What we know about the measurement:

Philharmonic Ceramic Mini is a passive bookshelves that cost around 850 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is ErinsAudioCorner.
  • Format of the data is generated by a Klippel NFS .
  • Sensitivity: 82.5dB (avg. 100Hz-1kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 51.3Hz (resp. 43.9Hz).
  • Reference level is normalised to -0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.3dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-70.0°, 70.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-20.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 5.92 and would be 7.93 with a perfect subwoofer.
      • Details: NBD: ON 0.319, LW 0.272, SP 0.381, PIR 0.306; SM: SP0.908, PIR0.845; LFQ 0.454, LFX 42Hz
    • Tonality (Preference) Score is 6.89 with an EQ and would be 8.54 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.232, LW 0.196, SP 0.319, PIR 0.224; SM: SP0.931, PIR0.91; LFQ 0.454, LFX 35Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
Philharmonic Ceramic Mini
AutomaticEQ (IIR)
Set preamp gain to: -3.9dB.
Type Freq Q Gain
3 34.0 4.1 3.97
3 52.0 4.01 2.56
3 92.0 1.09 -2.07
3 235.0 5.92 0.82
3 454.0 2.76 0.82
3 942.0 3.12 -1.11
3 6585.0 2.32 -1.81
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These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Philharmonic Ceramic Mini filters_auto_eq

AutomaticEQ

Philharmonic Ceramic Mini filters_eq_full

Target v.s. 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
Frequency Frequency with EQ
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