What we know about the measurement:

JBL 100 Classic is a passive bookshelves

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • Sensitivity: 91.2dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 201.4Hz (resp. 201.4Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.12 and would be 6.05 with a perfect subwoofer.
      • Details: NBD: ON 0.507, LW 0.448, SP 0.406, PIR 0.408; SM: SP0.545, PIR0.368; LFQ 10.0, LFX 201Hz
    • Tonality (Preference) Score is 3.77 with an EQ and would be 8.69 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.302, LW 0.174, SP 0.197, PIR 0.13; SM: SP0.851, PIR0.931; LFQ 10.0, LFX 201Hz
  • Link to Original review.
JBL 100 Classic
AutomaticEQ (IIR)
Set preamp gain to: -1.8dB.
Type Freq Q Gain
3 270.0 2.71 -2.32
3 879.0 2.8 1.95
3 1083.0 3.0 -1.54
3 2168.0 0.25 0.75
3 2245.0 2.17 -3.34
3 4989.0 2.12 -2.82
3 14633.0 3.0 -1.1
Download

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

JBL 100 Classic filters_auto_eq

AutomaticEQ

JBL 100 Classic filters_eq_full

Target v.s. EQ

JBL 100 Classic
Graphic EQ 15 bands
Set preamp gain to: -0.3dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 -0.25
3 400.0 2.14 0.25
3 630.0 2.14 0.25
3 1000.0 2.14 0.0
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.75
3 4000.0 2.14 -0.5
3 6300.0 2.14 -0.5
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 100 Classic
Graphic EQ 31 bands
Set preamp gain to: -0.4dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
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 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.0
3 1250.0 4.32 0.0
3 1600.0 4.32 -0.25
3 2000.0 4.32 -0.5
3 2500.0 4.32 -0.5
3 3150.0 4.32 -0.25
3 4000.0 4.32 -0.25
3 5000.0 4.32 -0.5
3 6300.0 4.32 -0.25
3 8000.0 4.32 0.0
3 10000.0 4.32 0.0
3 12000.0 4.32 -0.25
3 16000.0 4.32 0.0
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

JBL 100 Classic: comparison between EQs
JBL 100 Classic

Comparison betweens various EQs

JBL 100 Classic

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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