Appendix c: technical information, Specifications, Owner’ s manual – MACKIE ProFX12 User Manual
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Owner’s Manual
Owner’
s Manual
Appendix C: Technical Information
Specifications
Noise
20 Hz – 20 kHz, 150 Source Impedance
Equivalent Input Noise
(Mic in to Insert Send out, max gain)
–125 dBu
Residual Output Noise
(All outputs, master levels off, all channel levels off)
–95 dBu
(All outputs, master levels unity, all channel levels off)
–80 dBu
(All outputs, master levels unity, one channel level unity)
–80 dBu
Distortion
20 Hz – 20 kHz
THD+N, SMPTE IMD
(Mic input to Main output) <0.03% @ +4 dBu output
Common Mode Rejection Ratio
1 kHz
(Mic input to Insert Send output) 60 dB gain at unity
Frequency Response
20 Hz – 30 kHz
(Mic input to any output, gain at unity) +0 dB / –1 dB
Crosstalk
20 Hz – 20 kHz
Adjacent Inputs
–90 dB @ 1 kHz
Inputs to Outputs
–90 dB @ 1 kHz
Fader Off
–75 dB @ 1 kHz
Mute Switch/Break Switch Mute
–90 dB @ 1 kHz
Maximum Levels
All Inputs
+22 dBu
Main Mix XLR
+28 dBu
All other outputs
+22 dBu
Impedances
Mic in
3 k
Channel Insert return
10 k
Ch 1 Instrument Input
1 M
All other inputs
20 k
Tape out
1.1 k
Phones out
25
All other outputs
120
Maximum Voltage Gain (EQ Flat)
Mic Input Channel to
Insert Output
50 dB
Tape Output
60 dB
USB Output
50 dB
1/4 Inch Main Output
70 dB
XLR Main Output
76 dB
Monitor Send
75 dB
FX Send
90 dB
Mono Line Input Channel to
Insert Output
30 dB
Tape Output
40 dB
USB Output
30 dB
XLR Main Output
56 dB
Monitor Send
55 dB
FX Send
70 dB
Stereo Line Input Channel to
Tape Output
30 dB
USB Output
20 dB
XLR Main Output
46 dB
Monitor Send
45 dB
FX Send
60 dB
Tape Input to
Tape Output
20 dB
USB Output
10 dB
XLR Main Output
36 dB
USB Input to
Tape Output
20 dB
USB Output
10 dB
XLR Main Output
36 dB
Stereo Return to
Tape Output
10 dB
USB Output
0 dB
XLR Main Output
26 dB
Effects Return to
Tape Output
10 dB
USB Output
0 dB
XLR Main Output
26 dB
Monitor Send
25 dB
Channel EQ
Low Cut
100 Hz, –18 dB/Octave
High Shelving
±15 dB @ 12 kHz
Mid Peaking
±15 dB @ 2.5 kHz
Low Shelving
±15 dB @ 80 Hz
Digital Effects
I/O
Mono Input / Stereo Output
Number of Presets
16