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

  • Quality of the measurement data is low.
  • Origin of the data is JBL.
  • Format of the data is a GLL file .
  • Sensitivity:
    • Company: 95 dB
    • Measured: 99.9 dB (avg. 300Hz-3kHz for 2.83V estimated at 1m).
    • Measured: 79.9 dB computed at the measurement distance (10.0m) over the same frequency range.
  • -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.
  • Tonality (Preference) Score
    • Note: The tonality (Preference) score does not make sense for cbt speakers. Don't give too much credits to the value.
    • Tonality (Preference) Score is 3.76 and would be 7.23 with a perfect subwoofer.
      • Details: NBD: ON 0.208, LW 0.168, SP 0.218, PIR 0.177; SM: SP0.151, PIR0.257; LFQ 2.238, LFX 92Hz
    • Tonality (Preference) Score is 6.05 with an EQ and would be 8.27 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.112, LW 0.105, SP 0.227, PIR 0.148; SM: SP0.282, PIR0.566; LFQ 1.692, LFX 47Hz
  • Note: Data provided by JBL in GLL format is highly variable, beware. It ranges from excellent to surprising.
JBL CBT 1000

Vendor specifications

  • Dispersion: 160° horizontal and 60° vertical.
  • Impedance 4 Ohm
  • SPL
    • max: 127 dB
    • peak: 130 dB
    • pink_noise: 124 dB
  • Size
    • Width 250mm
    • Height 1020mm
    • Depth 345mm
  • Weight 24.5kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 51.0 0.42 2.97
PK 321.0 1.64 2.51
PK 470.0 2.97 0.3
PK 1887.0 1.51 -0.87
PK 3289.0 2.93 -0.87
PK 4818.0 2.36 -0.68
PK 10341.0 0.51 -5.4
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:
;