What we know about the measurement:

Selah Audio Purezza is a passive bookshelves that cost around 2700 USD each.

  • Quality of the measurement data is unknown.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • -3dB (resp. -6db) point v.s. reference is at 86.0Hz (resp. 46.2Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.4 and would be 7.43 with a perfect subwoofer.
      • Details: NBD: ON 0.325, LW 0.245, SP 0.282, PIR 0.263; SM: SP0.834, PIR0.58; LFQ 1.004, LFX 42Hz
    • Tonality (Preference) Score is 7.27 with an EQ and would be 8.71 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.238, LW 0.155, SP 0.277, PIR 0.199; SM: SP0.967, PIR0.955; LFQ 0.933, LFX 31Hz
  • Link to original Review: eac review. Links to other reviews: asr review .
Selah Audio Purezza
AutomaticEQ (IIR)
Set preamp gain to: -5.1dB.
Type Freq Q Gain
PK 31.0 2.29 2.97
PK 88.0 0.25 3.0
PK 560.0 0.39 -1.52
PK 942.0 2.78 1.36
PK 3525.0 2.99 -0.85
PK 8694.0 2.87 2.0
PK 15685.0 0.79 -0.56
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Selah Audio Purezza
Graphic EQ 15 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 25.0 2.14 0.75
PK 40.0 2.14 0.75
PK 63.0 2.14 0.75
PK 100.0 2.14 0.75
PK 160.0 2.14 0.5
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 -0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 -0.5
PK 2500.0 2.14 -0.25
PK 4000.0 2.14 -0.25
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.
Selah Audio Purezza
Graphic EQ 31 bands
Set preamp gain to: -1.2dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.75
PK 31.0 4.32 0.75
PK 40.0 4.32 0.75
PK 50.0 4.32 0.75
PK 63.0 4.32 0.75
PK 80.0 4.32 0.75
PK 100.0 4.32 0.75
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 -0.25
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 -0.25
PK 1600.0 4.32 -0.5
PK 2000.0 4.32 -0.25
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 -0.25
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 -0.25
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)
Selah Audio Purezza: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;