B&C Speaker 12FW88
Woofer
12″ / 320 mm
Nominal diameter
53 Hz
Resonance
0.33
Q factor
95 dB
Sensitivity
± 8 mm
Linear excursion
1400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
50 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
7.70
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
425
cm³
Power handling
P
700
W
Program power
Pmax
1400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
88
mm
Winding height
HVC
21.5
mm
Winding material
Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
1.04
T
Force factor
Bl
19.5
N/A
Motor constant
Bl/√RE
8.63
N/√W
Air gap height
HAG
11
mm
Material
Ferrite Ring
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
76.4
g
Moving mass (without air load)
MMD
67.6
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
8.7
N/mm
Compliance
CMS
115
µm/N
Equivalent volume to the compliance
VAS
45.7
L
Mechanical resistance
RMS
3.3
N·s/m
Spider material
Silicone
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
315
mm
Baffle cutout diameter
285
mm
Overall depth
145
mm
Flange thickness
12
mm
Mounting depth
133
mm
Volume occupied by the driver
2.5
L
Net weight
8.25
kg
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SpeakerbenchSimilar woofers to B&C Speaker 12FW88
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12″Subwoofer
fS
54 Hz
SD
531 cm²
50 - 3500 Hz
QTS
0.34
xmax
8.3 mm
SPL1W
95 dB
Bl/√RE
8.59
Pmax
1600 W
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12″Woofer
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.30
xmax
5.8 mm
SPL1W
95 dB
Bl/√RE
8.43
Pmax
900 W
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12″Subwoofer
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.33
xmax
8.3 mm
SPL1W
95 dB
Bl/√RE
8.63
Pmax
1800 W