out): Trim to unity: < –90 dB Frequency Response Mic input to any output: 20Hz–20kHz, ± 0.5 dB Equivalent Input Noise (EIN) Mic in to Direct out, max gain, 150 ohm termination...
Page 33 - DISCLAIMER; EAW Commercial is a trademark of LOUD; SERVICE INFORMATION
DX8 – 33 DISCLAIMER EAW Commercial continually engages in researchrelated to product improvement, new materials, andproduction methods. Design refinements areintroduced into existing products without notice asa routine expression of that philosophy. For thisreason, any current EAW Commercial product...
Page 34 - Appendix B: Logic Output Functions; Appendix A: Logic Input Functions
34 – DX8 Appendix B: Logic Output Functions Logic Output Function Parameter Condition Inactive None None Inp Sig Present Input 1-8 Input Signal > –40 dB Out Sig Present Output A Output A Signal > –40 dB Output B Output B Signal > –40 dB Input Chan Open Input 1-8 Input Gain > –40 dB Outpu...
Page 36 - EAW Commercial; A LOUD Technologies Inc. Company
EAW Commercial A LOUD Technologies Inc. Company EAW Commercial | Bldg 11 | One Main Street | Whitinsville, MA 01588 USA | TEL toll free within US/Canada 888.337.7404 TEL outside US 425.892.6503 | FAX 425.485.1152 | www.eawcommercial.com © 2004 LOUD Technologies Inc. All Rights Reserved.
