What we know about the measurement:

JBL HDI-1600 is a passive bookshelves that cost around 1800 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: 84.8dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 55.7Hz (resp. 43.9Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.8dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 50.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-50.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.59 and would be 7.54 with a perfect subwoofer.
      • Details: NBD: ON 0.393, LW 0.374, SP 0.39, PIR 0.371; SM: SP0.931, PIR0.839; LFQ 0.654, LFX 41Hz
    • Tonality (Preference) Score is 6.56 with an EQ and would be 8.36 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.29, LW 0.272, SP 0.278, PIR 0.257; SM: SP0.972, PIR0.939; LFQ 0.654, LFX 38Hz
  • Link to Original review.
JBL HDI-1600
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
LS 89.0 0.5 2.85
PK 125.0 1.12 -2.13
PK 309.0 2.39 1.53
PK 565.0 1.63 1.57
PK 691.0 2.39 -0.32
PK 1180.0 2.22 -1.95
PK 2909.0 0.39 0.68
PK 4645.0 2.32 -1.52
NO 8766.0 30.0 -0.74
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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-1600 filters_auto_eq

AutomaticEQ

JBL HDI-1600 filters_eq_full

Target v.s. EQ

JBL HDI-1600
flipflop@ASR (IIR)
Set preamp gain to: -2.2dB.
Type Freq Q Gain
PK 341.0 11.0 1.3
PK 362.0 8.0 -1.0
PK 405.0 20.0 0.9
PK 618.0 9.5 0.7
PK 696.0 13.0 -1.9
PK 778.0 7.0 0.3
PK 1000.0 4.5 -1.5
PK 1280.0 3.2 -1.2
PK 1570.0 16.0 -0.5
PK 1930.0 20.0 0.9
PK 2075.0 17.0 -0.7
PK 2380.0 15.0 -0.6
PK 2590.0 6.0 0.6
PK 4330.0 9.0 -0.6
PK 4850.0 9.5 -0.7
PK 6500.0 4.5 -0.9
PK 8590.0 4.5 -2.0
PK 10400.0 12.0 2.6
PK 16500.0 5.0 3.0
LP 17400.0 0.7071067811865475 0.0
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These EQ is designed by ASR member flipflop.

JBL HDI-1600
Graphic EQ 15 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
PK 25.0 2.14 0.5
PK 40.0 2.14 0.5
PK 63.0 2.14 0.25
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 0.25
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.0
PK 1600.0 2.14 0.0
PK 2500.0 2.14 0.25
PK 4000.0 2.14 0.25
PK 6300.0 2.14 0.25
PK 10000.0 2.14 0.5
PK 16000.0 2.14 0.25
Download

These EQ is designed for a 15 bands graphical EQ.

JBL HDI-1600
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.25
PK 31.0 4.32 0.25
PK 40.0 4.32 0.25
PK 50.0 4.32 0.25
PK 63.0 4.32 0.25
PK 80.0 4.32 0.0
PK 100.0 4.32 0.0
PK 125.0 4.32 -0.25
PK 160.0 4.32 -0.25
PK 200.0 4.32 0.0
PK 250.0 4.32 0.0
PK 315.0 4.32 0.25
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 0.0
PK 1000.0 4.32 -0.25
PK 1250.0 4.32 0.0
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.0
PK 4000.0 4.32 0.0
PK 5000.0 4.32 0.0
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.25
PK 12000.0 4.32 0.25
PK 16000.0 4.32 0.25
PK 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

JBL HDI-1600: comparison between EQs
JBL HDI-1600

Comparison betweens various EQs

JBL HDI-1600

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
Frequency Frequency with EQ
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