Beyma 15LW30
Subwoofer
15″ / 380 mm
Nominal diameter
34 Hz
Resonance
0.33
Q factor
96 dB
Sensitivity
± 7 mm
Linear excursion
1000 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.5
dB
Frequency response
35 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
4.50
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
15.0
mm
Air volume displaced at xmax
VD
616
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
77
mm
Winding height
HVC
17.5
mm
Magnet
Force factor
Bl
18.9
N/A
Motor constant
Bl/√RE
7.59
N/√W
Air gap height
HAG
8
mm
Material
Neodymium
Diaphragm
Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
96
g
Moving mass (without air load)
MMD
78.4
g
Suspensions
Stiffness
KMS
4.39
N/mm
Compliance
CMS
228
µm/N
Equivalent volume to the compliance
VAS
251
L
Mechanical resistance
RMS
4.5
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Volume occupied by the driver (estimated)
1.9
L
Net weight
4.5
kg
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SD
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SD
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SD
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xmax
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