What we know about the measurement:

KLH 911B is a passive bookshelves speaker .

  • Quality of the measurement data is unknown .
  • Origin of the data is Vendors-KLH .
  • Format of the data is .
  • Sensitivity: 86.8dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 128.8Hz (resp. 106.8Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 8.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.3 and would be 4.1 with a perfect subwoofer.
      • Details: NBD: ON 0.76, LW 0.68, SP 0.54, PIR 0.59; SM: SP0.31, PIR0.02; LFQ 0.68, LFX 109Hz
    • Tonality (Preference) Score is 3.5 with an EQ and would be 7.0 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.54, LW 0.46, SP 0.44, PIR 0.42; SM: SP0.9, PIR0.82; LFQ 0.66, LFX 93Hz
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ