Owner`s manual

Owner's Manual 15
Specifications
Noise Characteristics:
Equivalent Input Noise (EIN), mic input to USB record (A/D),
150 Ω source impedance, 22 Hz to 22 kHz:
60 dB (max) gain: –124.0 dBu
Equivalent Input Noise (EIN), mic input to USB record (A/D),
40 Ω source impedance, A-weighted:
60 dB (max) gain: –126.0 dBu
Direct Monitor Output Noise (Monitor and To Mon levels
unity/max):
–95.0 dBu, 22 Hz to 22 kHz
USB Record (A/D) Noise Floor/Dynamic Range (From mic
input/min gain, 1 kHz –60 dBFS):
–112.0 dBFS Noise, A-weighted, –101 dBu equivalent mic input
noise at unity gain (11 dBu = 0 dBFS)
–110.0 dB Dynamic range, A-weighted,
(relative to –2 dBFS/+9 dBu)
USB Playback (D/A) Noise Floor/Dynamic Range (Monitor
Output, Monitor level unity/max, To Mon off/min;
1 kHz –60 dBFS):
–97.0 dBu Noise, A-weighted, –107 dBFS equivalent digital
noise, 106 dB Dynamic Range (relative to +9 dBu)
Frequency Response:
Mic to Monitor Outputs (direct monitor analog-only path,
stereo), unity gain:
15 Hz to 50 kHz +0 dB / –0.2 dB
Line to Monitor Outputs (direct monitor analog-only path,
stereo), unity gain for 1/4" TRS input:
10 Hz to 25 kHz +0 dB / –1.0 dB
USB Through (Indirect monitor A/D+D/A), mic input to monitor
output, unity gain (To Mon off/min):
44.1 kHz sample rate:
15 Hz to 21 kHz +0 dB / –0.2 dB
96 kHz sample rate:
15 Hz to 22 kHz +0 dB / –0.2 dB
Distortion (THD+N):
Mic to monitor (direct monitor analog path, stereo), 1 kHz,
22 Hz to 22 kHz bandwidth:
+4 dBu in, min/unity gain, +4 dBu out: <0.002%
Line to monitor (direct monitor analog path, stereo), 1 kHz,
22 Hz to 22 kHz bandwidth:
+4 dBu in, unity gain, +4 dBu out: <0.002%
Hi-Z to monitor (direct monitor analog path, stereo), 1 kHz,
22 Hz to 22 kHz bandwidth:
+0 dBu in, unity gain, +0 dBu out: <0.004%
Phones, 1 kHz, 22 Hz to 22 kHz bandwidth:
7mW into 600 Ω: <0.003%
Mic to USB Record (A/D), 1 kHz, 22 Hz to fs/2 bandwidth:
+4 dBu in, unity gain, –7 dBFS record: <0.002%
USB Playback to Monitor Out (D/A), 1 kHz, 22 Hz to 22 kHz
bandwidth (To Mon off/min, Monitor unity/max):
–6 dBFS playback, +4 dBu out: <0.002%
Attenuation and Crosstalk:
1 kHz, 20 Hz to 20 kHz bandwidth:
To Mon or Monitor knob off/min: <–100 dB
1 kHz, 22 Hz to 22 kHz bandwidth:
Any channel to any other: <–80 dB
Common Mode Rejection Ratio (CMRR):
Mic input, 150 Ω termination
1 kHz: > 50 dB
Maximum Input Levels:
Mic input, gain at min (0 dB): +10 dBu
Mic input, gain at max (60 dB): –50 dBu
Line input, gain at min (–15 dB): +25 dBu
Instrument input, gain at min (–15 dB): +8 dBu
Maximum Output Levels:
Monitor Output at unity/max: +10 dBu
Phones at unity/max: 8mW into 600 Ω (1% THD+N)
USB:
USB 1.1
Sample rates available: 44.1 kHz, 48 kHz
Mackie Driver Buffer sizes: 96, 128, 256, 512, 1024
Resolution: 24-bit
Audio Class 1.0 compliant at 44.1 kHz / 48 kHz, 24-bit
A/D: 114 dB typical dynamic range, 24-bit, A-weighted,
10 Hz to 20 kHz BW
D/A: 114 dB typical dynamic range, 24-bit, A-weighted,
10 Hz to 20 kHz BW
Meters:
Bi-color channel meters:
Red overload, +7 dBu (–4 dBFS)
Green signal present, –20 dBu (–31 dBFS)
Input Impedance:
Mic input: 3 kΩ balanced
Line input: 18 kΩ balanced
9 kΩ unbalanced
Hi-Z input: 1 MΩ unbalanced
Appendix C: Technical Information