What we know about the measurement:

Mackie CR4 is an active bookshelves that cost around 100 USD each.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • Link to original Review: asr review. .
Mackie CR4
AutomaticEQ (IIR)
Set preamp gain to: -2.6dB.
Type Freq Q Gain
PK 54.0 0.82 2.93
PK 95.0 1.65 -2.86
PK 134.0 1.44 -3.39
PK 579.0 1.71 2.76
PK 1532.0 3.0 -2.85
PK 3912.0 2.13 -2.89
PK 12736.0 0.61 -5.11
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Mackie CR4 filters_auto_eq

AutomaticEQ

Mackie CR4 filters_eq_full

Target v.s. EQ

Mackie CR4
AutomaticEQ LW (IIR)
Set preamp gain to: -2.3dB.
Type Freq Q Gain
PK 65.0 2.99 3.0
PK 105.0 1.12 -3.63
PK 144.0 1.99 -1.62
PK 560.0 1.51 2.51
PK 1532.0 2.99 -2.74
PK 3779.0 2.08 -3.32
PK 12736.0 0.89 -4.27
Download

These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

Mackie CR4: comparison between EQs
Mackie CR4

Comparison betweens various EQs

Mackie CR4

Improvements made by EQ

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