What we know about the measurement:

Presonus Eris E5 BT is an active bookshelves that cost around 250 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • -3dB (resp. -6db) point v.s. reference is at 58.2Hz (resp. 52.6Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.6dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.59 and would be 5.06 with a perfect subwoofer.
      • Details: NBD: ON 0.679, LW 0.526, SP 0.514, PIR 0.469; SM: SP0.42, PIR0.205; LFQ 0.0, LFX 54Hz
    • Tonality (Preference) Score is 5.62 with an EQ and would be 7.76 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.528, LW 0.297, SP 0.299, PIR 0.251; SM: SP0.939, PIR0.926; LFQ 0.0, LFX 45Hz
  • Link to original Review: akr review. .
  • Note: Data is valid above ~1kHz. The On-Axis is correct below that.
  • Vendor specifications:
    • SPL
      • peak: 110 dB
    • Size
      • Width 178mm
      • Height 261mm
      • Depth 200mm
    • Weight 6.3kg
Presonus Eris E5 BT
AutomaticEQ (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
PK 58.0 0.71 2.99
PK 95.0 1.09 -3.84
PK 792.0 0.87 2.31
PK 1121.0 2.64 -2.99
PK 1480.0 3.0 2.87
PK 4654.0 1.34 -4.52
PK 9319.0 0.78 -3.92
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
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)
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