What we know about the measurement:

JBL 4312SE is a passive bookshelves that cost around 3000 USD for a pair.

  • Quality of the measurement data is medium.
  • Origin of the data is JBL.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 49.8Hz (resp. 42.5Hz).
  • Reference level is normalised to 1.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.32 and would be 6.41 with a perfect subwoofer.
      • Details: NBD: ON 0.522, LW 0.348, SP 0.401, PIR 0.368; SM: SP0.725, PIR0.486; LFQ 1.873, LFX 44Hz
    • Tonality (Preference) Score is 6.46 with an EQ and would be 8.43 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.319, LW 0.171, SP 0.336, PIR 0.211; SM: SP0.913, PIR0.94; LFQ 1.873, LFX 41Hz
JBL 4312SE
AutomaticEQ (IIR)
Set preamp gain to: -0.7dB.
Type Freq Q Gain
PK 95.0 1.4 -3.04
PK 184.0 1.55 1.4
PK 522.0 0.75 -1.87
PK 849.0 2.99 2.09
PK 2023.0 1.84 -2.79
PK 6361.0 1.85 -2.52
PK 11882.0 1.37 -3.78
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
JBL 4312SE
Graphic EQ 15 bands
Set preamp gain to: -0.9dB.
Type Freq Q Gain
PK 25.0 2.14 0.75
PK 40.0 2.14 0.75
PK 63.0 2.14 -0.25
PK 100.0 2.14 -0.5
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.0
PK 630.0 2.14 0.25
PK 1000.0 2.14 0.25
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 0.0
PK 10000.0 2.14 -0.25
PK 16000.0 2.14 0.75
Download
This EQ is designed for a 15 bands graphical EQ.
JBL 4312SE
Graphic EQ 31 bands
Set preamp gain to: -1.1dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.75
PK 31.0 4.32 0.75
PK 40.0 4.32 0.75
PK 50.0 4.32 0.75
PK 63.0 4.32 -0.25
PK 80.0 4.32 -0.5
PK 100.0 4.32 -0.5
PK 125.0 4.32 -0.25
PK 160.0 4.32 0.25
PK 200.0 4.32 0.5
PK 250.0 4.32 0.25
PK 315.0 4.32 0.0
PK 400.0 4.32 0.0
PK 500.0 4.32 0.0
PK 630.0 4.32 0.25
PK 800.0 4.32 0.5
PK 1000.0 4.32 0.25
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.25
PK 2000.0 4.32 -0.25
PK 2500.0 4.32 0.0
PK 3150.0 4.32 0.25
PK 4000.0 4.32 0.5
PK 5000.0 4.32 0.25
PK 6300.0 4.32 0.0
PK 8000.0 4.32 0.0
PK 10000.0 4.32 0.0
PK 12000.0 4.32 -0.25
PK 16000.0 4.32 1.0
PK 20000.0 4.32 0.0
Download
This EQ is designed for a 31 bands graphical EQ.
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 4312SE: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
;