Phase Tech PC 3.1 is a passive center that cost around 600 USD

  • 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: 92 dB
    • Measured: 86.9 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 45.4Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.9dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 2.94 and would be 4.89 with a perfect subwoofer.
      • Details: NBD: ON 0.661, LW 0.636, SP 0.626, PIR 0.606; SM: SP0.562, PIR0.288; LFQ 0.797, LFX 41Hz
    • Tonality (Preference) Score is 5.18 with an EQ and would be 6.68 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.591, LW 0.543, SP 0.503, PIR 0.474; SM: SP0.876, PIR0.814; LFQ 0.771, LFX 32Hz
  • Link to original Review: asr review. .
Phase Tech PC 3.1

Vendor specifications

  • Impedance 6 Ohm
  • Size
    • Width 209mm
    • Height 559mm
    • Depth 300mm
  • Weight 20kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -3.0dB.
Type Freq Q Gain
PK 32.0 1.16 2.82
PK 62.0 1.44 2.5
PK 121.0 0.97 -2.17
PK 160.0 0.63 -1.58
PK 470.0 2.66 -1.85
PK 1202.0 1.27 3.0
PK 10341.0 0.29 -5.11
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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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