What we know about the measurement:

JBL HDI-3600 is a passive floorstanders that cost around 3800 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 89.5dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 67.4Hz (resp. 52.7Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.1dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 20.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.76 and would be 7.07 with a perfect subwoofer.
      • Details: NBD: ON 0.478, LW 0.457, SP 0.461, PIR 0.432; SM: SP0.896, PIR0.807; LFQ 0.903, LFX 49Hz
    • Tonality (Preference) Score is 6.01 with an EQ and would be 8.09 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.389, LW 0.344, SP 0.287, PIR 0.266; SM: SP0.955, PIR0.936; LFQ 0.763, LFX 43Hz
  • Link to Original review.
JBL HDI-3600
AutomaticEQ (IIR)
Set preamp gain to: -2.9dB.
Type Freq Q Gain
5 89.0 0.4 2.93
3 245.0 1.58 0.75
3 511.0 2.4 1.54
3 1261.0 2.38 -0.98
3 1948.0 2.76 2.71
3 4492.0 1.89 -0.28
3 5870.0 1.93 1.81
3 10361.0 2.86 2.81
3 13092.0 1.24 -1.3
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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 HDI-3600 filters_auto_eq

AutomaticEQ

JBL HDI-3600 filters_eq_full

Target v.s. EQ

JBL HDI-3600
flipflop@ASR (IIR)
Set preamp gain to: -1.2dB.
Type Freq Q Gain
3 348.0 16.0 -1.2
3 573.0 5.0 1.2
3 670.0 5.0 -2.0
3 817.0 10.0 0.6
3 994.0 4.395 -1.2
3 1271.0 5.0 -1.5
3 1410.0 13.0 0.5
3 1560.0 13.0 -1.0
3 2000.0 5.0 1.7
3 2220.0 28.0 0.9
3 2380.0 21.0 -0.7
3 3670.0 1.0 -1.0
3 5700.0 14.0 0.6
3 6911.0 4.977 -0.7
3 8517.0 5.0 -2.3
3 10118.0 5.0 2.7
3 13347.0 1.826 -3.3
3 15500.0 8.0 -0.6
3 17870.0 8.0 -2.5
3 18637.0 5.0 -9.8
Download

These EQ is designed by ASR member flipflop.

JBL HDI-3600
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 0.0
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 0.0
3 1600.0 2.14 0.25
3 2500.0 2.14 0.25
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 -0.25
Download

These EQ is designed for a 15 bands graphical EQ.

JBL HDI-3600
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 0.25
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 0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.25
3 500.0 4.32 0.25
3 630.0 4.32 0.0
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 -0.25
3 1600.0 4.32 0.0
3 2000.0 4.32 0.25
3 2500.0 4.32 0.0
3 3150.0 4.32 0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 0.25
3 6300.0 4.32 0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 0.75
3 12000.0 4.32 0.0
3 16000.0 4.32 0.25
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

JBL HDI-3600: comparison between EQs
JBL HDI-3600

Comparison betweens various EQs

JBL HDI-3600

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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