JBL SCS 8 is a passive surround that cost around 600 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity:
    • Company: 94 dB
    • Measured: 89.8 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 87.9Hz (resp. 77.6Hz).
  • Reference level is normalised to -0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 6.8dB over the same frequency range.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for surround speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is -1.87 and would be 1.27 with a perfect subwoofer.
      • Details: NBD: ON 1.811, LW 1.008, SP 1.001, PIR 0.909; SM: SP0.633, PIR0.352; LFQ 1.389, LFX 77Hz
    • Tonality (Preference) Score is 0.87 with an EQ and would be 3.75 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 1.368, LW 0.697, SP 0.914, PIR 0.733; SM: SP0.832, PIR0.719; LFQ 1.171, LFX 67Hz
  • Link to original Review: eac review. .
JBL SCS 8

Vendor specifications

  • Dispersion: 120° horizontal and 120° vertical.
  • Impedance 8 Ohm
  • SPL
    • max: 118 dB
  • Size
    • Width 300mm
    • Height 300mm
    • Depth 305mm
  • Weight 11.4kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -3.6dB.
Type Freq Q Gain
PK 77.0 2.33 3.0
PK 125.0 1.36 -6.43
PK 130.0 0.26 2.97
PK 600.0 3.0 2.99
PK 739.0 2.99 -4.17
PK 6585.0 3.0 -5.36
PK 10707.0 2.74 -6.51
Download
This EQ optimise the Harman score and is a good start for far field listening like in your living room.
Quick config:
Quick config:
Quick config:
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