What we know about the measurement:

Ascend Acoustics CBM-170 SE is a passive bookshelves speaker that cost around 400USD 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: 88.4dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 85.7Hz (resp. 66.7Hz).
  • Reference level is normalised to 0.2dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 1.9dB over the same frequency range.
  • Directivity
    • Horizontal directivity is (-70.0°, 60.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
    • Vertical directivity is (-30.0°, 30.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 3.76 and would be 6.55 with a perfect subwoofer.
      • Details: NBD: ON 0.384, LW 0.316, SP 0.415, PIR 0.364; SM: SP0.609, PIR0.394; LFQ 0.443, LFX 64Hz
    • Tonality (Preference) Score is 6.13 with an EQ and would be 8.54 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.275, LW 0.233, SP 0.282, PIR 0.217; SM: SP0.924, PIR0.948; LFQ 0.443, LFX 52Hz
  • Link to Original review.
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
;