18″ / 460 mm
Nominal diameter
33 Hz
Resonance
0.43
Q factor
94 dB
Sensitivity
± 14.5 mm
Linear excursion
3200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.8
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
11.40
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
14.5
mm
Maximum excursion before damage
xlim
65.0
mm
Air volume displaced at xmax
VD
1820
cm³
Power handling
P
1600
W
Program power
Pmax
3200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
1.9
mH
VC Diameter
102
mm
Winding height
HVC
35
mm
Magnet
Force factor
Bl
24.5
N/A
Motor constant
Bl/√RE
10.2
N/√W
Air gap height
HAG
14
mm
Diaphragm
Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
229
g
Moving mass (without air load)
MMD
198.5
g
Suspensions
Stiffness
KMS
9.62
N/mm
Compliance
CMS
104
µm/N
Equivalent volume to the compliance
VAS
231
L
Mechanical resistance
RMS
4.1
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
462
mm
Baffle cutout diameter
426
mm
Overall depth
234
mm
Volume occupied by the driver (estimated)
6.3
L
Net weight
9.5
kg
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Export this driver to a simulation software:
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MfbLabs
SpeakerbenchSimilar subwoofers to Beyma 18LEX1600Nd
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18″Subwoofer
fS
32 Hz
SD
1200 cm²
30 - 1000 Hz
QTS
0.40
xmax
10.6 mm
SPL1W
94 dB
Bl/√RE
9.59
Pmax
2400 W
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18″Subwoofer
fS
30 Hz
SD
1210 cm²
30 - 1000 Hz
QTS
0.39
xmax
8.0 mm
SPL1W
94 dB
Bl/√RE
9.77
Pmax
1400 W
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18″Subwoofer
fS
33 Hz
SD
1210 cm²
35 - 500 Hz
QTS
0.39
xmax
12.0 mm
SPL1W
95 dB
Bl/√RE
9.82
Pmax
2400 W