Beyma 12LEX1300Nd
Subwoofer
12″ / 300 mm
Nominal diameter
45 Hz
Resonance
0.24
Q factor
93 dB
Sensitivity
± 11 mm
Linear excursion
2600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.3
dB
Frequency response
45 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
4.20
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.24
Large signal parameters
Maximum linear excursion
xmax
11.0
mm
Maximum excursion before damage
xlim
65.0
mm
Air volume displaced at xmax
VD
605
cm³
Power handling
P
1300
W
Program power
Pmax
2600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.3
mH
VC Diameter
102
mm
Winding height
HVC
28
mm
Magnet
Force factor
Bl
26.4
N/A
Motor constant
Bl/√RE
11.8
N/√W
Air gap height
HAG
14
mm
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
125
g
Moving mass (without air load)
MMD
115.9
g
Suspensions
Stiffness
KMS
10.0
N/mm
Compliance
CMS
100
µm/N
Equivalent volume to the compliance
VAS
43
L
Mechanical resistance
RMS
8.4
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
176
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
8.3
kg
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fS
42 Hz
SD
531 cm²
45 - 1500 Hz
QTS
0.26
xmax
9.0 mm
SPL1W
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Bl/√RE
11
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fS
43 Hz
SD
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40 - 2000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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fS
42 Hz
SD
540 cm²
40 - 1000 Hz
QTS
0.22
xmax
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SPL1W
94 dB
Bl/√RE
11
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