18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.38
Q factor
94 dB
Sensitivity
± 13 mm
Linear excursion
3200 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.6
dB
Frequency response
30 - 1500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
10.00
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
13.0
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
1576
cm³
Power handling
P
1600
W
Program power
Pmax
3200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.68
mH
VC Diameter
100
mm
Winding height
HVC
31
mm
Winding material
Copper
Former material
Glass Fiber
Magnet
Flux density
B
1.1
T
Force factor
Bl
27.0
N/A
Motor constant
Bl/√RE
11.6
N/√W
Air gap height
HAG
15
mm
Material
Ferrite Ring
Diaphragm
Effective diameter
393
mm
Effective area
SD
1212
cm²
Moving mass
MMS
259
g
Moving mass (without air load)
MMD
229.7
g
Suspensions
Stiffness
KMS
10.0
N/mm
Compliance
CMS
100
µm/N
Equivalent volume to the compliance
VAS
196
L
Mechanical resistance
RMS
5.2
N·s/m
Dimensions
Nominal diameter
18
″
460
mm
Overall diameter
460
mm
Baffle cutout diameter
422
mm
Overall depth
223
mm
Flange thickness
14
mm
Mounting depth
209
mm
Volume occupied by the driver
7.4
L
Net weight
14.7
kg
Frame material
Aluminium
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fS
33 Hz
SD
897 cm²
35 - 2000 Hz
QTS
0.36
xmax
8.0 mm
SPL1W
94 dB
Bl/√RE
8.73
Pmax
1600 W
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fS
30 Hz
SD
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30 - 1000 Hz
QTS
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xmax
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SPL1W
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Bl/√RE
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fS
30 Hz
SD
1200 cm²
30 - 1000 Hz
QTS
0.32
xmax
14.0 mm
SPL1W
94 dB
Bl/√RE
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Pmax
3000 W