DMX-88 USB Mixer User Manual
DMX-88 USB Mixer User Manual Antex Electronics Corporation 19160 S. Van Ness Ave. Torrance, California 90501 www.antex.com Copyright © 2011 Antex Electronics Corporation. All Rights Reserved. No portion of this manual may be reproduced without prior written consent from Antex Electronics. Part number for this manual is 9000-2493-7006 Rev A. ASIO is a trademark and software of Steinberg Media Technologies GmbH.
DMX-88 USB Mixer User Manual Cord Protection – Route your power cords and other connecting cables out of the way of traffic so as not to be walked on or traveled over by cart wheels, or a tripping hazard may occur. Do not place items on top of or against the cord so as to pinch the cord. Overloading – Do not overload wall outlets, extension cords, or integral convenience receptacles as this can result in a risk of fire or electrical shock.
DMX-88 USB Mixer User Manual General description: The DMX-88 is an 8 channel input, 2 channel output, USB audio interface. It is intended to be connected to a host computer that will record the audio on to the computer’s hard drive. The DMX-88 will take up to 8 inputs, either microphone or line level, digitize them, and send 8 channels of audio data to the attached computer via the USB 2.0 connection.
DMX-88 USB Mixer User Manual There are 8 red/green indicator LEDs on the front of the unit, corresponding to each input channel. The LED will light green to indicate “activity” when someone is speaking into the microphone. The LED will turn red to indicate that compressor/limiter is active. These indicators are also mimicked in the Antex Mixer Program, with a 3 color indicator. Green indicates activity, yellow that the compressor/limiter is active, and red indicates the preamp is clipping.
DMX-88 USB Mixer User Manual Rear Panel Connections INPUTS 2 3 4 ANTEX ELECTRONICS 5 6 UN2493-3 7 8 1 0 1 MON 1 HP MON 2 PA USB 90-240VAC 50-60Hz 25W Inputs 1-8: These are balanced inputs on female XLR connectors and will accept dynamic microphones, condenser microphones and line level equipment such as video conferencing systems. Each input can be individually configured as line level or microphone level, with 48 volt phantom power on or off. Microphone setting boosts the gain by 46dB.
DMX-88 USB Mixer User Manual Program. The sleeve of the TRS connector is ground, the ring is cold and the tip is hot. To connect to an unbalanced input, the ring should be connected to the sleeve and used as the ground connection. The tip is then the signal connection. Using a ¼” TS plug will make this connection automatically. HP: Headphone output. This output has the identical audio signal as the PA output, but is designed to drive stereo headphones in the 8 ohm to 32 ohm range. The connector is ¼” TRS.
DMX-88 USB Mixer User Manual computer and the DMX-88 enumerates, it will switch to operational mode, and the power LED will stop flashing and be on continuously. The DMX-88 should go into standby (or suspend) if the USB cable is unplugged or the host PC is shutdown or put into a sleep state. Note that some operating systems (usually 64 bit), may put the DMX-88 into suspend if there is no software program using the device.
DMX-88 USB Mixer User Manual Installing the Software Before you can use the DMX-88, you must install the software on the host computer. This includes the "driver" and the DMX-88 Antex Configuration Program. Note that only an ASIO driver is available and you must have recording software that works with ASIO devices. There is no WDM driver, and the DMX-88 will not appear as a recording or playback device in Windows Control Panel -> Sounds.
DMX-88 USB Mixer User Manual Click on "Next", and you should see: 10
DMX-88 USB Mixer User Manual Click "Next", and you should see: 11
DMX-88 USB Mixer User Manual Click "Install" and you should see: 12
DMX-88 USB Mixer User Manual Click "Yes" and you should see: 13
DMX-88 USB Mixer User Manual Then you should see: 14
DMX-88 USB Mixer User Manual Click on "OK" and you should see: Click "Finish".
DMX-88 USB Mixer User Manual Now you can connect the DMX-88 USB cable to the computer and power it on.
DMX-88 USB Mixer User Manual Using the Antex Mixer Program 17
DMX-88 USB Mixer User Manual Input Select, Line or Microphone: These 2 buttons set the gain to match the type of input device. They are mutually exclusive, i.e. turning one on turns the other off. Microphone has 46dB more gain than Line. Phantom Power: This button turns on or off 48 volt phantom power. This can only be turned on if Microphone is selected because phantom power may damage line level equipment. Please consult the specifications of your microphone to see if phantom power is required.
DMX-88 USB Mixer User Manual Monitor All Level and Playback Level: These 2 sliders control the loudness and signal mix coming out of the Headphone (HP) and Public Address (PA) outputs. These 2 outputs are not independently controllable; the sliders will change the level in both outputs at the same time. The Monitor All signal is an analog mix of all 8 inputs. The Playback signal comes from the host computer, if your recording software supports this feature.
DMX-88 USB Mixer User Manual Block Diagram CH1 + CH2 LINE=0dB, MIC=+46dB LIMITER/ NOISE GATE HPF 100Hz CH3 LINE=0dB, MIC=+46dB LIMITER/ NOISE GATE HPF 100Hz CH4 LINE=0dB, MIC=+46dB LIMITER/ NOISE GATE HPF 100Hz CH5 LINE=0dB, MIC=+46dB LIMITER/ NOISE GATE HPF 100Hz A/D CH3 OUT -95dB TO +31.5dB + A/D CH2 OUT -95dB TO +31.5dB + - CH1 OUT -95dB TO +31.5dB + A/D A/D CH4 OUT -95dB TO +31.
DMX-88 USB Mixer User Manual MONITOR 1 + OUT OUT OUT OUT OUT OUT OUT OUT - CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 -95dB TO +31.5dB +10dB MONITOR 2 + -95dB TO +31.5dB +10dB MONITOR ALL - HEADPHONE + -95dB TO +31.5dB PB_LEFT + - PA + PB_RIGHT PLAY BACK -95dB TO +31.
DMX-88 USB Mixer User Manual Attaching Rack Mount Ears The rack ears are attached to the sides of the DMX-88 using three 6-32 by 3/8” long screws. There are 4 holes in the rack ears so that the left and right ears are identical, even though only 3 holes are used. When rack mounting the DMX-88, remove the 4 rubber feet from the bottom of the unit.
DMX-88 USB Mixer User Manual Specifications: Inputs: Number ------------------------------------------------------------------------------------ 8 Type ---------------------------------- Transformerless balanced (instrumentation amp) Connector --------------------------------------------------------------------- Female XLR Impedance to ground ------------------------------------------------------------------- 1K Sensitivity, Line setting --------------------------------------------------------31dBV Sensitiv
DMX-88 USB Mixer User Manual Headphone Output: Connector -------------------------------------------------------------------------- ¼” TRS Output power ----------------------------------------- 500mW (16 ohm load, THD = 1%) Source -------------------------------------------- D/A output or analog mix of all inputs Level control type ------------------------------------------------- Electronic (solid state) Level control step size --------------------------------------------------------------- 0.
DMX-88 USB Mixer User Manual Software: ASIO driver only, for Windows XP, Vista, and 7; 32 and 64 bit. Graphical User Interface "DMX-88 Antex Configuration" program provided. Indicators: On unit, red/green LED for each input. Green indicates activity, red indicates limiter active. Power LED Red and Green Device Number LEDs Power: Internal power supply with detachable IEC cord, 90-240 VAC. Dimensions: 13 inches wide, 10 inches deep, Max height 1U (1.75 “). Rack ears optional for 19 inch rack mounting.
DMX-88 USB Mixer User Manual 12 Month Limited Warranty Antex Electronics Corporation (the Company), warrants to the original purchaser of this product that should this product or any part thereof, under normal use and conditions, be proven defective in material or workmanship within 12 months of the original date of purchase, such defect(s) will be repaired or replaced with new or reconditioned product (at the Company’s option) without charge for parts and labor.