12″ / 316 mm
Nominal diameter
34 Hz
Resonance
0.5
Q factor
84 dB
Sensitivity
± 19 mm
Linear excursion
2400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
33.5
Hz
Mechanical quality factor
QMS
5.10
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
19.0
mm
Air volume displaced at xmax
VD
884
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.3
Ω
Inductance (1kHz, in series, estimated)
LE
1.42
mH
VC Diameter
71
mm
Winding material
round copper
Magnet
Force factor (in series)
Bl
18.6
N/A
Motor constant
Bl/√RE
10.2
N/√W
Diameter
170
mm
Height
52
mm
Diaphragm
Effective diameter
243
mm
Effective area
SD
465
cm²
Moving mass
MMS
278
g
Moving mass (without air load)
MMD
270.4
g
Material
Paper with glass fiber
Suspensions
Stiffness
KMS
11.11
N/mm
Compliance
CMS
90
µm/N
Equivalent volume to the compliance
VAS
27.5
L
Mechanical resistance
RMS
11.47
N·s/m
Dimensions
Nominal diameter
12
″
316
mm
Overall diameter
316
mm
Baffle cutout diameter
280
mm
Mounting depth
161
mm
Volume occupied by the driver
2.5
L
Net weight
10.3
kg
Frame material
Steel
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SpeakerbenchSimilar subwoofers to Pride M12.12 D2
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Cerwin Vega ST122D2 x 2 Ω
12″Subwoofer
fS
29 Hz
SD
490 cm²
QTS
0.44
xmax
16.4 mm
SPL1W
85 dB
Bl/√RE
9.63
Pmax
2000 W