What we know about the measurement:

JBL Stage 280F is a passive floorstanders that cost around 1200 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 50.5Hz (resp. 41.0Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.5dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.91 and would be 6.37 with a perfect subwoofer.
      • Details: NBD: ON 0.559, LW 0.537, SP 0.551, PIR 0.481; SM: SP0.842, PIR0.654; LFQ 1.043, LFX 31Hz
    • Tonality (Preference) Score is 6.21 with an EQ and would be 7.11 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.519, LW 0.487, SP 0.541, PIR 0.429; SM: SP0.922, PIR0.865; LFQ 1.043, LFX 23Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
  • Vendor specifications:
    • Sensitivity 91 dB
    • Impedance 6 Ohm
    • Size
      • Width 357mm
      • Height 1113mm
      • Depth 420mm
    • Weight 25.1kg
JBL Stage 280F
AutomaticEQ (IIR)
Set preamp gain to: -4.9dB.
Type Freq Q Gain
PK 22.0 1.81 3.0
PK 51.0 0.33 2.96
PK 77.0 1.3 -3.66
PK 155.0 1.53 0.86
PK 1161.0 2.99 1.57
PK 4194.0 0.5 -2.1
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
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)
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