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ONYX 4-BUS
LIVE ANALOG
MIXING CONSOLES
ONYX 4-BUS SPECIFICATIONS
Frequency Response
(Mic Input to Main Output, Gain @ unity)
+0 dB/–1 dB
10 Hz to 80 kHz
+0 dB/–3 dB
10 Hz to 120 kHz
Distortion (THD and IMD)
(Mic Input to Main Output @ +4 dBu)
THD+N (20 Hz to 20 kHz bandwidth)
<0.007%
0.003% @ 1 kHz typical
SMPTE IMD (7 kHz/60 Hz, 4:1)
<0.005%
Dynamic Range
Mic Input to Main Output
>115 dB
Noise Floor
(20 Hz to 20 kHz bandwidth, 1/4" Main Out, channel gains @ unity
gain, channel EQs flat, all channels assigned to Main Mix, odd
channels panned left, even channels panned right)
Signal-to-Noise Ratio
(ref. +4 dBu, Mic Input to Main Output)
32 channels and Main Mix levels @ unity
–87 dBu
24 channels and Main Mix levels @ unity
–89 dBu
Equivalent Input Noise (EIN)
(150 termination, 20 Hz to 20 kHz bandwidth, +60 dB gain)
–129.5 dBu
Mic Output Noise
Mic Input to Direct Output, min. gain
–100 dBu
Residual Output Noise
Main Out (Channel and Main Mix levels off)
–100 dBu
Main Out (32 channels and Main Mix levels @ unity)
–83 dBu
Main Out (24 channels and Main Mix levels @ unity)
–85 dBu
Common Mode Rejection Ratio (CMRR)
Mic Input, max gain @ 1 kHz
better than –70 dB
Attenuation/Crosstalk
Adjacent Inputs @ 1 kHz
–95 dB
Input to Output @ 1 kHz
–85 dB
Input Gain Control Range
Mic Input
0 dB to +60 dB
Line Input
–20 dB to +40 dB
Stereo Input
–20 dB to +20 dB
Phantom Power
+48 VDC
Equalization
Mono Channel EQ
High Shelving
±15 dB @ 12 kHz
High Mid Peaking
±15 dB sweep 400 Hz-8 kHz
Low Mid Peaking
±15 dB sweep 100 Hz-2 kHz
Low Shelving
±15 dB @ 80 Hz
Low Cut Filter
18 dB/octave, –3 dB @ 100 Hz
Stereo Channel EQ
High Shelving
±15 dB @ 12 kHz
High Mid Peaking
±15 dB @ 2.5 kHz
Low Mid Peaking
±15 dB @ 400 Hz
Low Shelving
±15 dB @ 80 Hz
Low Cut Filter
18 dB/octave, –3 dB @ 100 Hz
Mixer Rated Output
Nominal Output @ Main, Monitor and Matrix Outputs
and Aux and Group Sends
+4 dBu
Maximum Output @ Main XLR and TRS Outputs
+21 dBu
Maximum Input Levels
Mic Input (Gain @ unity, pad out)
+21 dBu
Mic Input (Gain @ unity, pad in)
+30 dBu
Line Input (Gain @ –20 dB)
+21 dBu
Tape Input
+30 dBu
Stereo Return
+21 dBu
Maximum Voltage Gain
Mic Input to
Main Out
90 dB
Group Out
80 dB
Aux Sends
86 dB
Monitor Out
103 dB
Matrix Out
105 dB
Phones Out
103 dB
Line Input to
Main Out
70 dB
Group Out
60 dB
Aux Sends
66 dB
Monitor Out
83 dB
Matrix Out
85 dB
Phones Out
83 dB
Stereo Return to
Main Out
53 dB
Group Out
43 dB
Aux Sends
49 dB
Monitor Out
66 dB
Matrix Out
68 dB
Phones Out
66 dB
