What we know about the measurement:

Elac BS 314 is a passive bookshelves

  • 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 .
  • Sensitivity: 68.8dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 128.9Hz (resp. 95.2Hz).
  • Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.51 and would be 5.88 with a perfect subwoofer.
      • Details: NBD: ON 0.488, LW 0.412, SP 0.474, PIR 0.42; SM: SP0.653, PIR0.291; LFQ 0.0, LFX 87Hz
    • Tonality (Preference) Score is 5.5 with an EQ and would be 8.12 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.357, LW 0.279, SP 0.349, PIR 0.277; SM: SP0.941, PIR0.929; LFQ 0.0, LFX 58Hz
  • Link to original Review: dci review. .
  • Note: Data gated at 5ms so valid above 200Hz/300Hz and smoothed 1/24th of octave. Sealed measurement.
Elac BS 314
AutomaticEQ (IIR)
Set preamp gain to: -4.5dB.
Type Freq Q Gain
5 128.0 1.12 2.92
3 1442.0 0.39 -2.06
3 1762.0 0.93 1.98
3 3438.0 2.81 2.83
3 4345.0 3.0 -2.88
3 5490.0 0.26 -1.1
3 6489.0 0.54 -1.52
3 11077.0 0.49 -1.61
5 15474.0 0.33 1.59
Download

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

Elac BS 314 filters_auto_eq

AutomaticEQ

Elac BS 314 filters_eq_full

Target v.s. EQ

Elac BS 314
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
3 25.0 2.14 0.5
3 40.0 2.14 0.5
3 63.0 2.14 0.5
3 100.0 2.14 0.5
3 160.0 2.14 0.25
3 250.0 2.14 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.75
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.5
Download

These EQ is designed for a 15 bands graphical EQ.

Elac BS 314
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.5
3 31.0 4.32 0.5
3 40.0 4.32 0.5
3 50.0 4.32 0.5
3 63.0 4.32 0.5
3 80.0 4.32 0.5
3 100.0 4.32 0.5
3 125.0 4.32 0.5
3 160.0 4.32 0.25
3 200.0 4.32 0.25
3 250.0 4.32 0.25
3 315.0 4.32 0.25
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 0.0
3 1600.0 4.32 0.0
3 2000.0 4.32 0.0
3 2500.0 4.32 -0.5
3 3150.0 4.32 0.0
3 4000.0 4.32 -0.5
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.25
3 10000.0 4.32 -0.5
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.

Elac BS 314: comparison between EQs
Elac BS 314

Comparison betweens various EQs

Elac BS 314

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
;