12″ / 320 mm
Nominal diameter
54 Hz
Resonance
0.18
Q factor
97 dB
Sensitivity
± 7 mm
Linear excursion
1000 W
Program Power
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Available on (affiliate links)
Parts Express
$$$
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.3
dB
Frequency response
55 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
54.0
Hz
Mechanical quality factor
QMS
4.20
Electrical quality factor
QES
0.17
Total quality factor
QTS
0.18
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
365
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
76
mm
Winding height
HVC
19
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.35
T
Force factor
Bl
20.4
N/A
Motor constant
Bl/√RE
11.6
N/√W
Air gap height
HAG
11
mm
Material
Ferrite
Diaphragm
Effective diameter
258
mm
Effective area
SD
522
cm²
Moving mass
MMS
69.5
g
Moving mass (without air load)
MMD
60.9
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
7.75
N/mm
Compliance
CMS
129
µm/N
Equivalent volume to the compliance
VAS
48.5
L
Mechanical resistance
RMS
5.61
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
315
mm
Baffle cutout diameter
283
mm
Overall depth
147
mm
Flange thickness
12
mm
Mounting depth
135
mm
Volume occupied by the driver
3.0
L
Net weight
8.55
kg
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Export this driver to a simulation software:
WinISD
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to B&C Speaker 12FW76
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12″Mid Bass
fS
54 Hz
SD
522 cm²
55 - 3000 Hz
QTS
0.18
xmax
7.0 mm
SPL1W
97 dB
Bl/√RE
12
Pmax
1000 W
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