Mackie ProFX4 V2 - Appendix B: Technical Specifications

Owner’s Manual
17
Owner’s Manual
Specifications
Noise Characteristics
Equivalent Input Noise (EIN)
(150 Ω Source Impedance, 20 Hz to 20 kHz)
Mic in to FX send, max gain –128 dBu
Residual Output Noise ≤30 kHz
All outputs, master levels off, all channel levels off –95 dBu
All outputs, master levels unity, one channel level unity
–85 dBu
Frequency Response
Mic input to any output (gain at unity, +0 dB / –1 dB )
20 Hz to 40 kHz
Distortion (THD+N)
(22 Hz to 80 kHz bandwidth)
Mic in to Main Out (+4 dBu output) <0.01%
Attenuation and Crosstalk
Adjacent Inputs @ 1 kHz –80 dB
Inputs to Outputs @ 1 kHz –80 dB
Fader Off @ 1 kHz –80 dB
Common Mode Rejection Ratio (CMRR)
Mic in to Main out, max gain, 1 kHz 70 dB
Maximum Levels
All inputs +22 dBu
1/4" Main Mix +22 dBu
All other outputs +22 dBu
Impedances
Mic in 3.8 kΩ
All other inputs ≥20 kΩ
Tape out 1 kΩ
Phones out 25 Ω
All other outputs 120 Ω Unbalanced,
240 Ω Balanced
Equalization
Low ±15 dB @ 80 Hz
High ±15 dB @ 12 kHz
Low Cut Filter 18 dB/octave @ 100 Hz
Maximum Voltage Gain (EQ Flat)
Mic Input Channel to
Insert Output 50 dB
Tape Output 60 dB
1/4" Main Output 70 dB
Monitor Send 76 dB
FX Send 75 dB
Mono Line Input Channel to
Tape Output 40 dB
Monitor Send 56 dB
FX Send 55 dB
Stereo Line Input Channel to
Tape Output 30 dB
Monitor Send 46 dB
FX Send 45 dB
Tape Input to
Main Output 30 dB
USB Input to
Main Output 30 dB
Digital Effects
I/O Mono Input,
Stereo Output
Number of Presets 16
Meters
Main L/R Mix
Two columns of 12 segments each:
OL (+20 dBu), +15, +10, +6, +3, 0 (0 dBu),
–2, –4, –7, –10, –20, –30
Graphic EQ
Frequency Centers 80, 250, 800, 2.5k, 8k
Gain ±15 dB
Assignable to Main or Monitor, bypassable
Appendix B: Technical Information