What we know about the measurement:

Presonus Spectre S6 is an active bookshelves that cost around 900 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 52.7Hz (resp. 48.3Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.64 and would be 5.9 with a perfect subwoofer.
      • Details: NBD: ON 0.548, LW 0.558, SP 0.624, PIR 0.572; SM: SP0.741, PIR0.557; LFQ 0.982, LFX 48Hz
    • Tonality (Preference) Score is 5.21 with an EQ and would be 7.34 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.445, LW 0.432, SP 0.496, PIR 0.441; SM: SP0.927, PIR0.902; LFQ 0.865, LFX 45Hz
  • Link to original Review: asr review. .
  • Vendor specifications:
    • SPL
      • peak: 109 dB
    • Size
      • Width 339mm
      • Height 335mm
      • Depth 301mm
    • Weight 8.5kg
Presonus Spectre S6
AutomaticEQ (IIR)
Set preamp gain to: -1.8dB.
Type Freq Q Gain
PK 46.0 2.97 1.97
PK 289.0 1.14 2.03
PK 299.0 0.45 -1.82
PK 540.0 2.94 2.82
PK 643.0 3.0 -1.56
PK 1954.0 2.98 2.59
PK 9319.0 0.47 -4.2
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Presonus Spectre S6
Graphic EQ 31 bands
Set preamp gain to: -3.4dB.
Type Freq Q Gain
PK 20.0 4.32 -0.0
PK 25.0 4.32 1.75
PK 31.0 4.32 1.75
PK 40.0 4.32 2.0
PK 50.0 4.32 1.5
PK 63.0 4.32 -0.0
PK 80.0 4.32 -0.75
PK 100.0 4.32 -1.0
PK 125.0 4.32 -1.0
PK 160.0 4.32 -0.75
PK 200.0 4.32 -0.5
PK 250.0 4.32 -0.0
PK 315.0 4.32 0.5
PK 400.0 4.32 0.25
PK 500.0 4.32 0.75
PK 630.0 4.32 -0.25
PK 800.0 4.32 -0.75
PK 1000.0 4.32 0.25
PK 1250.0 4.32 1.0
PK 1600.0 4.32 1.0
PK 2000.0 4.32 1.0
PK 2500.0 4.32 -0.5
PK 3150.0 4.32 -0.0
PK 4000.0 4.32 -0.0
PK 5000.0 4.32 -0.75
PK 6300.0 4.32 -0.75
PK 8000.0 4.32 -1.5
PK 10000.0 4.32 -1.5
PK 12000.0 4.32 -1.5
PK 16000.0 4.32 3.5
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)
Presonus Spectre S6: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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