What we know about the measurement:

JBL COL800 is a passive columns that cost around 500 USD each.

  • Quality of the measurement data is low.
  • Origin of the data is JBL.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Sensitivity: 84.5dB (avg. 100Hz-1kHz for 2.83V estimated at 1m).
    • Sensitivity: 64.5dB computed at the measurement distance (10.0m) over the same frequency range.
  • -3dB (resp. -6db) point v.s. reference is at 115.0Hz (resp. 103.0Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.7dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-80.0°, 80.0°) 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 2.32 and would be 5.99 with a perfect subwoofer.
      • Details: NBD: ON 0.458, LW 0.45, SP 0.527, PIR 0.476; SM: SP0.726, PIR0.377; LFQ 0.345, LFX 102Hz
    • Tonality (Preference) Score is 4.53 with an EQ and would be 7.94 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.305, LW 0.294, SP 0.376, PIR 0.313; SM: SP0.911, PIR0.845; LFQ 0.231, LFX 89Hz
  • Vendor specifications:
    • Dispersion: 160° horizontal and 60° vertical.
    • Sensitivity 88 dB
    • Impedance 8 Ohm
    • SPL
      • max: 110 dB
      • peak: 116 dB
    • Size
      • Width 102mm
      • Height 800mm
      • Depth 93 mm)
    • Weight 5.2 kg
JBL COL800
AutomaticEQ (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
3 98.0 2.69 3.0
3 149.0 2.02 -2.6
3 321.0 2.99 2.42
3 2862.0 1.59 -2.13
3 6361.0 0.74 -2.47
3 11085.0 2.99 -1.83
3 14134.0 2.19 -2.68
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

JBL COL800 filters_auto_eq

AutomaticEQ

JBL COL800 filters_eq_full

Target v.s. EQ

JBL COL800
AutomaticEQ LW (IIR)
Set preamp gain to: -2.1dB.
Type Freq Q Gain
3 211.0 1.72 -2.7
3 310.0 3.0 3.0
3 579.0 3.0 1.6
3 2579.0 1.14 -1.22
3 3650.0 1.94 0.62
3 11085.0 0.26 -1.74
3 13186.0 1.23 -0.75
Download

These EQ optimise for a flat listening window and is a good start for near field listening like on your desk.

JBL COL800: comparison between EQs
JBL COL800

Comparison betweens various EQs

JBL COL800

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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