8″ / 203 mm
Nominal diameter
49 Hz
Resonance
0.52
Q factor
80 dB
Sensitivity
± 20 mm
Linear excursion
2500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
79.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
48.9
Hz
Mechanical quality factor
QMS
2.01
Electrical quality factor
QES
0.70
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
20.0
mm
Air volume displaced at xmax
VD
443
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
1.32
mH
VC Diameter
76
mm
Magnet
Force factor (in series)
Bl
18.34
N/A
Motor constant
Bl/√RE
9.66
N/√W
Material
Ferrite
Diaphragm
Effective diameter
168
mm
Effective area
SD
222
cm²
Moving mass
MMS
212.2
g
Moving mass (without air load)
MMD
209.6
g
Suspensions
Stiffness
KMS
20.0
N/mm
Compliance
CMS
50
µm/N
Equivalent volume to the compliance
VAS
3.48
L
Mechanical resistance
RMS
32.46
N·s/m
Surround material
Foam
Dimensions
Nominal diameter
8
″
203
mm
Overall diameter
233
mm
Baffle cutout diameter
190
mm
Mounting depth
187
mm
Volume occupied by the driver (estimated)
1.2
L
Frame material
Aluminium
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to DB Drive G7 8.2
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DB Drive WDX6.5G2.42 x 4 Ω
6.5″Subwoofer
fS
52 Hz
SD
142 cm²
QTS
0.61
xmax
15.0 mm
SPL1W
80 dB
Bl/√RE
6.6
Pmax
1500 W
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