Technical Specifications
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 kΩ
EIN (+55 dB gain, 150Ω 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
Instrument Inputs
 
Type
¼” 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 MΩ
Line Inputs
 
Type
¼” 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 kΩ
Main, Control Room, Monitor, and FX Outputs
 
Type (Main Outputs)
XLR Male, Impedance Balanced
Type (Control Room, Monitor, FX Outputs)
¼” 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 Ω
Headphone Output
 
Type
¼” TRS Female, Stereo, Unbalanced
Maximum Output Level
150 mW/channel @ 60 Ω
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˚ Celsius / 32˚ to 104˚ Fahrenheit
Physical
 
Height
3.5” (89 mm)
Width (Chassis only)
15” (381 mm)
Depth
15.6” (397 mm)
Weight
11.9 lbs (5.4 kg)