Notice

Warning

We have multiple measurements for this speaker. Click here to see the default one (which is higher quality if we have one measurement better than the others).

KEF LS50 is a passive bookshelves that cost around 1500 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 58.4Hz (resp. 45.9Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.02 and would be 7.15 with a perfect subwoofer.
      • Details: NBD: ON 0.465, LW 0.373, SP 0.415, PIR 0.38; SM: SP0.902, PIR0.761; LFQ 0.08, LFX 45Hz
    • Tonality (Preference) Score is 5.53 with an EQ and would be 7.55 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.331, LW 0.315, SP 0.416, PIR 0.34; SM: SP0.854, PIR0.736; LFQ 0.08, LFX 42Hz
  • Link to Original review.
KEF LS50
AutomaticEQ (IIR)
Set preamp gain to: -2.3dB.
Type Freq Q Gain
LS 102.0 0.48 2.96
PK 404.0 1.17 0.88
PK 584.0 2.47 2.23
PK 817.0 2.02 -1.24
PK 1541.0 2.55 2.96
PK 2813.0 1.97 -0.55
PK 4803.0 2.78 -2.85
PK 7669.0 0.72 1.54
LS 14965.0 0.76 -0.64
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
flipflop@ASR (IIR)
Set preamp gain to: -1.2dB.
Type Freq Q Gain
PK 466.0 4.209 -0.6
PK 527.0 1.889 2.2
PK 857.0 1.0 -2.7
PK 1224.0 5.0 -2.0
PK 1459.0 1.123 4.6
PK 1639.0 4.703 -11.5
PK 1645.0 4.807 11.7
PK 2285.0 1.0 -3.1
PK 2400.0 18.0 -0.6
PK 4429.0 1.0 -1.4
PK 4873.0 5.0 -2.3
PK 6985.0 4.998 -2.1
PK 8917.0 5.0 -3.4
PK 10636.0 5.0 -3.1
PK 11460.0 5.0 -2.2
PK 12192.0 1.001 12.0
PK 13179.0 1.386 -12.3
PK 14084.0 5.0 1.2
PK 16192.0 5.0 -1.5
PK 17760.0 5.0 -1.6
Download
This EQ is designed by ASR member flipflop.
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.5
PK 100.0 2.14 0.25
PK 160.0 2.14 -0.25
PK 250.0 2.14 -0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.0
PK 1000.0 2.14 -0.25
PK 1600.0 2.14 0.25
PK 2500.0 2.14 -0.5
PK 4000.0 2.14 -0.5
PK 6300.0 2.14 -0.25
PK 10000.0 2.14 0.0
PK 16000.0 2.14 0.0
Download
This EQ is designed for a 15 bands graphical EQ.
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
PK 63.0 4.32 0.5
PK 80.0 4.32 0.5
PK 100.0 4.32 0.25
PK 125.0 4.32 0.0
PK 160.0 4.32 -0.25
PK 200.0 4.32 -0.25
PK 250.0 4.32 0.0
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.25
PK 630.0 4.32 0.0
PK 800.0 4.32 -0.25
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.5
PK 2000.0 4.32 0.0
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.5
PK 4000.0 4.32 -0.5
PK 5000.0 4.32 -0.5
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.25
PK 10000.0 4.32 0.25
PK 12000.0 4.32 0.25
PK 16000.0 4.32 0.0
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
Quick config:
Quick config:
Quick config:
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