12″ / 314 mm
Nominal diameter
30 Hz
Resonance
0.44
Q factor
85 dB
Sensitivity
± 16.4 mm
Linear excursion
2000 W
Program Power
.jpg)
.jpg)
.jpg)
Available on (affiliate link)
Amazon.com
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.2
Hz
Mechanical quality factor
QMS
3.30
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
16.4
mm
Air volume displaced at xmax
VD
804
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
5.9
Ω
Inductance (1kHz, in series, estimated)
LE
2.33
mH
Magnet
Force factor (in series)
Bl
23.0
N/A
Motor constant
Bl/√RE
9.47
N/√W
Diameter
189
mm
Diaphragm
Effective diameter
250
mm
Effective area
SD
490
cm²
Moving mass
MMS
240
g
Moving mass (without air load)
MMD
232
g
Suspensions
Stiffness
KMS
8.62
N/mm
Compliance
CMS
116
µm/N
Equivalent volume to the compliance
VAS
39.2
L
Mechanical resistance
RMS
13.8
N·s/m
Dimensions
Nominal diameter
12
″
314
mm
Overall diameter
314
mm
Baffle cutout diameter
283
mm
Mounting depth
206
mm
Volume occupied by the driver
3.1
L
.jpg)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Cerwin Vega ST124D
.png.webp)
PowerBass 3XL-1202D2 x 2 Ω
12″Subwoofer
fS
30 Hz
SD
531 cm²
25 - 450 Hz
QTS
0.45
xmax
24.0 mm
SPL1W
85 dB
Bl/√RE
11
Pmax
1700 W
.png.webp)
PowerBass 3XL-1220D2 x 2 Ω
12″Subwoofer
fS
30 Hz
SD
531 cm²
25 - 450 Hz
QTS
0.40
xmax
24.0 mm
SPL1W
85 dB
Bl/√RE
10
Pmax
2000 W
.jpg.webp)
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