Mackie Onyx 2480, Onyx 3280, Onyx 4080, Onyx 4880 Parts list

Appendix C: Technical Info

Onyx 80 Series Specifi cations

Frequency Response

Mic Input to Main Output (Gain @ Unity)
+0, –1 dB, <10 Hz to 80 kHz
+0, –3 dB, <10 Hz to 130 kHz

Distortion (THD & IMD)

Mic Input to Main Output (@ +4 dBu)

ONYX 80 SERIES

THD: < 0.007% max, 0.005% typical, 20 Hz to 20 kHz
SMPTE IMD: < 0.005% (7 kHz/60 Hz, 4:1)

Dynamic Range

>105 dB, 24 channels assigned
>115 dB, one-channel assigned

Noise Floor

Signal-to-Noise Ratio:
–87 dBu (ref. +4 dBu, Mic In to Main Out,
48 channels and Main Mix levels at unity)

–90 dBu, (ref. +4 dBu, Mic In to Main Out,
24 channels and Main Mix levels at unity)

Equivalent Input Noise (E.I.N.), 20 Hz to 20 kHz Bandwidth,
150Ω source impedance
–129.5 dBu @ +60 dB gain

Mic Output Noise:
Direct Output: –98 dBu (minimum gain)

Residual Output Noise:

Main Out: –83 dBu (48 channels and Main Mix levels
at unity)
–86 dBu (24 channels and Main Mix levels
at unity)

Main Out: –100 dBu (Channel and Main Mix levels off)

Common Mode Rejection Ratio (CMRR)

Mic In: >70 dB @ 1 kHz, Gain @ maximum

Crosstalk

Adjacent Inputs: < –95 dB @ 1 kHz
Input to Output: < –85 dB @ 1 kHz

Input Gain Control Range

Mic In: 0 dB to +60 dB
Line In: –20 dB to + 40 dB, mono channels

Phantom Power

+48 VDC

Equalization

Mono Channel EQ:
High: ±15 dB @ 12 kHz

Low: ±15 dB @ 80 Hz

Stereo Channel (Aux Input) EQ:
High: ±15 dB @ 12 kHz

Low: ±15 dB @ 80 Hz

High Mid:

±15 dB, sweepable from 400 Hz to 8 kHz

Low Mid:

±15 dB, sweepable from 100 Hz to 2 kHz

High Mid:

±15 dB @ 2.5 kHz

Low Mid:

±15 dB @ 400 Hz

Mixer Rated Output

Main Outs: +4 dBu
Aux Send: +4 dBu
Group Send: +4 dBu
Monitor Out: +4 dBu
Matrix Out: +4 dBu
Maximum Rated Output:
+21 dBu @ Main XLR and TRS outputs

Maximum Input Levels

Mic Input: +21 dBu, Gain @ unity
Line Input: +30 dBu, Gain @ –20 dB
Aux Input: +21 dBu

Maximum Voltage Gain

Mic Input to:
Main Out: 90 dB
Group Send: 80 dB
Aux Sends: 86 dB
Monitor Out: 102 dB
Matrix Out: 105 dB
Phones Out: 102 dB

Line Input to:
Main Out: 70 dB
Group Send: 60 dB
Aux Sends: 66 dB
Monitor Out: 82 dB
Matrix Out: 85 dB
Phones Out: 82 dB

Stereo Aux Input to:
Main Out: 50 dB
Group Send: 40 dB
Aux Sends: 39 dB
Monitor Out: 62 dB
Matrix Out: 65 dB
Phones Out: 62 dB

Input Impedance

Mic Input: 2.4 kΩ, balanced
Mono Channel Line Input: 30 kΩ balanced;
15 kΩ unbalanced
Stereo Aux Inputs: 20 kΩ balanced;
20 kΩ unbalanced

Output Impedance

Main Out: 150 Ω balanced, XLR outputs;
150 Ω TRS outputs
Direct Out: 300 Ω
Group Sends: 100 Ω
Monitor Out: 100 Ω
Matrix Out: 100 Ω
Aux Sends: 100 Ω
Phones Out: 25 Ω

30

ONYX 80 SERIES