12″ / 325 mm
Nominal diameter
36 Hz
Resonance
0.39
Q factor
86 dB
Sensitivity
± 34 mm
Linear excursion
5000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.3
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
35.5
Hz
Mechanical quality factor
QMS
5.30
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
34.0
mm
Air volume displaced at xmax
VD
1802
cm³
Power handling
P
2500
W
Program power
Pmax
5000
W
Voice Coil
Nominal impedance
Z
2 x 1
Ω
DC resistance (in series)
RE
1.5
Ω
Inductance (1kHz, in series, estimated)
LE
0.69
mH
VC Diameter
81
mm
Winding material
flat aluminum
Magnet
Force factor (in series)
Bl
15.7
N/A
Motor constant
Bl/√RE
12.8
N/√W
Diameter
220
mm
Height
54
mm
Diaphragm
Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
308
g
Moving mass (without air load)
MMD
299
g
Material
Paper with glass fiber
Suspensions
Stiffness
KMS
14.29
N/mm
Compliance
CMS
70
µm/N
Equivalent volume to the compliance
VAS
27.8
L
Mechanical resistance
RMS
12.96
N·s/m
Dimensions
Nominal diameter
12
″
325
mm
Overall diameter
325
mm
Baffle cutout diameter
308
mm
Mounting depth
197
mm
Volume occupied by the driver
4.0
L
Net weight
21.4
kg
Frame material
Aluminium
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SpeakerbenchSimilar subwoofers to Pride M25.12 D1
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Fi Car Audio Q12 NEO D12 x 1 Ω
12″Subwoofer
fS
33 Hz
SD
480 cm²
QTS
0.38
xmax
34.0 mm
SPL1W
87 dB
Bl/√RE
11
Pmax
3500 W
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Fi Car Audio Q12 NEO D22 x 2 Ω
12″Subwoofer
fS
33 Hz
SD
480 cm²
QTS
0.38
xmax
34.0 mm
SPL1W
86 dB
Bl/√RE
11
Pmax
3500 W