User Guide and
Technical Information
page 4SOUND DEVICES, LLC
Product Features
Simplicity
➾ One USB cable provides all power for unit
and carries all audio to and from PC.
➾ All controls on front panel - no software-only
features.
➾ No sound card needed - no opening the PC
to connect.
Audio Performance
➾ Input dynamic range greater than 104 dB (in
24-bit mode).
➾ Flat 10 Hz - 20 kHz audio bandwidth.
➾ Very low distortion characteristics.
Analog Audio Inputs
➾ Active-balanced microphone and line level
inputs.
➾ Phantom power (48-volt) for condenser micro-
phones.
➾ High-impedance, low-noise DI instrument
inputs.
➾ Tape level audio inputs on RCA connectors.
➾ Input type is selectable per channel - allowing
two different signal levels simultaneously.
Digital I/O
➾ S/PDIF input (coaxial) for direct digital audio
transfers from DAT or other digital medium.
➾ S/PDIF output (coaxial) to interface to exter-
nal digital recorders and playback systems.
Level Metering
➾ Six-segment, LED peak input meter for pre-
cise level control of analog input sources.
➾ Calibrated in dB FS.
Audio Monitoring
➾ Mix control enables zero-delay monitoring
of analog source audio, computer audio, or
a mix of both source and computer audio in
headphones.
➾ Phono (RCA) jacks connect PC Audio output
to external loudspeakers or preamplifiers.
➾ S/PDIF output of PC Audio sources.
USB Powered
➾ Bus powering from the USB port eliminates
external power sources or batteries.
➾ Regulated internal DC/DC converter for low
noise, consistent audio quality.
Compact, Durable Mechanical
Construction
➾ High-strength extruded aluminum chassis.
➾ Machined aluminum knobs.
Computer Interface
➾ Microsoft Windows 98SE, ME, 2000, and XP
compatible.
➾ Mac OS 9X compatible.
➾ ASIO 2.0 for Mac OS and Windows.
➾ Simple Control Panel application duplicates
front panel buttons.
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