12″ / 318 mm
Nominal diameter
37 Hz
Resonance
0.3
Q factor
88 dB
Sensitivity
± 20 mm
Linear excursion
3500 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
88.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
36.6
Hz
Mechanical quality factor
QMS
7.46
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
20.0
mm
Air volume displaced at xmax
VD
960
cm³
Power handling
P
1750
W
Program power
Pmax
3500
W
Voice Coil
Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.4
Ω
Inductance (1kHz, in series, estimated)
LE
0.53
mH
Magnet
Force factor (in series)
Bl
15.5
N/A
Motor constant
Bl/√RE
13.1
N/√W
Diaphragm
Effective diameter
247
mm
Effective area
SD
480
cm²
Moving mass
MMS
225
g
Moving mass (without air load)
MMD
217.1
g
Suspensions
Stiffness
KMS
11.95
N/mm
Compliance
CMS
84
µm/N
Equivalent volume to the compliance
VAS
27
L
Mechanical resistance
RMS
6.94
N·s/m
Dimensions
Nominal diameter
12
″
318
mm
Overall diameter
318
mm
Baffle cutout diameter
283
mm
Mounting depth
171
mm
Volume occupied by the driver
5.1
L
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SpeakerbenchSimilar subwoofers to Fi Car Audio BL12v3.1 D1
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Fi Car Audio BL12v3.1 D22 x 2 Ω
12″Subwoofer
fS
37 Hz
SD
480 cm²
QTS
0.30
xmax
20.0 mm
SPL1W
88 dB
Bl/√RE
13
Pmax
3500 W
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Skar Audio DDX-12 D22 x 2 Ω
12″Subwoofer
fS
39 Hz
SD
510 cm²
35 - 500 Hz
QTS
0.34
xmax
15.0 mm
SPL1W
88 dB
Bl/√RE
13
Pmax
1500 W
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Fi Car Audio BL-NEO 12 D22 x 2 Ω
12″Subwoofer
fS
36 Hz
SD
480 cm²
QTS
0.25
xmax
24.0 mm
SPL1W
88 dB
Bl/√RE
15
Pmax
3500 W