MACKIE ONYX 1640I - Manual (Page 31)

Owner's Manual 31
Specifi cations
Noise Characteristics:
Equivalent Input Noise (EIN), mic input at insert, 150 Ω source
impedance, 20 to 20 kHz:
60 dB (max) gain: -129 dBu
40 dB gain: -128 dBu
Output Noise Figure (1/4" Main out, all channels assigned to
main, Gain knobs at unity, 20 Hz to 20 kHz):
Main Mix knob down, channel Level knobs down:
-100 dBu (-104 dB SNR,
ref +4dBu)
Main Mix knob unity, channel Level knobs down:
-93 dBu (-97 dB SNR,
ref +4 dBu)
Main Mix knob unity, channel Level knobs unity:
-91 dBu (-95 dB SNR,
ref +4 dBu)
FireWire Through (Record + Playback) Dynamic Range:
0 dBu mic input, to DAW, routed back to mixer direct to Control
Room, all gain stages unity, 20 Hz to 20 kHz:
All sample rates: -105 dB
Frequency Response:
Mic input to main output (all gain stages at unity):
+0, -1 dB, <10 Hz to 80 kHz
+0, -3 dB, <10 Hz to >100 kHz
Channel line input to any output (all gain stages unity):
+0/-1 dB, 20 Hz to 20 kHz
FireWire in and out (mic input to FireWire send, returned to
Control Room, all gain stages at unity):
44.1 kHz sample rate: +/-0.5 dB,
20 Hz to 20 kHz
-3 dB at 21 kHz
96 kHz sample rate: +/-0.5 dB,
20 Hz to 20 kHz
-3 dB at 45 kHz
Distortion (THD+N):
20 Hz to 20 kHz, 20 Hz to 80 kHz bandwidth
Mic input at insert
(+4 dBu in, 0 dB gain, +4 dBu out):
0.005%
Mic input at insert
(-10 dBu in, +20 dB gain, 20 Hz to 20 kHz bandwidth):
0.0007%
Stereo channel line input to any output
(+4 dBu in, all gain stages at unity +4 dBu out): 0.005%
FireWire in and out (+4 dBu in, mic input to FireWire send,
returned to Control Room, all gain stages at unity):
44.1 kHz sample rate: 0.02%, 10 Hz to 20 kHz
96 kHz sample rate: 0.02%, 10 Hz to 10 kHz
0.05%, 10 kHz to 47 kHz
Attenuation and Crosstalk:
@1 kHz
Main Mix knob down: -80 dBu
Channel Alt/Mute switch engaged: -96 dBu
Channel Level knob down: -96 dBu
Common Mode Rejection Ratio (CMRR):
Mic input to insert, max gain, 1 kHz: >70 dB
Maximum Input Levels:
Mic input, gain at unity (0 dB): +21 dBu
Mic input, gain at max (60 dB): –38 dBu
Line input, gain at -20 dB: +30 dBu
Instrument input, gain at -20 dB: +21 dBu
Tape input: +21 dBu
Aux return: +21 dBu
Maximum Output Levels:
All outputs: +21 dBu
Equalization
Low: ±15 dB at 80 Hz
Lo-Mid frequency: 100 Hz to 2 kHz
Lo-Mid gain: ±15 dB
Hi-Mid frequency: 400 Hz to 8 kHz
Hi-Mid gain: ±15 dB
High: ±15 dB at 12 kHz
FireWire
Sample Rates Available: 44.1 kHz, 48 kHz,
88.2 kHz, 96 kHz
Buffer Size: 32 (44.1 kHz and 48 kHz
only), 64, 128, 256, 512,
1024, 2048 samples
Resolution: 24-bit
Meters
4-segment pre-fader channel meters:
OL (+18 dBu), +10, 0,
-20 dBu
12-segment pre-fader Control Room meters:
OL (+20 dBu), +15, +10,
+6, +3, 0, -2, -4, -7, -10,
-20, -30 (0 dB = 0 dBu)
Appendix C: Technical Information