Specifications:

Mono Input Channels

• Microphone Inputs: 4 (XENYX Mic preamp)
• Type: XLR, electronically balanced, discrete input circuit
• Equivalent Input Noise: 20 Hz to 20 kHz:
• At 0 Ohm Source Resistance: -129 dB / 131 dB A-weighted
• At 50 Ohm Source Resistance: -128 dB / 130 dB A-weighted
• At 150 Ohm Source Resistance: -127 dB / 129 dB A-weighted
• Frequency Response: <10 Hz to 140 kHz (-1 dB)
                                  <10 Hz to 200 kHz (-3 dB)
• Gain Range: +10 to +60 dB
• Maximum Input Level: +12 dBu at +10 dB gain
• Impedance: Approximately 2.06 kOhm balanced
• Hi-Z Input: 1 MOhm
• Signal to Noise Ratio: 110 dB A-weighted (-10 dBu in at +32 dB gain)
• THD + N: 0.0045% (-20 dBu in at +20 dB gain)
• Phantom Power: +48 V, switchable per mic channel

Line Inputs

• Type: 1/4" TRS connector, balanced
• Impedance: 20 kOhm balanced, 10 kOhm unbalanced
• Gain Range: -10 dB to +40 dB
• Maximum Input Level: 30 dBu

Stereo Inputs

• Type: 1/4" TRS connector, balanced
• Impedance: 20 kOhm balanced, 10 kΩ unbalanced
• Gain Range: -20 dB to +20 dB
• Maximum Input Level: +22 dBu

Equalizer

EQ Type Mono Channels
3-Band Semi-Parametric:

• Low: 80 Hz / ±15 dB
• Mid: 100 Hz to 8 kHz / ±15 dB
• High: 12 kHz / ±15 dB
• Low Cut: 80 Hz, 18 dB/oct

EQ Type Stereo Channels:

4-Band Fixed:

• Low: 80 Hz / ±15 dB
• Low Mid: 300 Hz / ±15 dB
• High Mid: 3 kHz / ±15 dB
• High: 12 kHz / ±15 dB

Channel

• Channel Inserts: Type: 1/4" TRS connector, unbalanced
• Maximum Input Level: +22 dBu
• Cross Talk: Main Fader Closed: 90 dB
• Channel Muted: 88 dB
• Channel Fader Closed: 88 dB

AUX Section

• Type: Aux Sends: 1/4" TRS connector, unbalanced
• Aux Returns: 1/4" TRS connector, balanced
• Impedance: Aux Sends: 120 Ohm
• Aux Returns: 20 kOhm balanced, 10 kOhm unbalanced
• Maximum Output Level: Aux Sends & Returns: +22 dBu

Outputs

• Main Outputs: Type: XLR + 1/4" TRS balanced
• Impedance: 240 Ohm balanced, 120 Ohm unbalanced
• Maximum Output Level: +28 dBu
• Control Room Outputs: Type: 1/4" TS connector, unbalanced
• Impedance: 120 Ohm
• Maximum Output Level: +22 dBu
• Phones: Type: Dual 1/4" TRS connector, unbalanced
• Maximum Output Level: +22 dBu / 23 Ohm - 300 mW at 100 Ohm

Effects

• Converters: 24-bit Delta-Sigma
• 128 times over-sampling
• Sampling Rate: 48 kHz

Interfaces

• Operating Modes: FireWire 400 or USB 2.0
• Connectors: 6-pin FireWire 400 (IEEE1394A)
• USB 2.0 Type B
• Converters: 24-bit
• Sample Rate: 44.1 / 48 / 88.2 / 96 kHz
• Channel Quantity: 16 x 4 in / out
• Operating Systems: Windows XP or higher, Mac OS X
• Audio Support: Low Latency: ASIO (Win), CoreAudio (Mac)
• Transport Controls: Standard MIDI mode (CC / note commands) or Mackie control mode

Recorder

• Connector: USB 2.0 (Type A) for Stand-Alone Mode
• Storage Device: External USB 2.0 Hard-Disk Drive (Operation depends on required power consumption)
• Sample Rate: 44.1 / 48 kHz
• File Format: WAV (uncompressed)
• File System: FAT 16 / 32
• Number of Channels: Recorded: 16 tracks (stored as mono WAV files)

Power Supply

• Voltage: 100 to 240 V, 50 / 60 Hz
• Power Consumption: 60 W

Dimensions: 97 x 310 x 437 mm
Weight: 4.5 kg