Beyma 12P1000Nd
Subwoofer
12″ / 300 mm
Nominal diameter
47 Hz
Resonance
0.26
Q factor
94 dB
Sensitivity
± 8 mm
Linear excursion
1800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
50 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
47.0
Hz
Mechanical quality factor
QMS
7.90
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Maximum excursion before damage
xlim
52.0
mm
Air volume displaced at xmax
VD
440
cm³
Power handling
P
900
W
Program power
Pmax
1800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
2.0
mH
VC Diameter
102
mm
Winding height
HVC
21
mm
Magnet
Force factor
Bl
23.5
N/A
Motor constant
Bl/√RE
10.4
N/√W
Air gap height
HAG
12
mm
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
100
g
Moving mass (without air load)
MMD
91
g
Suspensions
Stiffness
KMS
8.7
N/mm
Compliance
CMS
115
µm/N
Equivalent volume to the compliance
VAS
49
L
Mechanical resistance
RMS
3.7
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
312
mm
Baffle cutout diameter
283
mm
Overall depth
131
mm
Volume occupied by the driver (estimated)
2.3
L
Net weight
5.4
kg
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fS
44 Hz
SD
531 cm²
45 - 1000 Hz
QTS
0.27
xmax
8.0 mm
SPL1W
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Bl/√RE
9.77
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fS
49 Hz
SD
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fS
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SD
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50 - 3000 Hz
QTS
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xmax
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SPL1W
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