What we know about the measurement:

JBL 4349 is a passive bookshelves that cost around 7500 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: 89.1dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 51.3Hz (resp. 36.6Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.1 and would be 5.83 with a perfect subwoofer.
      • Details: NBD: ON 0.506, LW 0.493, SP 0.526, PIR 0.507; SM: SP0.686, PIR0.402; LFQ 1.829, LFX 36Hz
    • Tonality (Preference) Score is 6.53 with an EQ and would be 7.94 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.361, LW 0.331, SP 0.327, PIR 0.298; SM: SP0.943, PIR0.885; LFQ 1.568, LFX 30Hz
  • Link to Original review.
JBL 4349
AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
5 84.0 0.87 2.96
3 109.0 0.9 -2.75
3 187.0 2.95 2.18
3 511.0 1.59 0.88
3 1491.0 2.81 2.81
3 2082.0 2.92 -1.81
3 3801.0 1.88 -2.08
3 7930.0 1.96 -2.69
3 10361.0 1.03 -1.76
Download

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

JBL 4349 filters_auto_eq

AutomaticEQ

JBL 4349 filters_eq_full

Target v.s. EQ

JBL 4349
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
3 25.0 2.14 0.75
3 40.0 2.14 0.75
3 63.0 2.14 0.25
3 100.0 2.14 -0.5
3 160.0 2.14 0.0
3 250.0 2.14 -0.25
3 400.0 2.14 0.0
3 630.0 2.14 0.0
3 1000.0 2.14 -0.25
3 1600.0 2.14 0.75
3 2500.0 2.14 -0.25
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.5
3 10000.0 2.14 -0.5
3 16000.0 2.14 0.5
Download

These EQ is designed for a 15 bands graphical EQ.

JBL 4349
Graphic EQ 31 bands
Set preamp gain to: -0.7dB.
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 0.25
3 80.0 4.32 -0.25
3 100.0 4.32 -0.25
3 125.0 4.32 -0.25
3 160.0 4.32 0.0
3 200.0 4.32 0.25
3 250.0 4.32 -0.25
3 315.0 4.32 0.0
3 400.0 4.32 0.0
3 500.0 4.32 0.0
3 630.0 4.32 0.0
3 800.0 4.32 0.0
3 1000.0 4.32 -0.25
3 1250.0 4.32 0.25
3 1600.0 4.32 0.5
3 2000.0 4.32 -0.25
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.25
3 12000.0 4.32 -0.25
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 4349: comparison between EQs
JBL 4349

Comparison betweens various EQs

JBL 4349

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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