18″ / 470 mm
Nominal diameter
34 Hz
Resonance
0.4
Q factor
94 dB
Sensitivity
± 24 mm
Linear excursion
3500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.7
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
33.6
Hz
Mechanical quality factor
QMS
8.21
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
24.0
mm
Air volume displaced at xmax
VD
2904
cm³
Power handling
P
1750
W
Program power
Pmax
3500
W
Voice Coil
Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.4
Ω
Inductance (1kHz, in series, estimated)
LE
0.68
mH
Magnet
Force factor (in series)
Bl
17.5
N/A
Motor constant
Bl/√RE
14.8
N/√W
Diaphragm
Effective diameter
393
mm
Effective area
SD
1210
cm²
Moving mass
MMS
338
g
Moving mass (without air load)
MMD
308.2
g
Suspensions
Stiffness
KMS
14.31
N/mm
Compliance
CMS
70
µm/N
Equivalent volume to the compliance
VAS
136
L
Mechanical resistance
RMS
8.69
N·s/m
Dimensions
Nominal diameter
18
″
470
mm
Overall diameter
470
mm
Baffle cutout diameter
425
mm
Mounting depth
248
mm
Volume occupied by the driver
7.36
L
Export this driver to a simulation software:
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SpeakerbenchSimilar subwoofers to Fi Car Audio BL-NEO 18 D1
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Fi Car Audio BL-NEO 18 D22 x 2 Ω
18″Subwoofer
fS
33 Hz
SD
1210 cm²
QTS
0.34
xmax
24.0 mm
SPL1W
93 dB
Bl/√RE
15
Pmax
3500 W
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18″Subwoofer
fS
32 Hz
SD
1156 cm²
30 - 1800 Hz
QTS
0.32
xmax
17.5 mm
SPL1W
93 dB
Bl/√RE
13
Pmax
4000 W
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18″Subwoofer
fS
34 Hz
SD
1130 cm²
30 - 1800 Hz
QTS
0.33
xmax
15.0 mm
SPL1W
94 dB
Bl/√RE
14
Pmax
3200 W