12″ / 305 mm
Nominal diameter
30 Hz
Resonance
0.48
Q factor
82 dB
Sensitivity
± 35 mm
Linear excursion
8000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
82.0
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
30.3
Hz
Mechanical quality factor
QMS
2.27
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
35.0
mm
Air volume displaced at xmax
VD
1654
cm³
Power handling
P
4000
W
Program power
Pmax
8000
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.2
Ω
Inductance (1kHz, in series, estimated)
LE
1.69
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
19.61
N/A
Motor constant
Bl/√RE
11.0
N/√W
Material
Ferrite
Diaphragm
Effective diameter
245
mm
Effective area
SD
473
cm²
Moving mass
MMS
386.2
g
Moving mass (without air load)
MMD
378.3
g
Suspensions
Stiffness
KMS
14.09
N/mm
Compliance
CMS
71
µm/N
Equivalent volume to the compliance
VAS
22.5
L
Mechanical resistance
RMS
32.45
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
328
mm
Baffle cutout diameter
283
mm
Mounting depth
244
mm
Volume occupied by the driver (estimated)
2.9
L
Frame material
Aluminium
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to DB Drive G7 12.2
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PowerBass 2XL-1040D2 x 4 Ω
10″Subwoofer
fS
32 Hz
SD
343 cm²
35 - 450 Hz
QTS
0.42
xmax
11.5 mm
SPL1W
83 dB
Bl/√RE
8.68
Pmax
800 W
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10″Subwoofer
fS
29 Hz
SD
312 cm²
29 - 400 Hz
QTS
0.46
xmax
11.5 mm
SPL1W
83 dB
Bl/√RE
7.98
Pmax
400 W