12″ / 320 mm
Nominal diameter
29 Hz
Resonance
0.65
Q factor
83 dB
Sensitivity
± 18.2 mm
Linear excursion
1500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.4
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
29.2
Hz
Mechanical quality factor
QMS
9.50
Electrical quality factor
QES
0.69
Total quality factor
QTS
0.65
Large signal parameters
Maximum linear excursion
xmax
18.2
mm
Air volume displaced at xmax
VD
892
cm³
Power handling
P
750
W
Program power
Pmax
1500
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
2.59
mH
Magnet
Force factor (in series)
Bl
20.4
N/A
Motor constant
Bl/√RE
8.06
N/√W
Diameter
165
mm
Diaphragm
Effective diameter
250
mm
Effective area
SD
490
cm²
Moving mass
MMS
250.3
g
Moving mass (without air load)
MMD
242.2
g
Suspensions
Stiffness
KMS
3.85
N/mm
Compliance
CMS
260
µm/N
Equivalent volume to the compliance
VAS
40.9
L
Mechanical resistance
RMS
4.83
N·s/m
Dimensions
Nominal diameter
12
″
320
mm
Overall diameter
320
mm
Baffle cutout diameter
272
mm
Mounting depth
152
mm
Volume occupied by the driver
2.29
L
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SpeakerbenchSimilar subwoofers to Cerwin Vega VPRO124D
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12″Subwoofer
fS
24 Hz
SD
535 cm²
25 - 400 Hz
QTS
0.51
xmax
16.8 mm
SPL1W
84 dB
Bl/√RE
8.92
Pmax
1000 W
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Cerwin Vega V124DV22 x 4 Ω
12″Subwoofer
fS
27 Hz
SD
490 cm²
QTS
0.65
xmax
17.3 mm
SPL1W
84 dB
Bl/√RE
6.67
Pmax
1300 W