What we know about the measurement:

Q Acoustics 5020 is a passive bookshelves that cost around 900 USD for a pair.

  • 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 105.5Hz (resp. 74.7Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.4 and would be 5.32 with a perfect subwoofer.
      • Details: NBD: ON 0.505, LW 0.428, SP 0.342, PIR 0.368; SM: SP0.392, PIR0.0; LFQ 0.407, LFX 68Hz
    • Tonality (Preference) Score is 6.01 with an EQ and would be 8.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.373, LW 0.271, SP 0.295, PIR 0.255; SM: SP0.948, PIR0.931; LFQ 0.554, LFX 45Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Q Acoustics 5020
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 65.0 0.58 2.99
PK 540.0 1.85 2.83
PK 820.0 3.0 -2.12
PK 1288.0 2.9 -2.19
PK 4818.0 2.94 -2.15
PK 8694.0 1.05 -4.42
PK 16239.0 0.64 -4.11
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Q Acoustics 5020
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.5
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.25
PK 630.0 2.14 0.25
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 -0.25
PK 2500.0 2.14 0.0
PK 4000.0 2.14 -0.25
PK 6300.0 2.14 -0.5
PK 10000.0 2.14 -0.75
PK 16000.0 2.14 -0.75
Download
This EQ is designed for a 15 bands graphical EQ.
Q Acoustics 5020
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 0.25
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 0.0
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 0.25
PK 630.0 4.32 0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 -0.5
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 -0.25
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)
Q Acoustics 5020: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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