Mackie ProFX4v2 Manual Do Proprietário

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Owner’
s Manual
17
Owner’s Manual
Specifications
Noise Characteristics
Equivalent Input Noise (EIN) 
(150 
1 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 k
1
All other inputs  
 
 
 
            
*20 k1 
Tape out    
 
 
 
 
 1 k
1
Phones 
out 
 
     
25 
1
All other outputs    
 
120 
1 Unbalanced, 
240 
1 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