Beyma 12LEX1000Fe
Subwoofer
12″ / 300 mm
Nominal diameter
49 Hz
Resonance
0.29
Q factor
93 dB
Sensitivity
± 11 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.8
dB
Frequency response
50 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
3.60
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Maximum excursion before damage
xlim
51.0
mm
Air volume displaced at xmax
VD
605
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
1.7
mH
VC Diameter
89
mm
Winding height
HVC
27
mm
Magnet
Force factor
Bl
24.6
N/A
Motor constant
Bl/√RE
10.6
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
118
g
Moving mass (without air load)
MMD
108.9
g
Suspensions
Stiffness
KMS
11.24
N/mm
Compliance
CMS
89
µm/N
Equivalent volume to the compliance
VAS
38.4
L
Mechanical resistance
RMS
10.1
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
166
mm
Volume occupied by the driver (estimated)
4.2
L
Net weight
10.4
kg
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fS
42 Hz
SD
531 cm²
45 - 1500 Hz
QTS
0.26
xmax
9.0 mm
SPL1W
93 dB
Bl/√RE
11
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fS
45 Hz
SD
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QTS
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fS
45 Hz
SD
518 cm²
45 - 1600 Hz
QTS
0.30
xmax
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SPL1W
92 dB
Bl/√RE
11
Pmax
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