USB Mix Three Channel Mic-Inst-Line Mixer - Computer Interface User's Manual
IMPORTANT SAFETY INSTRUCTIONS - READ FIRST This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltages inside the enclosure that may be sufficient to constitute a risk of shock. This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the accompanying literature. Please read the manual. Read instructions Retain these safety and operating instructions for future reference. Heed all warnings printed here and on the equipment.
OVERVIEW The ART USB Mix Three Channel Microphone, Instrument, and Line Mixer / Computer Interface is a compact versatile audio interface for your computer that converts analog signals from a variety of audio sources to a digital signal that your computer understands. It can also be used as a standalone mixer through the main mix outputs. The USB Mix provides a great starting point for personal home studio recording or for anyone wanting to do mobile location recording.
INSTALLATION 1) Connect your audio device cables to the XLR or 1/4" TS CH1 INPUT or 1/4" TRS CH2-CH3 INPUT connectors. If you're using the CH1 INPUT with a 1/4" TS plug, next select the INST-Hi-Z or LINE setting. 2) Connect the USB Mix USB TO COMPUTER connection on the back panel to the appropriate USB input on your computer, using the supplied USB cable. You can also connect cables between the MAIN MIX OUTPUT 1/4" TRS jacks and an analog audio input such as an amplifier.
CONNECTIONS CH1 INPUT The channel one input is a combination XLR or 1/4" TS jack. The XLR input is balanced and has switchable phantom power. It is designed for microphones and other balanced output audio sources. The 1/4" TS jack is unbalanced and has switchable impedance characteristics. It is designed for linelevel signals or musical instrument outputs, such as an electric guitar. CH2-CH3 INPUTS The channel two and three inputs are 1/4" TRS jacks.
CONTROLS and INDICATORS 1/4" INPUT IMPEDANCE (CH1 INPUT) This pushbutton switch controls the impedance a signal sees when connected to the CH1 INPUT 1/4" TS jack. In the LINE (out) position, the signal sees a lower impedance, suitable for line-level signals, including the outputs of keyboards, acoustic guitars with on-board preamps or bass with active pickups. In the INST - HI-Z (in) position, the signal sees a higher impedance, suitable for instruments such as an electric guitar.
USB COMPUTER SETTINGS Once the USB connection is made and your computer is on, your computer will power the USB interfaces circuitry over the USB bus and the unit will automatically connect and try to set your computer “Default Audio Device” to be “USB Audio CODEC”. Usually the computer will do this automatically whenever a USB device is first connected, but it is sometimes necessary to make the selection manually.
WINDOWS XP Start=>Settings => Control Panel => Sounds and Audio Devices => Audio Choose the Sound playback and recording Default device: “USB Audio CODEC” Or Programs =>Accessories =>Entertainment =>Volume Control=> Options=> Properties Choose the mixer device: “USB Audio CODEC” Or WINDOWS 98SE Settings => Control Panel => Multimedia Choose the preferred device: “USB Audio Device” Mac OS X+ System Preferences => Sound. Choose: “USB Audio CODEC” Mac OS 9.1+ Control Panels => Sound.
WARRANTY INFORMATION Limited Warranty Applied Research and Technology will provide warranty and service for this unit in accordance with the following warrants: Applied Research and Technology, (ART) warrants to the original purchaser that this product and the components thereof will be free from defects in workmanship and materials for a period of three years from the date of purchase.
SERVICE The following information is provided in the unlikely event that your unit requires service. 1. Be sure that the unit is the cause of the problem. Check to make sure that the unit has power supplied, that all cables are connected correctly, and that the cables themselves are in working condition. You may want to consult with your dealer for assistance in troubleshooting or testing your particular configuration. 2. If you believe that the ART unit is at fault, go to www.artproaudio.com.
SPECIFICATIONS Input Connections XLR balanced / 1/4" unbalanced “Combo” jack (Ch1 input) 1/4" balanced or unbalanced (Ch2-Ch3 inputs) Output Connections 1/4" TRS balanced (Main Mix outputs) 1/4" TRS stereo (Monitor output) Input Impedance 240k Ohms (Inst-HiZ), 20k Ohms (Line) (Ch1, Ch2-Ch3 1/4" inputs) >4k Ohms (Ch1 XLR input) Output Impedance <1k Ohms (balanced 1/4"), <500 Ohms (unbalanced 1/4") 100 Ohms (Monitor output) Frequency Response 20 Hz – 20 kHz (+0, -1 dB) THD <0.
www.artproaudio.com E-mail: cserve@artproaudio.com © 2011 Applied Research & Technology USB Mix 183-5004-101 V1.
