Microphone Preamp:

Type: XLR Female, Class A XMAX
Maximum Input level (unity gain): +9 dBu +/-1.0 dB
Gain Control Range: 43 dB (+12 to +55 dB)
Frequency Response to Analog Outputs: 20 Hz to 20 kHz, +0.5/-1.5 dB
Frequency Response to USB (Direct): 20 Hz to 20 kHz, +0.5/- 1.5 dB
S/N Ratio to Outputs (+4 dBu): 94 dB
THD+N (min. gain, A-wtd): < 0.01%
Input Impedance: 1 kOhm
EIN (+55 dB gain, 150 Ohms input, 20 Hz-22 kHz, A-wtd): Mono Channels: < 128 dBu
Common Mode Rejection Ratio (1 kHz, +55 dB gain): 65 dB
Phantom Power: +48V, +/-3V, Global
Note: All Channel Inputs sum through Mic preamp

Instrument Inputs:

Type: 1/4" TS Female, Unbalanced, Hi-Z
Maximum Input Level (min. gain, 1 kHz@0.5% THD+N): +9 dBu +/-1.0 dB
Gain Control Range: 43 dB, +/-1 dB (+12 to +55 dB)
Frequency Response to Analog Outputs: 20 Hz to 20 kHz, +0.5/-1.5 dB
Frequency Response to USB (Direct): 20 Hz to 20 kHz, +0.5/-1.5 dB
Dynamic Range (min. gain, A-wtd): > 105 dB
Dynamic Range (mid. Gain, unwtd): > 108 dB
THD+N (1 kHz, -1 dBFS, A-wtd): < 0.01%
THD+N (1 kHz, -1 dBFS, unwtd): < 0.01%
Input Impedance: > 1 M Ohm

Line Inputs:

Type: 1/4" TRS Female, Balanced
Maximum Input Level (min. gain, 1 kHz@0.5% THD+N): +26 dBu +/-1.0 dB
Gain Control Range:
- Mono Channels: 40 dB, +/-1 dB (-5 to +35 dB)
- Stereo Channels: 0 dB or +10 dB (+10 dB Boost)
Frequency Response to Analog Outputs: 20 Hz to 20 kHz, +0.5/-1.5 dB
Frequency Response to USB (Direct): 20 Hz to 20 kHz, +0.5/-1.5 dB
S/N Ratio to Analog Outputs (+4 dBu): 85 dB
THD+N (1 kHz, -1 dBFS, A-wtd): < 0.01%
Input Impedance (Balanced): 10 kOhm

Main, Control Room, Monitor, and FX Outputs:

Type (Main Outputs): XLR Male, Impedance Balanced
Type (Control Room, Monitor, FX Outputs): 1/4" TRS Female, Balanced
Rated Output Level (Main Outputs): +24 dBu, +/-1.0 dB
Rated Outputs Level (Control Room, Monitor, FX Outputs): +18 dBu
Frequency Response: 20 Hz to 20 kHz, +0.5/-1.5 dB
Dynamic Range (A-wtd): > 108 dB
THD+N (Bandwidth 20 Hz - 20 kHz, -1 dBFS, unwtd): < 0.01%
Output Impedance: 100 Ohms

Headphone Output:

Type: 1/4" TRS Female, Stereo, Unbalanced
Maximum Output Level: 150 mW/channel @ 60 Ohms
Frequency Response: 20 Hz to 20 kHz, +0.5/-1.5 dB
Dynamic Range (A-wtd): > 103 dB
THD+N (Bandwidth 20 Hz - 20 kHz, -1 dBFS, unwtd): < 0.01%

System Crosstalk:

Input to Output (Ref = +4dBu, 20 Hz to 20 kHz, unwtd): -90 dBu
Adjacent Channels (Ref = +4 dBu, 20 Hz to 20 kHz, unwtd): -85 dBu

Signal Level LED:

Signal: -30 dBFS (pre-EQ)
Clip: -3.0 dB before clip (pre- or post-EQ)

Channel EQ:

Low Cut: 100 Hz, -18 dB/Octave
High Shelving: +/-15 dB @ 10 kHz
Mid Peaking (Mono Channels): +/-15 dB @ 140 Hz to 3.5 kHz (variable)
Mid Peaking (Stereo Channels): +/-15 dB @ 2.5 kHz
Mid-Band Q: Boost 1.0, Cut: 2.5
Low Shelving: +/-15 dB @ 100 Hz

Digital Audio:

Host Interface: USB 2.0
ADC Dynamic Range (Component): 114 dB
ADC Dynamic Range (Measured: A-wtd, 48 kHz): 105 dB
DAC Dynamic Range (Component): 114 dB
DAC Dynamic Range (Measured: A-wtd, 48 kHz): 105 dB
Signal-to-Noise (a-weighted): -96 dB
Bit Depth: 24-bit
Internally Supported Sample Rates: 44.1, 48, 88.2, 96 kHz
Jitter: < 80 ps RMS (20 Hz - 20 kHz)
Jitter Attenuation: > 60 dB (1 ns in => 1 ps out)

SD Recorder:

Supported Media Format: FAT16 formatted SD card, FAT32 formatted SDHC card
Media Storage Capacity: SD card 2 GB; SDHC card 32 GB
Recording File Format: Stereo WAV
Playback File Formats: Stereo WAV, MP3 (96-320 kbs, 32 / 44.1 / 48 kHz)
Sampling Rate (WAV): 44.1 kHz
Bit Depth:
- Recording: 24-bit
- Playback: 16- or 24-bit

Power/Environmental:

Connector: IEC
Input Voltage Range: 90 to 240 VAC
Recommended Ambient Operating Temperature: 0 to 40 degrees Celsius / 32 to 104 degrees Fahrenheit

Physical:

Height: 3.5" (89 mm)
Width (Chassis only): 18.9" (480 mm)
Depth: 15.6" (397 mm)
Weight: 14.1 lbs (6.4 kg)

Dimensions and Weight in Packaging

Base Item

• Shipping Weight: 18.75 lbs
• Shipping Dimensions: 23 x 19 x 8 in
• Manufacturer Part Number (MPN): 2779200102