What we know about the measurement:

JBL LS 80 is a passive floorstanders

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • Sensitivity: 90.3dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 67.1Hz (resp. 53.4Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.67 and would be 6.35 with a perfect subwoofer.
      • Details: NBD: ON 0.593, LW 0.475, SP 0.522, PIR 0.437; SM: SP0.786, PIR0.626; LFQ 1.152, LFX 35Hz
    • Tonality (Preference) Score is 6.23 with an EQ and would be 7.62 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.486, LW 0.374, SP 0.376, PIR 0.3; SM: SP0.921, PIR0.884; LFQ 1.359, LFX 30Hz
  • Link to Original review.
JBL LS 80
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
5 67.0 1.01 2.94
3 342.0 2.86 -0.25
3 432.0 2.8 2.18
3 547.0 1.75 -2.79
3 933.0 2.54 1.12
3 2014.0 2.59 1.97
3 4202.0 2.98 -2.13
3 9372.0 2.87 -2.39
6 13537.0 0.55 -2.63
Download

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

JBL LS 80 filters_auto_eq

AutomaticEQ

JBL LS 80 filters_eq_full

Target v.s. EQ

JBL LS 80
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 -0.25
3 160.0 2.14 0.0
3 250.0 2.14 0.25
3 400.0 2.14 0.25
3 630.0 2.14 0.0
3 1000.0 2.14 0.5
3 1600.0 2.14 0.5
3 2500.0 2.14 0.5
3 4000.0 2.14 0.0
3 6300.0 2.14 0.25
3 10000.0 2.14 -0.25
3 16000.0 2.14 0.0
Download

These EQ is designed for a 15 bands graphical EQ.

JBL LS 80
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 0.25
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 -0.25
3 400.0 4.32 0.0
3 500.0 4.32 -0.5
3 630.0 4.32 -0.5
3 800.0 4.32 0.0
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 0.25
3 2500.0 4.32 0.25
3 3150.0 4.32 0.0
3 4000.0 4.32 -0.25
3 5000.0 4.32 0.25
3 6300.0 4.32 0.0
3 8000.0 4.32 0.75
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.5
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

JBL LS 80: comparison between EQs
JBL LS 80

Comparison betweens various EQs

JBL LS 80

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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