8″ / 203 mm
Nominal diameter
42 Hz
Resonance
0.81
Q factor
85 dB
Sensitivity
± 7 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
41.5
Hz
Mechanical quality factor
QMS
8.48
Electrical quality factor
QES
0.89
Total quality factor
QTS
0.81
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
194
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.3
Ω
Inductance (1kHz, in series)
LE
2.48
mH
VC Diameter
38
mm
Former material
Aluminum
Magnet
Force factor (in series)
Bl
12.5
N/A
Motor constant
Bl/√RE
4.98
N/√W
Weight
0.5
kg
Diaphragm
Effective diameter
188
mm
Effective area
SD
277
cm²
Moving mass
MMS
84
g
Moving mass (without air load)
MMD
81.1
g
Suspensions
Stiffness
KMS
5.71
N/mm
Compliance
CMS
175
µm/N
Equivalent volume to the compliance
VAS
19
L
Mechanical resistance
RMS
2.58
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Baffle cutout diameter
177
mm
Mounting depth
92
mm
Volume occupied by the driver
1.42
L
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10″Shallow Subwoofer
fS
41 Hz
SD
360 cm²
QTS
0.73
xmax
8.8 mm
SPL1W
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Bl/√RE
6.25
Pmax
600 W
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8″Subwoofer
fS
40 Hz
SD
277 cm²
QTS
0.76
xmax
7.0 mm
SPL1W
84 dB
Bl/√RE
5.4
Pmax
300 W
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