8x8″/ 200x200 mm
Nominal size
43 Hz
Resonance
0.73
Q factor
84 dB
Sensitivity
± 11.25 mm
Linear excursion
700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.7
dB
Frequency response
30 - 100
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.9
Hz
Mechanical quality factor
QMS
9.58
Electrical quality factor
QES
0.79
Total quality factor
QTS
0.73
Large signal parameters
Maximum linear excursion
xmax
11.25
mm
Air volume displaced at xmax
VD
303
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
7.4
Ω
Inductance (1kHz, in series)
LE
3.37
mH
Magnet
Force factor (in series)
Bl
16.72
N/A
Motor constant
Bl/√RE
6.14
N/√W
Diaphragm
Effective diameter
185
mm
Effective area
SD
269
cm²
Moving mass
MMS
110.3
g
Moving mass (without air load)
MMD
107.5
g
Suspensions
Stiffness
KMS
8.01
N/mm
Compliance
CMS
125
µm/N
Equivalent volume to the compliance
VAS
12.8
L
Mechanical resistance
RMS
3.102
N·s/m
Dimensions
Nominal size
8 x 8
″
200 x 200
mm
Mounting baffle cutout
188 x 188
mm
Mounting depth
70
mm
Volume occupied by the driver (estimated)
0.82
L
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fS
44 Hz
SD
269 cm²
30 - 100 Hz
QTS
0.70
xmax
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SPL1W
84 dB
Bl/√RE
6.62
Pmax
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fS
45 Hz
SD
201 cm²
30 - 500 Hz
QTS
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xmax
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SPL1W
84 dB
Bl/√RE
4.11
Pmax
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