| Dynamic range |
130dB |
| Mic preamps |
28 studio-grade XDR2 |
| Software Requirements: PC |
Microsoft Windows 7 32 / 64, Vista 32 / 64 RTM or XP SP 2 Pentium 4, Celeron or Athlon XP processor 512 MB RAM |
| Software Requirements: Mac |
Mac OS X 10.4.11 - 10.6.4 G4 processor 512 MB RAM |
| Low cut filter |
18dB/oct. 100Hz |
| Interface |
Integrated 4 x 2, 32-bit USB |
| Channel Input Type |
28 balanced Mic/Line, 2 balanced Stereo Line |
| Frequency response |
(Mic input to any output) 20Hz to 50kHz: +0dB / -1dB 20Hz to 100kHz: +0dB / -3dB |
| Distortion (THD+N) |
(1kHz at 15dB gain, 20Hz-20kHz bandwidth) Mic In to Insert Send: < 0.001% Mic In to Main Out: < 0.005% |
| Attenuation and Crosstalk |
(1kHz relative to +10dBu, 20Hz-20kHz bandwidth, Mic In, 1/4in Main Out, Gain at unity) Channel Mute switch engaged: -90dBu Channel Fader down: -88dBu |
| Common Mode Rejection Ratio (CMRR) |
(Mic In to Insert Send out, max gain) 1kHz: better than -70dB |
| Maximum levels |
Mic In: +21dBu All other inputs: +21dBu Main Mix XLR Out: +27dBu All other outputs: +21dBu |
| 3-Band Equalization (mono channels) |
Low: ±15dB at 80Hz Mid: ±15dB sweep 100Hz-8kHz High: ±15dB at 12kHz Low-cut Filter: 18dB/octave, -3dB at 100Hz |
| USB |
Format: USB 1.1 I/O: Stereo input, 4-channel output A/D/A: 24-bit, 44.1kHz/48kHz |
| Input and Output Impedance: Mic In |
2.7 kohm |
| Input/Output Impedance: Ch Insert Return |
2.5 kohm |
| Input/Output Impedance: All Other Inputs |
10 kohm or greater |
| Input and Output Impedance: Tape out |
< 10 ohm |
| Input/Output Impedance: All Other Output |
120 ohm |
| Power consumption |
65W |
| Universal AC Power Supply |
100-240 VAC, 50-60Hz |
| Operating Temperature |
0-40 deg. C / 32-104 deg. F |
| Dimensions (W x H x D) |
38 x 2 (front)/6 (rear) x 19.1in / 964 x 50.8 (front)/153(rear) x 486mm |
| Weight |
39lbs / 17.7kg |