What we know about the measurement:

Mackie HR824 is an active bookshelves

  • Quality of the measurement data is unknown.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 43.7Hz (resp. 35.5Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.6dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 6.53 and would be 7.99 with a perfect subwoofer.
      • Details: NBD: ON 0.213, LW 0.25, SP 0.367, PIR 0.278; SM: SP0.823, PIR0.721; LFQ 1.037, LFX 31Hz
    • Tonality (Preference) Score is 7.49 with an EQ and would be 8.82 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.157, LW 0.161, SP 0.322, PIR 0.216; SM: SP0.938, PIR0.938; LFQ 1.037, LFX 29Hz
  • Link to original Review: asr review. .
Mackie HR824
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 32.0 1.24 2.97
PK 166.0 0.6 -1.89
PK 600.0 2.95 -1.35
PK 1083.0 2.96 0.67
PK 6585.0 2.9 -0.33
PK 8397.0 1.04 -2.12
PK 15150.0 2.33 -2.88
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Mackie HR824
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
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 -0.25
PK 160.0 2.14 -0.5
PK 250.0 2.14 -0.25
PK 400.0 2.14 -0.25
PK 630.0 2.14 0.0
PK 1000.0 2.14 0.5
PK 1600.0 2.14 0.75
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.5
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 -0.25
Download
This EQ is designed for a 15 bands graphical EQ.
Mackie HR824
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.0
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.25
PK 100.0 4.32 -0.25
PK 125.0 4.32 -0.25
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 -0.25
PK 400.0 4.32 -0.25
PK 500.0 4.32 -0.25
PK 630.0 4.32 -0.25
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.25
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 -0.25
PK 12000.0 4.32 0.0
PK 16000.0 4.32 -0.5
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 HR824: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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