What we know about the measurement:
JBL 4312MII is a passive bookshelves that cost around 1000 USD 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: 90.9dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
- -3dB (resp. -6db) point v.s. reference is at 117.2Hz (resp. 90.8Hz).
- Reference level is normalised to -0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
- Frequency deviation is 9.3dB over the same frequency range.
- Directivity
- Horizontal directivity is (-20.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Vertical directivity is (-40.0°, 40.0°) between 1kHz and 10kHz. Angle computed for +/-6dB.
- Tonality (Preference) Score
- Tonality (Preference) Score is 0.68
and would be 3.99 with a
perfect subwoofer.
- Details: NBD: ON 1.085, LW 0.943, SP 0.945, PIR 0.864; SM: SP0.804, PIR0.688; LFQ 0.777, LFX 84Hz
- Tonality (Preference) Score is 4.07
with an EQ and would be 6.68 with a
perfect subwoofer and the same EQ.
- Details: NBD: ON 0.619, LW 0.505, SP 0.57, PIR 0.478; SM: SP0.898, PIR0.853; LFQ 0.664, LFX 58Hz
- Tonality (Preference) Score is 0.68
and would be 3.99 with a
perfect subwoofer.
- Link to Original review.
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Vendor specifications:
- Sensitivity 92 dB
- Impedance 6 Ohm
- Size
- Width 180mm
- Height 300mm
- Depth 180 mm)
- Weight 4.0 kg
