What we know about the measurement:

JBL Synthesis 4429 is a passive bookshelves speaker that cost around 6000USD for a pair .

  • Quality of the measurement data is low .
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • Sensitivity: 90.4dB (avg. 100Hz-1kHz for 2.83V estimated at 1m)
  • -3dB (resp. -6db) point v.s. reference is at 45.9Hz (resp. 37.8Hz).
  • Reference level is normalised to 0.6dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 2.0dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 4.77 and would be 6.56 with a perfect subwoofer.
      • Details: NBD: ON 0.687, LW 0.491, SP 0.491, PIR 0.453; SM: SP0.884, PIR0.841; LFQ 1.804, LFX 37Hz
    • Tonality (Preference) Score is 5.88 with an EQ and would be 7.54 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.555, LW 0.333, SP 0.367, PIR 0.28; SM: SP0.878, PIR0.898; LFQ 1.804, LFX 35Hz
  • Link to Original review.
Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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