PSB Imagine B50 is a passive bookshelves that cost around 700 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:
    • Company: 87 dB
    • Measured: 84.3 dB (avg. 300Hz-3kHz for 2.83V measured at 1m).
  • -3dB (resp. -6db) point v.s. reference is at 69.6Hz (resp. 50.5Hz).
  • Reference level is normalised to -0.1dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 3.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.51 and would be 6.79 with a perfect subwoofer.
      • Details: NBD: ON 0.524, LW 0.466, SP 0.418, PIR 0.391; SM: SP0.857, PIR0.685; LFQ 0.439, LFX 49Hz
    • Tonality (Preference) Score is 6.14 with an EQ and would be 8.08 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.377, LW 0.316, SP 0.352, PIR 0.266; SM: SP0.932, PIR0.921; LFQ 0.459, LFX 41Hz
  • Link to original Review: eac review. Links to other reviews: yt review .
PSB Imagine B50

Vendor specifications

  • Impedance 4 Ohm
  • Size
    • Width 171mm
    • Height 300mm
    • Depth 251mm
  • Weight 5.13kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -4.8dB.
Type Freq Q Gain
PK 41.0 0.95 2.99
PK 69.0 0.31 2.89
PK 289.0 0.27 -3.5
PK 344.0 1.06 2.96
PK 504.0 2.99 2.99
PK 1010.0 2.99 3.0
PK 14633.0 0.85 -2.23
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.
AutomaticEQ LW (IIR)
Set preamp gain to: -2.8dB.
Type Freq Q Gain
PK 69.0 1.69 2.81
PK 155.0 2.82 -0.69
PK 487.0 3.0 3.0
PK 1010.0 3.0 3.0
PK 1586.0 0.42 -1.58
PK 4342.0 2.18 1.71
PK 12736.0 2.64 -1.18
Download
This EQ optimise for a flat listening window and is a good start for near field listening like on your desk.
Quick config:
Quick config:
Quick config:
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