KEF CI250RRM-THX is a passive inwall that cost around 2500 USD each.

  • Quality of the measurement data is high.
  • Origin of the data is ASR.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity:
    • Company: 89 dB
    • Measured: 89.0 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 51.3Hz (resp. 30.8Hz).
  • Reference level is normalised to 0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.6dB 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 3.15 and would be 5.17 with a perfect subwoofer.
      • Details: NBD: ON 0.64, LW 0.436, SP 0.236, PIR 0.307; SM: SP0.429, PIR0.0; LFQ 2.697, LFX 42Hz
    • Tonality (Preference) Score is 5.73 with an EQ and would be 6.85 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.591, LW 0.448, SP 0.355, PIR 0.372; SM: SP0.872, PIR0.759; LFQ 2.694, LFX 26Hz
  • Link to Original review.
KEF CI250RRM-THX

Vendor specifications

  • Dispersion: 120° horizontal and 120° vertical.
  • Impedance 8 Ohm
  • SPL
    • peak: 111 dB
  • Size
    • Width 346mm
    • Height 175mm
    • Depth 346mm
  • Weight 6.0kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -5.1dB.
Type Freq Q Gain
PK 47.0 0.25 2.98
PK 160.0 0.25 2.95
PK 211.0 1.27 -2.16
PK 1202.0 1.76 -2.35
PK 1760.0 2.98 -2.13
PK 3405.0 2.88 -2.27
PK 6818.0 2.94 -1.57
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
AutomaticEQ LW (IIR)
Set preamp gain to: -5.5dB.
Type Freq Q Gain
PK 117.0 0.76 2.86
PK 369.0 1.43 1.88
PK 714.0 1.76 2.18
PK 1288.0 0.72 -2.17
PK 13186.0 0.36 2.63
PK 15685.0 2.44 3.0
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Quick config:
Quick config:
Quick config:
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