13.5″ / 345 mm
Nominal diameter
24 Hz
Resonance
0.43
Q factor
87 dB
Sensitivity
± 22 mm
Linear excursion
1500 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.1
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
24.3
Hz
Mechanical quality factor
QMS
6.70
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
22.0
mm
Air volume displaced at xmax
VD
1426
cm³
Power handling
P
750
W
Program power
Pmax
1500
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.5
Ω
Inductance (1kHz, in series, estimated)
LE
2.49
mH
Magnet
Force factor (in series)
Bl
22.2
N/A
Motor constant
Bl/√RE
8.71
N/√W
Diameter
169
mm
Diaphragm
Effective diameter
287
mm
Effective area
SD
648
cm²
Moving mass
MMS
229.4
g
Moving mass (without air load)
MMD
217.4
g
Suspensions
Stiffness
KMS
5.35
N/mm
Compliance
CMS
187
µm/N
Equivalent volume to the compliance
VAS
112
L
Mechanical resistance
RMS
5.23
N·s/m
Dimensions
Nominal diameter
13.5
″
345
mm
Overall diameter
356
mm
Baffle cutout diameter
318
mm
Mounting depth
234
mm
Volume occupied by the driver
3.4
L
Net weight
12.2
kg
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fS
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SD
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25 - 400 Hz
QTS
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xmax
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SPL1W
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SD
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QTS
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SD
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25 - 100 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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