B&C Speaker 12NBX100

Subwoofer

12″ / 320 mm
Nominal diameter
40 Hz
Resonance
0.22
Q factor
93 dB
Sensitivity
± 10 mm
Linear excursion
2000 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
92.8
dB
Frequency response
40 - 1500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
7.05
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
531
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
1.35
mH
VC Diameter
100
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.1
T
Force factor
Bl
23.04
N/A
Motor constant
Bl/√RE
12.1
N/√W
Air gap height
HAG
11
mm
Material
Neodymium Inside Slug

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
133
g
Moving mass (without air load)
MMD
124.1
g
Material
Waterproof Both Sides

Suspensions

Stiffness
KMS
8.55
N/mm
Compliance
CMS
117
µm/N
Equivalent volume to the compliance
VAS
46.5
L
Mechanical resistance
RMS
4.74
N·s/m
Spider material
Silicone

Dimensions

Nominal diameter
12
320
mm
Overall diameter
320
mm
Baffle cutout diameter
280
mm
Overall depth
143
mm
Flange thickness
12
mm
Mounting depth
131
mm
Volume occupied by the driver
4.0
L
Net weight
8.25
kg
B&C Speaker 12NBX100 Impedance
B&C Speaker 12NBX100 SPL
B&C Speaker 12NBX100 Dimensions

Export this driver to a simulation software:

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