12″ / 305 mm
Nominal diameter
39 Hz
Resonance
0.53
Q factor
93 dB
Sensitivity
± 23.5 mm
Linear excursion
2500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.2
dB
Frequency response
30 - 300
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
4.83
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.53
Large signal parameters
Maximum linear excursion
xmax
23.5
mm
Air volume displaced at xmax
VD
1108
cm³
Power handling
P
1250
W
Program power
Pmax
2500
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.6
Ω
Inductance (1kHz, in series, estimated)
LE
1.49
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
54.0
N/A
Motor constant
Bl/√RE
20.1
N/√W
Diameter
187
mm
Diaphragm
Effective diameter
245
mm
Effective area
SD
471
cm²
Moving mass
MMS
260.8
g
Moving mass (without air load)
MMD
253.3
g
Suspensions
Stiffness
KMS
16.67
N/mm
Compliance
CMS
60
µm/N
Equivalent volume to the compliance
VAS
19.1
L
Mechanical resistance
RMS
13.23
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
286
mm
Mounting depth
197
mm
Volume occupied by the driver
4.2
L
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SpeakerbenchSimilar subwoofers to Skar Audio EVL-12 D2
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Skar Audio SDR-10 D22 x 2 Ω
10″Subwoofer
fS
39 Hz
SD
299 cm²
39 - 300 Hz
QTS
0.58
xmax
13.5 mm
SPL1W
88 dB
Bl/√RE
13
Pmax
1200 W
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12″Subwoofer
fS
35 Hz
SD
497 cm²
26 - 500 Hz
QTS
0.42
xmax
12.5 mm
SPL1W
86 dB
Bl/√RE
13
Pmax
5400 W