What we know about the measurement:

Q Acoustics 3030i is a passive bookshelves

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 69.0Hz (resp. 52.7Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.17 and would be 7.48 with a perfect subwoofer.
      • Details: NBD: ON 0.425, LW 0.302, SP 0.408, PIR 0.312; SM: SP0.826, PIR0.771; LFQ 0.279, LFX 49Hz
    • Tonality (Preference) Score is 6.58 with an EQ and would be 8.36 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.351, LW 0.245, SP 0.327, PIR 0.22; SM: SP0.928, PIR0.954; LFQ 0.223, LFX 37Hz
  • Link to original Review: asr review. Links to other reviews: tnw review .
Q Acoustics 3030i
AutomaticEQ (IIR)
Set preamp gain to: -4.7dB.
Type Freq Q Gain
PK 38.0 1.02 2.99
PK 69.0 0.34 2.97
PK 139.0 0.61 -3.92
PK 1244.0 2.93 -3.61
PK 1381.0 1.29 2.21
PK 4495.0 1.63 -2.35
PK 13186.0 0.77 -1.56
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Q Acoustics 3030i
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
PK 25.0 2.14 0.0
PK 40.0 2.14 0.0
PK 63.0 2.14 0.0
PK 100.0 2.14 0.0
PK 160.0 2.14 0.0
PK 250.0 2.14 0.0
PK 400.0 2.14 0.0
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.5
PK 1600.0 2.14 0.75
PK 2500.0 2.14 0.5
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 0.0
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.
Q Acoustics 3030i
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 0.0
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 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 0.0
PK 160.0 4.32 0.0
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
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 0.25
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.25
PK 2000.0 4.32 0.25
PK 2500.0 4.32 0.25
PK 3150.0 4.32 0.0
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.0
PK 16000.0 4.32 0.0
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)
Q Acoustics 3030i: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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