User Manual

11 
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  <0.01% @ 1 kHz 
CMRR >54dB typical 
Phase Response    All connections are phase coherent 
Signal to Noise Ratio  >90dB typical (Ref 0dBu) 
Equivalent Input Noise  -120dBu typical (XLR balanced, max gain), -100dBu typical (1/4") 
Maximum Input Level  +4dBu (XLR input), +14dBu (1/4" input) 
Maximum Output Level  +14dBu (Main Mix outputs), +13dBu (Monitor output) 
Maximum Gain 
  (In to Main Out)  +53dB (XLR), +32dB (1/4")  (Ch1 input) 
 +10dB (1/4") (Ch2-Ch3 inputs) 
  (In to USB)    +44dB (XLR), +23dB (1/4") (Ch1 input) 
 +1dB (1/4") (Ch2-Ch3 inputs) 
  (USB to Out)  +14dB (Main Mix outputs), +13dB (Monitor output) 
Phantom Power    Switch selectable, +48V DC, filtered, current limited 
A/D-D/A      16 Bit, 44.1 kHz or 48 kHz, USB selectable from computer 
        0.4 ms A/D latency @ 44.1 kHz 
Computer Interface   USB 2.0 compliant, Windows 7, Vista, XP, 2000, ME, 98SE 
        Mac OS 9.1 / OS X computers with native USB support, Linux 
Chassis Type    All steel black finish 
Power Requirements  5.0V DC @ <500 mA (external) or USB bus powered @ 150 mA typical 
Dimensions (HWD)    1.6" x 4.0" x 4.75" 
 41mm x 101mm x 121mm 
Weight      1.1 lbs. (0.5 kg) with power supply and USB cable 
Note: 0 dBu = 0.775Vrms 
ART maintains a policy of constant product improvement. Therefore, specifications are subject to 
change without notice. 
Go to 
www.artproaudio.com
 for the latest information and support. 










