What we know about the measurement:

JBL COL600 is a passive columns that cost around 300 USD each.

  • Quality of the measurement data is low.
  • Origin of the data is JBL.
  • Format of the data is a GLL file .
  • -3dB (resp. -6db) point v.s. reference is at 106.0Hz (resp. 95.0Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.04 and would be 6.51 with a perfect subwoofer.
      • Details: NBD: ON 0.523, LW 0.524, SP 0.577, PIR 0.554; SM: SP0.878, PIR0.771; LFQ 0.401, LFX 92Hz
    • Tonality (Preference) Score is 4.71 with an EQ and would be 8.02 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.305, LW 0.307, SP 0.382, PIR 0.341; SM: SP0.953, PIR0.915; LFQ 0.401, LFX 84Hz
  • Vendor specifications:
    • Dispersion: 160° horizontal and 70° vertical.
    • Sensitivity 86 dB
    • Impedance 8 Ohm
    • SPL
      • max: 105 dB
      • peak: 111 dB
    • Size
      • Width 102mm
      • Height 598mm
      • Depth 93mm
    • Weight 3.7kg
JBL COL600
AutomaticEQ (IIR)
Set preamp gain to: -2.4dB.
Type Freq Q Gain
PK 98.0 2.99 3.0
PK 279.0 1.83 2.99
PK 289.0 0.42 -1.7
PK 1010.0 2.69 1.66
PK 2964.0 2.65 -2.17
PK 5934.0 2.99 -1.76
PK 7834.0 2.88 -0.56
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
JBL COL600
AutomaticEQ LW (IIR)
Set preamp gain to: -3.6dB.
Type Freq Q Gain
PK 160.0 2.41 -2.47
PK 289.0 2.35 2.06
PK 504.0 1.47 -1.2
PK 643.0 2.99 1.6
PK 2765.0 2.98 -2.44
PK 8397.0 0.29 0.87
PK 15685.0 2.99 2.98
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Improvement made by adding the above EQ
EQ
AutoEQ
Target v.s. EQ
Target v.s. EQ
Histogram of errors
On Axis (fullrange)
Listening Window (fullrange)
Predicted In-Room Response (fullrange)
JBL COL600: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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