CSS Criton 3TD-X DIY is a passive bookshelves that cost around 2000 USD for a pair.

  • 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: 87.8 dB
    • Measured: 86.8 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 54.2Hz (resp. 43.9Hz).
  • Reference level is normalised to -0.0dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.78 and would be 5.79 with a perfect subwoofer.
      • Details: NBD: ON 0.594, LW 0.447, SP 0.403, PIR 0.41; SM: SP0.371, PIR0.35; LFQ 0.937, LFX 42Hz
    • Tonality (Preference) Score is 4.57 with an EQ and would be 6.3 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.535, LW 0.4, SP 0.372, PIR 0.357; SM: SP0.267, PIR0.44; LFQ 0.937, LFX 36Hz
  • Link to Original review.
CSS Criton 3TD-X DIY

Vendor specifications

  • Impedance 4 Ohm
  • Size
    • Width 216mm
    • Height 1054mm
    • Depth 342mm
  • Weight 31.7kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 38.0 0.75 2.98
PK 109.0 1.01 -1.77
PK 219.0 2.75 0.84
PK 504.0 2.7 0.45
PK 579.0 2.98 -1.57
PK 1083.0 2.98 0.82
PK 15150.0 0.5 -3.53
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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