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
that cost around 2000 USD
for a pair.
Quality of the measurement data is
low.
Origin of the data is Misc.
Format of the data is
.
-3dB (resp. -6db) point v.s. reference is at 48.3Hz (resp. 38.9Hz).
Reference level is normalised to 0.4dB
computed over the frequency range [300.0Hz,
5000.0Hz].
Frequency deviation is 2.8dB over the same frequency range.
Tonality (Preference) Score
Tonality (Preference) Score is 4.56
and would be 6.4 with a
perfect subwoofer.
Details:
NBD: ON 0.468,
LW 0.408, SP
0.596, PIR
0.527; SM:
SP0.83,
PIR0.632; LFQ
1.514, LFX 38Hz
Tonality (Preference) Score is 5.81
with an EQ and would be 7.52 with a
perfect subwoofer and the same EQ.
Details:
NBD: ON 0.404,
LW 0.381, SP
0.503, PIR
0.418; SM:
SP0.945,
PIR0.904; LFQ 1.514, LFX 36Hz