30
Onyx Blackbird
Specifications
Noise Characteristics:
Equivalent Input Noise (EIN), mic input at insert, 150
Ω
source
impedance, 20 to 20 kHz:
60 dB (max) gain:
–127.0 dBu
40 dB gain:
–126.5 dBu
Equivalent Input Noise (EIN), mic input at insert, 50
Ω
source
impedance, A-weighted:
60 dB (max) gain:
–130.5 dBu
40 dB gain:
–130.0 dBu
Output Noise Figure (1/4" Main Out, Alt Out, or Mon Out with
Mon level at unity gain):
–91.0 dBu (95.0 dB SNR, ref +4 dBu), A-weighted
FireWire Through ( Playback) Dynamic Range:
111.5 dB, ref +22 dBu max output level, A-weighted
Frequency Response:
Mic to insert:
<10 Hz to 150 kHz
+0 dB / –1 dB
Mic to Monitor or Main Outs (direct monitor analog-only path),
unity gain for XLR input:
<10 Hz to 80 kHz
+0 dB / –1 dB
Line to Monitor or Main Outs (direct monitor analog-only path),
unity gain for 1/4" TRS input (+20 dB on mic preamp):
<10 Hz to 22 kHz
+0 dB / –1 dB
FireWire Through, mic input to any output, unity gain:
44.1kHz sample rate: ±0.5 dB, 20Hz to 20kHz, –3 dB at 21kHz
96 kHz sample rate: ±0.5 dB, 20 Hz to 20 kHz, –3 dB at 45 kHz
Distortion (THD+N):
Mic to insert, 20 Hz to 20 kHz, 20 Hz to 80 kHz bandwidth:
+4 dBu in, unity gain, +4 dBu out:
0.001%
Line to insert, 20 Hz to 20 kHz, 20 Hz to 80 kHz bandwidth:
+4 dBu in, unity gain (+20 dB on mic preamp), +4 dBu out:
0.0015%
FireWire Through, +4 dBu mic input, to Blackbird Control,
routed to Main Output, all gain stages unity, 20 Hz to 20 kHz:
All inputs muted except active channel:
0.004%
No analog inputs muted:
0.006%
Attenuation and Crosstalk:
1 kHz relative to +0 dBu, 20 Hz to 20 kHz bandwidth,
unweighted:
Main Out, Direct Monitor (TO MON) knob at min: –87 dBu
Monitor Out, Direct Monitor (TO MON) knob at min, Monitor
knob at min:
–108 dBu
Monitor Out, Direct Monitor (TO MON) knob at max, Monitor
knob at min:
–82 dBu
Common Mode Rejection Ratio (CMRR):
Mic input to Insert, max gain, 150
Ω
termination
1 kHz:
> –70 dB
Maximum Input Levels:
Mic input, gain at min (0 dB):
+22 dBu
Mic input, gain at max (60 dB):
–38 dBu
Line input, gain at –20 dB:
+22 dBu
Instrument input, gain at –20 dB:
+22 dBu
Maximum Output Levels:
All outputs:
+22 dBu
FireWire:
Sample rates available: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Buffer size: 64 (44.1 kHz and 48 kHz only), 128, 256, 512,
1024, 2048, 3072
Resolution:
24-bit
ADC: Cirrus CS5368
114 dB typical, 24-bit, A-weighted, 10 Hz to 20 kHz BW
0.0006% typical, 0.0011% maximum THD+N, 24-bit, –1 dBFS,
10 Hz to 20 kHz BW
DAC: Cirrus CS4385
114 dB typical, 24-bit, A-weighted, 10 Hz to 20 kHz BW
0.001% typical, 0.002% maximum THD+N, 24-bit, 0 dBFS, 10
Hz to 20 kHz BW
Meters:
Bi-color channel meters:
Red overload, +18 dBu
Green signal present, –20 dBu
Input Impedance:
Mic input:
2.8 k
Ω
balanced
Line input:
30 k
Ω
balanced
15 k
Ω
unbalanced
Hi-Z input:
1 M
Ω
unbalanced
Appendix C: Technical Information
