What we know about the measurement:

JBL CBT 1000 is a passive cbt speaker that cost around 2600USD each .

  • Quality of the measurement data is low .
  • Origin of the data is JBL.
  • Format of the data is a GLL file .
  • Sensitivity: 108.4dB (avg. 100Hz-1kHz for 2.83V estimated at 1m) . Sensitivity computed at the measurement distance (10m) over the same frequency range: 88.4dB.
  • -3dB (resp. -6db) point v.s. reference is at 115.0Hz (resp. 85.0Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-60.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-10.0°, 10.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.72 and would be 7.19 with a perfect subwoofer.
      • Details: NBD: ON 0.208, LW 0.168, SP 0.218, PIR 0.177; SM: SP0.088, PIR0.24; LFQ 2.238, LFX 92Hz
    • Tonality (Preference) Score is 6.86 with an EQ and would be 9.08 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.112, LW 0.105, SP 0.227, PIR 0.148; SM: SP0.892, PIR0.917; LFQ 1.692, LFX 47Hz
  • Note: Data provided by JBL in GLL format is highly variable, beware. It ranges from excellent to surprising
  • Vendor specifications:
    • Dispersion: 160° horizontal and 60° vertical.
    • Sensitivity 95 dB
    • Impedance 4 Ohm
    • SPL
      • max: 127 dB
      • peak: 130 dB
      • pink_noise: 124 dB
    • Size
      • Width 250mm
      • Height 1020mm
      • Depth 345 mm)
    • Weight 24.5 kg
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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