Beyma 18LX60V2
Subwoofer
18″ / 460 mm
Nominal diameter
35 Hz
Resonance
0.48
Q factor
94 dB
Sensitivity
± 8 mm
Linear excursion
1400 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.3
dB
Frequency response
25 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
15.72
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Maximum excursion before damage
xlim
29.0
mm
Air volume displaced at xmax
VD
1056
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
2.1
mH
VC Diameter
100
mm
Winding height
HVC
20
mm
Magnet
Force factor
Bl
21.8
N/A
Motor constant
Bl/√RE
9.65
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
410
mm
Effective area
SD
1320
cm²
Moving mass
MMS
215
g
Moving mass (without air load)
MMD
183.1
g
Suspensions
Stiffness
KMS
10.58
N/mm
Compliance
CMS
95
µm/N
Equivalent volume to the compliance
VAS
237
L
Mechanical resistance
RMS
3.04
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall depth
198
mm
Volume occupied by the driver (estimated)
5.5
L
Net weight
11.7
kg
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fS
35 Hz
SD
1320 cm²
25 - 1000 Hz
QTS
0.49
xmax
8.0 mm
SPL1W
94 dB
Bl/√RE
9.65
Pmax
1400 W
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fS
36 Hz
SD
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30 - 2000 Hz
QTS
0.53
xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
36 Hz
SD
1163 cm²
36 - 1800 Hz
QTS
0.48
xmax
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SPL1W
94 dB
Bl/√RE
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