Hsu Research CCB-8 is a passive bookshelves that cost around 389 USD each.

  • 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: 94 dB
    • Measured: 89.1 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 55.7Hz).
  • Reference level is normalised to 0.4dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 7.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.0 and would be 3.41 with a perfect subwoofer.
      • Details: NBD: ON 0.997, LW 0.774, SP 0.655, PIR 0.673; SM: SP0.118, PIR0.099; LFQ 0.81, LFX 52Hz
    • Tonality (Preference) Score is 3.82 with an EQ and would be 6.19 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.627, LW 0.396, SP 0.396, PIR 0.336; SM: SP0.343, PIR0.463; LFQ 0.81, LFX 51Hz
  • Link to original Review: asr review. Links to other reviews: ahl review .
Hsu Research CCB-8

Vendor specifications

  • Impedance 8 Ohm
  • Size
    • Width 304mm
    • Height 266mm
    • Depth 381mm
  • Weight 10.0kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -5.0dB.
Type Freq Q Gain
PK 155.0 1.72 -2.59
PK 643.0 4.13 -3.51
PK 1083.0 5.89 -4.8
PK 1288.0 4.91 -8.69
PK 1480.0 1.17 4.81
PK 1760.0 2.08 3.16
PK 8694.0 0.27 -3.62
Download

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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