Fi Car Audio IB312 v2 S4

Subwoofer

12″ / 318 mm
Nominal diameter
27 Hz
Resonance
0.65
Q factor
83 dB
Sensitivity
± 34 mm
Linear excursion
1200 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
83.4
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
27.3
Hz
Mechanical quality factor
QMS
7.65
Electrical quality factor
QES
0.73
Total quality factor
QTS
0.65

Large signal parameters

Maximum linear excursion
xmax
34.0
mm
Air volume displaced at xmax
VD
1632
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz, estimated)
LE
1.45
mH

Magnet

Force factor
Bl
15.0
N/A
Motor constant
Bl/√RE
7.91
N/√W

Diaphragm

Effective diameter
247
mm
Effective area
SD
480
cm²
Moving mass
MMS
249
g
Moving mass (without air load)
MMD
241.1
g

Suspensions

Stiffness
KMS
7.3
N/mm
Compliance
CMS
137
µm/N
Equivalent volume to the compliance
VAS
44.2
L
Mechanical resistance
RMS
5.58
N·s/m

Dimensions

Nominal diameter
12
318
mm
Overall diameter
318
mm
Baffle cutout diameter
283
mm
Mounting depth
165
mm
Volume occupied by the driver
3.96
L

Export this driver to a simulation software:

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