18″ / 460 mm
Nominal diameter
36 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 11 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.8
dB
Frequency response
40 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
10.90
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Maximum excursion before damage
xlim
48.0
mm
Air volume displaced at xmax
VD
1381
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.7
mH
VC Diameter
102
mm
Winding height
HVC
27
mm
Magnet
Force factor
Bl
26.4
N/A
Motor constant
Bl/√RE
11.5
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
200
g
Moving mass (without air load)
MMD
169.5
g
Suspensions
Stiffness
KMS
10.2
N/mm
Compliance
CMS
98
µm/N
Equivalent volume to the compliance
VAS
219
L
Mechanical resistance
RMS
4.1
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
462
mm
Baffle cutout diameter
415
mm
Overall depth
225
mm
Volume occupied by the driver (estimated)
5.9
L
Net weight
9.0
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar subwoofers to Beyma 18LEX1200Nd
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18″Low frequency
fS
39 Hz
SD
1134 cm²
30 - 2500 Hz
QTS
0.35
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
9.99
Pmax
2000 W
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15″Subwoofer
fS
38 Hz
SD
850 cm²
38 - 3500 Hz
QTS
0.35
xmax
6.0 mm
SPL1W
96 dB
Bl/√RE
7.53
Pmax
1200 W
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RCF LF18G9088 Ω
18″Subwoofer
fS
33 Hz
SD
1200 cm²
30 - 1000 Hz
QTS
0.29
xmax
9.0 mm
SPL1W
96 dB
Bl/√RE
11
Pmax
1800 W