Page 2 - AVIS; ATTENTION; SAFETY INSTRUCTIONS; TABLE OF CONTENTS; CAUTION; — Internal lithium battery.; WARNING; — To reduce the risk of fire or electric
DX8 – 2 CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL ATTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, N...
Page 3 - INTRODUCTION; KEY FEATURES
DX8 – 3 2. INTRODUCTION The DX8 is a DSP-based digital audio mixer and signal 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-zon...
Page 4 - FRONT PANEL FEATURES; The EQ meters do not indicate signal level.
DX8 – 4 TRIM BUS A U +20 -20 TRIM 1 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 DIRECT OUTPUTS POWER INPUT 22-28V DC, 3A MA X 2 3 4 5 6 7 8 1 – + G G + – MIC LINE LINE LINE LINE MIC LINE MIC LINE MIC LINE MIC LINE MIC LINE...
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 - and; This is identical to the
DX8 – 6 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 - INSTALLATION; APPLICATION DIAGRAMS; cal
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 - pi
DX8 – 8 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 C , 3A 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; ard R
DX8 – 10 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 C, 3 A M A X 23456781 – + G G + – M...
Page 11 - Application Diagrams; A: Typical Stereo Application
DX8 – 11 Application Diagrams A: Typical Stereo Application This diagram depicts a simple setup, using the DX8 in a stereo application. A microphone isconnected to the MIC input on channel 1 for paging purposes, and several program sources are connectedto the LINE inputs on channels 3 through 8. B: ...
Page 12 - Connections; Connecting Balanced Sources; Connecting Unbalanced Sources; Connecting the DIRECT OUTPUTS; DIRECT OUTPUT; Connecting the RECORD Outputs
DX8 – 12 Connections Connecting Balanced Sources Use high-quality three-conductor cable for balanced connections, such as Star Quad byBelden, Canare, Mogami, etc. The better the shield,the better the audio signal is protected frominduced EMI and RFI. Note: With screw-down connectors, it's best to us...
Page 13 - Connecting the LOGIC I/O; 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 - OPERATION; Set the Levels; MIC and LINE Input Trim; Input Mix Levels; Quick Start; Make the Connections
DX8 – 14 4. OPERATION Set the Levels MIC and LINE Input Trim The analog trim controls on the rear panel are not adjustable via the control software since theseare in the analog domain, prior to the A/D converters.To adjust the MIC and LINE TRIM controls: 1. Start the program source playback for Inpu...
Page 16 - Connecting One or More Remote Controls
DX8 – 16 DIRECT OUTPUTS The DIRECT OUTPUTS provide an unbalanced line-level signal from each of the 8 Input channels.This signal 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 connect...
Page 17 - Front Panel Lock
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; COMM PORT; Connecting a PC
DX8 – 18 Upgrading the Software From time to time, Mackie Designs will release upgrades for the internal operating software in theDX8. This can be downloaded from our website( www.mackie.com ) to a PC-compatible computer. Use the serial port on the computer to connect tothe COMM PORT on the DX8 to t...
Page 19 - File
DX8 – 19 Overview The DX8-PC software application provides real- time control and configuration editing for the DX8using a laptop 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 pr...
Page 20 - Advanced; DX8 Unit Info
DX8 – 20 Advanced DX8 Unit Info This opens a dialog box that contains the following information about the DX8 that is currently connected: Firmware Upgrade This allows you to select an OS Upgrade File to upload to the DX8 as they become available. Clickon the Select File button in the Firmware Upgra...
Page 21 - Windows; Indicators and Presets; Active Logic Inputs
DX8 – 21 Windows About This provides information about the DX8-PC software 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 on the s...
Page 22 - Save To Preset; Clear Edits
DX8 – 22 Presets The DX8 stores up to 16 presets, which can be recalled 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 settings on the DX8 to a preset. The "...
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 Graphic Equalizer window for the A and B outputs. Click anddrag on a slider knob to adjust the EQ. Th...
Page 25 - 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
DX8 – 26 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 - 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
DX8 – 28 Mid Peaking EQ These two knobs control the gain ( ± 15 dB) and the center frequency (20Hz-20kHz) of the channelmid-frequency peaking EQ. Click and drag up ordown to increase or decrease the settings of thesecontrols. The actual settings are displayed in thetwo boxes above the knobs. Low She...
Page 29 - Output Strip; Meter; Noteworthy Details
DX8 – 29 Output Strip Meter The output meter indicates the output signal level just after the output gain control and just priorto the D/A converter stage. These meters indicatethe signal level in real time relative to maximumoutput level (+18 dBu) and follow the meters on thefront panel, with the e...
Page 30 - SPECIFICATIONS; DX8 Block Diagram
DX8 – 30 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
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 33 - Disclaimer; Mackie Designs continually engages in research; Service Information; In the event that your DX8 should require
DX8 – 33 Disclaimer Mackie Designs continually engages in research related 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 Mackie product may di...
Page 34 - Appendix B: Logic Output Functions; Logic Output; Appendix A: Logic Input Functions
DX8 – 34 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 - 6 2 2 0 Wo o d - R e d R o a d N E • Wo o d i nv i l l e, WA 9 8 0 7 1 • U S A
Mackie Designs Inc. 1 6 2 2 0 Wo o d - R e d R o a d N E • Wo o d i nv i l l e, WA 9 8 0 7 1 • U S A U S a n d Ca n a d a : 8 0 0 . 8 9 8 . 3 2 1 1 Eu ro p e, As i a , Ce n t ra l a n d S o u t h A m e r i c a : 4 2 5 . 4 8 7 . 4 3 3 3 M i d d l e E a s t a n d Af r i c a : 3 1 . 2 0 . 6 5 4 . 4 0 0...
