What we know about the measurement:

Mackie CR3-X is an active bookshelves that cost around 100 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 74.7Hz (resp. 68.8Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.4dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.14 and would be 5.05 with a perfect subwoofer.
      • Details: NBD: ON 0.659, LW 0.549, SP 0.459, PIR 0.456; SM: SP0.543, PIR0.162; LFQ 0.224, LFX 68Hz
    • Tonality (Preference) Score is 5.12 with an EQ and would be 8.0 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.456, LW 0.339, SP 0.32, PIR 0.221; SM: SP0.914, PIR0.912; LFQ 0.24, LFX 67Hz
  • Link to original Review: eac review. Links to other reviews: asr review .
Mackie CR3-X
AutomaticEQ (IIR)
Set preamp gain to: -1.7dB.
Type Freq Q Gain
PK 72.0 2.92 3.0
PK 105.0 0.94 -6.29
PK 689.0 0.27 2.46
PK 2406.0 0.8 -4.65
PK 5934.0 2.95 -1.61
PK 9001.0 3.0 -2.62
PK 15685.0 0.73 -6.81
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Mackie CR3-X
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
PK 25.0 2.14 0.25
PK 40.0 2.14 0.25
PK 63.0 2.14 0.25
PK 100.0 2.14 -0.75
PK 160.0 2.14 -0.5
PK 250.0 2.14 0.0
PK 400.0 2.14 0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.0
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 -0.5
PK 4000.0 2.14 -0.5
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.75
PK 16000.0 2.14 -1.0
Download
This EQ is designed for a 15 bands graphical EQ.
Mackie CR3-X
Graphic EQ 31 bands
Set preamp gain to: -0.0dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.0
PK 31.0 4.32 0.0
PK 40.0 4.32 0.0
PK 50.0 4.32 0.0
PK 63.0 4.32 0.0
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.5
PK 125.0 4.32 -0.5
PK 160.0 4.32 -0.5
PK 200.0 4.32 -0.25
PK 250.0 4.32 -0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 0.0
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 -0.5
PK 2000.0 4.32 -0.75
PK 2500.0 4.32 -0.75
PK 3150.0 4.32 -0.75
PK 4000.0 4.32 -0.5
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 -0.5
PK 8000.0 4.32 -0.75
PK 10000.0 4.32 -0.75
PK 12000.0 4.32 -0.75
PK 16000.0 4.32 -0.75
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
Mackie CR3-X: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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