18″ / 460 mm
Nominal diameter
34 Hz
Resonance
0.37
Q factor
95 dB
Sensitivity
± 11 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.0
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
7.30
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Maximum excursion before damage
xlim
51.0
mm
Air volume displaced at xmax
VD
1381
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.9
mH
VC Diameter
89
mm
Winding height
HVC
27
mm
Magnet
Force factor
Bl
23.8
N/A
Motor constant
Bl/√RE
10.2
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
196
g
Moving mass (without air load)
MMD
165.5
g
Suspensions
Stiffness
KMS
9.01
N/mm
Compliance
CMS
111
µm/N
Equivalent volume to the compliance
VAS
250
L
Mechanical resistance
RMS
5.7
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
462
mm
Baffle cutout diameter
426
mm
Overall depth
224
mm
Volume occupied by the driver (estimated)
7.0
L
Net weight
11.7
kg
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Export this driver to a simulation software:
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MfbLabs
SpeakerbenchSimilar subwoofers to Beyma 18LEX1000Fe
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18″Subwoofer
fS
35 Hz
SD
1207 cm²
35 - 2000 Hz
QTS
0.40
xmax
9.8 mm
SPL1W
95 dB
Bl/√RE
9.56
Pmax
2000 W
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18″Subwoofer
fS
34 Hz
SD
1255 cm²
35 - 1000 Hz
QTS
0.39
xmax
11.0 mm
SPL1W
95 dB
Bl/√RE
9.74
Pmax
2000 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