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
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
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
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
Similar subwoofers to B&C Speaker 12NBX100
12″Subwoofer
fS
41 Hz
SD
531 cm²
40 - 1500 Hz
QTS
0.22
xmax
10.0 mm
SPL1W
93 dB
Bl/√RE
11
Pmax
2000 W
12″Subwoofer
fS
45 Hz
SD
518 cm²
45 - 2500 Hz
QTS
0.25
xmax
12.5 mm
SPL1W
92 dB
Bl/√RE
12
Pmax
2000 W
12″Subwoofer
fS
44 Hz
SD
531 cm²
45 - 1500 Hz
QTS
0.23
xmax
9.0 mm
SPL1W
93 dB
Bl/√RE
12
Pmax
2000 W