We have multiple measurements for this speaker. Click
here to
see the default one (which is higher quality if we have one
measurement better than the others).
What we know about the measurement:
JBL 4309
is a passive bookshelves speaker
that cost around 2000USD
for a pair
.
Quality of the measurement data is
low
.
Origin of the data is Misc
.
Format of the data is
.
Sensitivity: 85.4dB (avg. 100Hz-1kHz for 2.83V measured at 1m)
-3dB (resp. -6db) point v.s. reference is at 60.1Hz (resp. 43.9Hz).
Reference level is normalised to 0.2dB
computed over the frequency range [300.0Hz,
5000.0Hz].
Frequency deviation is 4.0dB over the same frequency range.
Directivity
Horizontal directivity
is (-50.0°, 50.0°)
between 1kHz and 10kHz. Angle computed for +/-6dB.
Vertical directivity
is (-20.0°, 40.0°)
between 1kHz and 10kHz. Angle computed for +/-6dB.
Tonality (Preference) Score
Tonality (Preference) Score is 3.6
and would be 5.61 with a
perfect subwoofer.
Details:
NBD: ON 0.661,
LW 0.583, SP
0.659, PIR
0.601; SM:
SP0.773,
PIR0.594; LFQ
0.945, LFX 42Hz
Tonality (Preference) Score is 5.27
with an EQ and would be 7.08 with a
perfect subwoofer and the same EQ.
Details:
NBD: ON 0.597,
LW 0.491, SP
0.482, PIR
0.401; SM:
SP0.931,
PIR0.898; LFQ 0.945, LFX 38Hz