What we know about the measurement:

Presonus Eris E8 XT is an active bookshelves that cost around 420 USD for a pair.

  • 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 201.4Hz (resp. 201.4Hz).
  • Reference level is normalised to 0.8dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.05 and would be 6.98 with a perfect subwoofer.
      • Details: NBD: ON 0.41, LW 0.344, SP 0.367, PIR 0.324; SM: SP0.73, PIR0.556; LFQ 10.0, LFX 201Hz
    • Tonality (Preference) Score is 3.4 with an EQ and would be 8.32 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.32, LW 0.241, SP 0.273, PIR 0.207; SM: SP0.91, PIR0.887; LFQ 10.0, LFX 201Hz
  • Link to Original review.
Presonus Eris E8 XT
AutomaticEQ (IIR)
Set preamp gain to: -0.9dB.
Type Freq Q Gain
3 369.0 1.7 -2.43
3 382.0 3.0 2.87
3 1083.0 1.24 -0.94
3 1586.0 2.88 -0.81
3 6585.0 2.31 1.22
3 9989.0 2.73 -1.17
3 14134.0 2.3 -5.01
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Presonus Eris E8 XT filters_auto_eq

AutomaticEQ

Presonus Eris E8 XT filters_eq_full

Target v.s. EQ

Presonus Eris E8 XT
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.0
3 2500.0 2.14 0.0
3 4000.0 2.14 0.0
3 6300.0 2.14 0.25
3 10000.0 2.14 -0.25
3 16000.0 2.14 -0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Presonus Eris E8 XT
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.25
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 0.25
3 1600.0 4.32 0.25
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.0
3 4000.0 4.32 0.25
3 5000.0 4.32 0.25
3 6300.0 4.32 0.5
3 8000.0 4.32 0.25
3 10000.0 4.32 0.0
3 12000.0 4.32 -0.25
3 16000.0 4.32 -0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Presonus Eris E8 XT: comparison between EQs
Presonus Eris E8 XT

Comparison betweens various EQs

Presonus Eris E8 XT

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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