What we know about the measurement:

JBL Synthesis SCL-1 is a passive inwall that cost around 15000 USD each.

  • 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 53.0Hz (resp. 50.2Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for inwall speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 3.76 and would be 6.09 with a perfect subwoofer.
      • Details: NBD: ON 0.456, LW 0.394, SP 0.472, PIR 0.397; SM: SP0.523, PIR0.315; LFQ 3.393, LFX 50Hz
    • Tonality (Preference) Score is 5.98 with an EQ and would be 8.25 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.336, LW 0.262, SP 0.34, PIR 0.247; SM: SP0.933, PIR0.926; LFQ 3.393, LFX 48Hz
  • Link to original Review: avs review. .
  • Vendor specifications:
    • Dispersion: 120° horizontal and 100° vertical.
    • Sensitivity 94 dB
    • Impedance 4 Ohm
    • SPL
      • peak: 133 dB
    • Size
      • Width 482mm
      • Height 1218mm
      • Depth 368mm
    • Weight 80.5kg
JBL Synthesis SCL-1
AutomaticEQ (IIR)
Set preamp gain to: -1.8dB.
Type Freq Q Gain
LS 53.0 0.98 1.72
PK 121.0 2.98 -2.11
PK 169.0 0.68 2.74
PK 432.0 3.0 2.02
PK 646.0 2.98 2.7
PK 3216.0 2.19 -1.92
PK 5677.0 2.98 -2.18
PK 7930.0 2.3 -1.97
LS 10361.0 0.74 -1.6
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
JBL Synthesis SCL-1
Graphic EQ 15 bands
Set preamp gain to: -0.7dB.
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 0.0
PK 160.0 2.14 0.25
PK 250.0 2.14 0.25
PK 400.0 2.14 0.5
PK 630.0 2.14 0.5
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 0.0
PK 16000.0 2.14 0.75
Download
This EQ is designed for a 15 bands graphical EQ.
JBL Synthesis SCL-1
Graphic EQ 31 bands
Set preamp gain to: -0.8dB.
Type Freq Q Gain
PK 20.0 4.32 0.0
PK 25.0 4.32 0.5
PK 31.0 4.32 0.5
PK 40.0 4.32 0.5
PK 50.0 4.32 0.5
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 0.0
PK 160.0 4.32 0.25
PK 200.0 4.32 0.25
PK 250.0 4.32 0.25
PK 315.0 4.32 0.25
PK 400.0 4.32 0.5
PK 500.0 4.32 0.25
PK 630.0 4.32 0.5
PK 800.0 4.32 0.0
PK 1000.0 4.32 0.0
PK 1250.0 4.32 0.25
PK 1600.0 4.32 0.0
PK 2000.0 4.32 0.0
PK 2500.0 4.32 -0.25
PK 3150.0 4.32 -0.25
PK 4000.0 4.32 0.0
PK 5000.0 4.32 -0.25
PK 6300.0 4.32 -0.25
PK 8000.0 4.32 -0.25
PK 10000.0 4.32 0.0
PK 12000.0 4.32 0.25
PK 16000.0 4.32 0.75
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 Synthesis SCL-1: comparison between EQs
AutomaticEQ
Target v.s. EQ
Comparison betweens various EQs
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