What we know about the measurement:
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: 83.7dB (avg. 100Hz-1kHz for 2.83V estimated 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.
- Directivity
- Horizontal directivity is (-60.0°, 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 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
- Tonality (Preference) Score is 4.51
and would be 6.79 with a
perfect subwoofer.
- Link to original Review: eac review. Links to other reviews: yt review .
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Vendor specifications:
- Sensitivity 87 dB
- Impedance 4 Ohm
- Size
- Width 171mm
- Height 300mm
- Depth 251 mm)
- Weight 5.13 kg
