13.5″ / 359 mm
Nominal diameter
41 Hz
Resonance
0.3
Q factor
96 dB
Sensitivity
± 8 mm
Linear excursion
1000 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.7
dB
Frequency response
40 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
41.0
Hz
Mechanical quality factor
QMS
8.20
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
566
cm³
Power handling
P
500
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
76
mm
Winding height
HVC
21
mm
Former material
Glass Fibre
Magnet
Flux density
B
1.15
T
Force factor
Bl
19.0
N/A
Motor constant
Bl/√RE
8.5
N/√W
Air gap height
HAG
10
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
300
mm
Effective area
SD
707
cm²
Moving mass
MMS
85
g
Moving mass (without air load)
MMD
71.7
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
5.78
N/mm
Compliance
CMS
173
µm/N
Equivalent volume to the compliance
VAS
123
L
Mechanical resistance
RMS
2.67
N·s/m
Dimensions
Nominal diameter
13.5
″
359
mm
Overall diameter
359
mm
Baffle cutout diameter
323
mm
Overall depth
161
mm
Flange thickness
12
mm
Mounting depth
149
mm
Volume occupied by the driver
3.0
L
Net weight
4.35
kg
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fS
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SD
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40 - 4000 Hz
QTS
0.27
xmax
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SPL1W
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Bl/√RE
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Pmax
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fS
42 Hz
SD
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QTS
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fS
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SD
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38 - 2500 Hz
QTS
0.27
xmax
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SPL1W
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Bl/√RE
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