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Appendix B: Technical Information - Mackie ProFX8v2 Owner's Manual

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Appendix B: Technical Information

Specifications
Noise Characteristics
Equivalent Input Noise (EIN)
(150 Ω Source Impedance, 20 Hz to 20 kHz)
Mic in to Insert Send out, max gain
Residual Output Noise
All outputs, master levels off, all channel levels off
All outputs, master levels unity, one channel level unity
Frequency Response
Mic input to any output (gain at unity, +0 dB / –1 dB )
Distortion (THD+N)
(22 Hz to 80 kHz bandwidth)
Mic in to Main Out (+4 dBu output)
Attenuation and Crosstalk
Adjacent Inputs @ 1 kHz
Inputs to Outputs @ 1 kHz
Fader Off @ 1 kHz
Mute Switch / Break Switch Mute @ 1 kHz
Common Mode Rejection Ratio (CMRR)
Mic in to Main out, max gain, 1 kHz
Maximum Levels
All inputs
Main Out XLR
All other outputs
Impedances
Mic in
Channel Insert Return
All other inputs
Tape out
Phones out
All other outputs
1
ProFX8v2, ProFX12v2.
2
ProFX16v2, ProFX22v2, ProFX30v2.
26
ProFX8v2 • ProFX12v2 • ProFX16v2 • ProFX22v2 • ProFX30v2
Equalization
ProFX8v2 • ProFX12v2
Low
Mid
–125 dBu
1
High
–128 dBu
2
Low Cut Filter
–95 dBu
ProFX16v2 • ProFX22v2 • ProFX30v2
–80 dBu
1
Mono Channels
–85 dBu
2
Low
Mid
High
Low Cut Filter
Stereo Channels
20 Hz to 30 kHz
1
Low
20 Hz to 40 kHz
2
Mid
High
Maximum Voltage Gain (EQ Flat)
<0.03%
1
Mic Input Channel to
<0.01%
2
Insert Output
Tape Output
USB Output
1/4" Main Output
–90 dBu
XLR Main Output
–80 dBu
Monitor Send
–75 dBu
FX Send
–90 dBu
1
Mono Line Input Channel to
–100 dBu
2
Insert Output
Tape Output
USB Output
XLR Main Output
70 dB
Monitor Send
FX Send
Stereo Line Input Channel to
Tape Output
+22 dBu
USB Output
+28 dBu
XLR Main Output
+22 dBu
Monitor Send
FX Send
Tape Input to
3.8 kΩ
1
XLR Main Output
3.3 kΩ
2
USB Input to
10 kΩ
XLR Main Output
≥20 kΩ
Stereo Return to
Mon Output
1 kΩ
XLR Main Output
25 Ω
120 Ω Unbalanced,
240 Ω Balanced
±15 dB @ 80 Hz
±15 dB @ 2.5 kHz
±15 dB @ 12 kHz
18 dB/octave @ 100 Hz
±15 dB @ 80 Hz
±15 dB
100 Hz – 8 kHz
±15 dB @ 12 kHz
18 dB/octave @ 100 Hz
±15 dB @ 80 Hz
±15 dB @ 2.5 kHz
±15 dB @ 12 kHz
50 dB
60 dB
50 dB
1
60 dB
2
70 dB
76 dB
76 dB
1
81 dB
2
90 dB
30 dB
40 dB
30 dB
1
40 dB
2
56 dB
56 dB
1
61 dB
2
70 dB
30 dB
30 dB
46 dB
46 dB
1
51 dB
2
60 dB
1
55 dB
2
36 dB
36 dB
30 dB
2
26 dB
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