Beyma 15WRS400
Subwoofer
15″ / 380 mm
Nominal diameter
36 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 6.3 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
9.10
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
6.3
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
554
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
76
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
18.2
N/A
Motor constant
Bl/√RE
7.69
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
91
g
Moving mass (without air load)
MMD
73.2
g
Suspensions
Stiffness
KMS
4.65
N/mm
Compliance
CMS
215
µm/N
Equivalent volume to the compliance
VAS
236
L
Mechanical resistance
RMS
2.3
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
385
mm
Baffle cutout diameter
353
mm
Overall depth
165
mm
Volume occupied by the driver (estimated)
3.4
L
Net weight
6.2
kg
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fS
35 Hz
SD
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35 - 4000 Hz
QTS
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xmax
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SPL1W
96 dB
Bl/√RE
7.49
Pmax
800 W
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35 Hz
SD
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fS
35 Hz
SD
857 cm²
35 - 4000 Hz
QTS
0.35
xmax
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SPL1W
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