E-MU's Tracker Pre USB 2.0 Audio Interface/Mobile Preamp is the ultimate portable USB audio interface for Mac and PC, offering pristine 24-bit/192kHz recording and playback, direct monitoring, and a host of professional features in a compact, USB bus-powered package. The Tracker Pre USB provides users with two Class-A ultra-low noise Mic/Line/Hi-Z preamplifiers that can be run independently or in stereo to record guitars, keyboards or microphones with optimal audio performance. CurrentMorph, a patent-pending circuit design, allows Tracker Pre to offer +48V phantom power and use premium high-power converters while using only USB bus power.
Features
Pristine 24-bit/192kHz A/D and D/A converters (A/D and D/A: 112dB measured SNR performance) deliver unmatched USB audio fidelity for pristine audio quality
Preamplified analog signals are available before the A/D converters, allowing the Tracker Pre to be used as a standalone high-quality stereo microphone preamp (using optional power supply)
Hardware zero-latency direct monitoring (mono or stereo) with continuously variable level control
Plug-and-play operation with hands-on control of all major functions like direct monitoring level, headphone level, preamplifier gain and more
Independent ground lift switches for optimal audio fidelity/flexibility
USB bus powered (can also be powered using optional 5V power supply)
Cross-platform support (Mac OS X and Windows XP32/XP64/Vista32/Vista64) and compatibility with most popular audio/sequencer applications (ASIO2, WDM, MME, Apple Core Audio and Core MIDI supported)
Technical Info
In/Out Configuration
Two XTC(TM) Class-A, ultra-low noise, Mic/Line/Hi-Z preamps. Balanced XLR, 1/4 in. TRS and 1/8 in. Inputs (-127dB EIN) with 60dB of gain
1/8 in. Stereo Condenser Microphone Input with 5V Power
Two 1/4 in. Balanced/Unbalanced Outputs (112dB SNR)
Two 1/4 in. Unbalanced Send/Return Inserts prior to A/D converters
Stereo headphone output (112dB SNR)
General
Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192kHz from internal crystal (no sample rate conversion)*
Bit Depth: 24-bit I/O, 32-bit processing
USB 2.0 Hi-Speed:
- Full 24-bit resolution at all sample rates
- Stereo in, stereo out at all sample rates
Zero-latency direct hardware monitoring (disabled at 176.4-192kHz)
Windows drivers: ASIO2 and WDM
Macintosh driver: Apple CoreAudio
Anti-Pop speaker protection minimizes noise during power on/off
Ultra-low jitter clock subsystem: < 100ps RMS
USB Bus or AC powered via optional Universal Power Supply
Combo Preamplifiers (2)
Type: E-MU CurrentMorph combo mic preamp and Hi-Z/line input
A/D converter: AK5385
Max Level: +6.4dBV bal/unbal (+6.9 dBu)
- Hi-Z/line balanced input: +6.9dBV bal/unbal (+9.1dBu)
- Microphone Preamplifier: +6.4dBV bal/unbal (+8.6dBu)
Frequency Response (min gain, 20Hz-20kHz): +0.0/-0.03dB
Dynamic Range (A-weighted, 1kHz, min gain): 112dB
Signal-to-Noise Ratio (A-weighted, min gain): 112dB
THD+N (1kHz at - 1dBFS, min gain): -102dB (.0007%)
EIN (20Hz-20kHz, 150ohm, unweighted): -127dBu
Input Impedance:
- Hi-Z/line balanced input: 1 Mohm
- Microphone Preamplifi er: 1.5 Kohms
Analog Line Outputs (2)
Type: balanced, AC-coupled, 2-pole low-pass differential filter
D/A converter: CS4392
Max Level: 6.6 dBV (unbalanced)
Frequency Response (20Hz - 20kHz): 0.00/-0.08dB
Dynamic Range (1kHz, A-weighted): 112dB
Signal-to-Noise Ratio (A-weighted): 112dB
THD+N (1kHz at -1dBFS): -99dB (.0011%)
Stereo Crosstalk (1kHz at -1dBFS): <-111dB
Headphone Amplifier
Type: Class-A power amplifier
D/A converter: CS4392 (shared with Line Out)
Gain Range: 60dB
Maximum Output Power: 22mW
Output Impedance: 22ohms
Frequency Response (20Hz-20kHz): +0.02/-0.07dB
Dynamic Range (A-weighted): 112dB
Signal-to-Noise Ratio (A-weighted): 112dB
THD+N (1kHz, max gain): 300ohm load: -99dB (.0011%)
Stereo Crosstalk (1kHz at -1dBFS, 300 ohm load): <-90dB
Synchronization
Internal crystal sync at 44.1, 48, 88.2, 96, 176.4, 192kHz*
* Macintosh operation up to 96kHz only at this time
Retail Box Contents
E-MU Tracker Pre USB 2.0 Audio Interface
USB cable (2 meters)
Installation Guide
E-MU Software/Manual Installation CD-ROM (OS X /Windows):
- Windows XP, Windows x64, Windows Vista, Windows Vista x64 Drivers
- Mac OS X 10.4, Mac OS X 10.5 Drivers
- Owner's Manual and Tutorials
- Adobe Acrobat Reader (Windows only)
E-MU Production Tools Software Bundle DVD (OS X /Windows):
- Windows Applications
- E-MU Proteus VX (with over 1000 sounds)
- Cakewalk Sonar 6 LE
- Steinberg Cubase LE4
- Celemony Melodyne essential
- IK Multimedia AmpliTube Duo
- SFX Machine LT
OS X Applications:
- Steinberg Cubase LE4
- BIAS Peak Express 5
- Celemony Melodyne essential
- SFX Machine LT
Ableton Live Lite 6 E-MU Edition CD-ROM (OS X, Windows):
- Ableton Live Lite 6 E-MU Edition
Waldorf Edition LE CD-ROM (OS X, Windows):
- Waldorf Edition LE
Minimum System Requirements
Windows:
Intel(R) or AMD(R) processor - 1.2 GHz or faster
Intel, AMD, or 100% compatible motherboard & chipset
Microsoft(R) Windows(R) XP (SP 2 or greater), Windows XP x64, Windows Vista, or Windows Vista x64
1 available (Hi-Speed) USB 2.0 port *
512 MB System RAM
900 MB of free hard disk space for full installation
CD-ROM/CD-RW drive required for software installation
DVD-ROM drive required for bundled software installation
XVGA Video (1024 X 768)
OS X:
Apple(R) Macintosh(R) G4 800 MHz G4 compatible or Intel-based processor
Apple Macintosh OS X (10.4.3 or greater)
1 Available (Hi-Speed) USB 2.0 port*
512 MB System RAM
500 MB of free hard disk space for full installation
CD-ROM/CD-RW drive required for software installation
DVD-ROM drive required for bundled software installation
XVGA Video (1024 X 768)
* When connecting the Tracker Pre to a USB 1.1 port on a Windows PC, performance is limited to 16-bit and 44.1/48 kHz recording and playback.
* USB 1.1 is not supported on the Macintosh
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