What we know about the measurement:

Epos ES14N is a passive bookshelves that cost around 2000 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 51.2Hz (resp. 41.6Hz).
  • Reference level is normalised to 0.5dB 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 6.48 and would be 8.07 with a perfect subwoofer.
      • Details: NBD: ON 0.311, LW 0.294, SP 0.324, PIR 0.283; SM: SP0.902, PIR0.87; LFQ 1.097, LFX 34Hz
    • Tonality (Preference) Score is 7.44 with an EQ and would be 8.7 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.271, LW 0.232, SP 0.227, PIR 0.178; SM: SP0.957, PIR0.962; LFQ 1.403, LFX 28Hz
  • Link to original Review: ref review. Links to other reviews: whf review , ahl review , avf review .
  • Note: data is Klippel generated, voltage is 2.83V and results are smoothed at 1/12 octave which may increase the score a bit.
  • Vendor specifications:
    • Sensitivity 87 dB
    • Impedance 4.3 Ohm
    • Size
      • Width 250mm
      • Height 491mm
      • Depth 385mm
    • Weight 16kg
Epos ES14N
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 29.0 0.53 2.99
PK 113.0 0.8 -1.78
PK 942.0 0.33 -1.55
PK 976.0 1.77 1.18
PK 2023.0 2.97 2.1
PK 8110.0 0.86 -1.94
PK 16239.0 0.53 2.96
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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