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
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
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
B&C Speaker 12FW88 Impedance
B&C Speaker 12FW88 SPL
B&C Speaker 12FW88 Dimensions

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