What we know about the measurement:

Elac Uni-Fi Reference UCR52 is a passive center that cost around 700 USD

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 85.5dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 51.3Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-50.0°, 80.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.85 and would be 6.21 with a perfect subwoofer.
      • Details: NBD: ON 0.777, LW 0.486, SP 0.445, PIR 0.396; SM: SP0.836, PIR0.712; LFQ 1.089, LFX 51Hz
    • Tonality (Preference) Score is 5.52 with an EQ and would be 7.65 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.576, LW 0.317, SP 0.328, PIR 0.241; SM: SP0.938, PIR0.918; LFQ 0.936, LFX 45Hz
  • Link to Original review.
Elac Uni-Fi Reference UCR52
AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
3 51.0 2.02 2.95
3 184.0 1.47 2.77
3 270.0 2.41 -2.5
3 1532.0 1.97 3.0
3 1586.0 0.25 -1.47
3 2964.0 2.9 2.39
3 9648.0 2.45 -1.75
Download

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

Elac Uni-Fi Reference UCR52 filters_auto_eq

AutomaticEQ

Elac Uni-Fi Reference UCR52 filters_eq_full

Target v.s. EQ

Elac Uni-Fi Reference UCR52
Graphic EQ 15 bands
Set preamp gain to: -0.8dB.
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 0.0
3 160.0 2.14 0.25
3 250.0 2.14 -0.25
3 400.0 2.14 -0.25
3 630.0 2.14 -0.25
3 1000.0 2.14 -0.25
3 1600.0 2.14 0.5
3 2500.0 2.14 0.25
3 4000.0 2.14 0.25
3 6300.0 2.14 0.0
3 10000.0 2.14 0.0
3 16000.0 2.14 0.75
Download

These EQ is designed for a 15 bands graphical EQ.

Elac Uni-Fi Reference UCR52
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 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
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 -0.25
3 630.0 4.32 -0.25
3 800.0 4.32 -0.25
3 1000.0 4.32 -0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.5
3 2000.0 4.32 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.25
3 4000.0 4.32 0.25
3 5000.0 4.32 0.0
3 6300.0 4.32 0.0
3 8000.0 4.32 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 0.25
3 16000.0 4.32 0.75
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Elac Uni-Fi Reference UCR52: comparison between EQs
Elac Uni-Fi Reference UCR52

Comparison betweens various EQs

Elac Uni-Fi Reference UCR52

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
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