What we know about the measurement:

Definitive Technology D9 is a passive bookshelves speaker .

  • Quality of the measurement data is low .
  • Origin of the data is Misc .
  • Format of the data is a scanned image .
  • Sensitivity: 77.0dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 207.0Hz (resp. 207.0Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.7dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.9 and would be 5.9 with a perfect subwoofer.
      • Details: NBD: ON 0.55, LW 0.42, SP 0.48, PIR 0.45; SM: SP0.69, PIR0.4; LFQ 1.76, LFX 207Hz
    • Tonality (Preference) Score is -1.2 with an EQ and would be 4.4 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.82, LW 0.75, SP 0.71, PIR 0.71; SM: SP0.52, PIR0.38; LFQ 10, LFX 298Hz
  • Link to original Review: asr review. .
CEA2034
On Axis
Estimated In-Room Response
CEA2034
On Axis
Estimated In-Room Response
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ