P.Audio EX18-1000S
Low frequency
18″ / 457 mm
Nominal diameter
38 Hz
Resonance
0.61
Q factor
94 dB
Sensitivity
± 5.25 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.9
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
8.64
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.61
Large signal parameters
Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
643
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.8
Ω
Inductance (1kHz)
LE
0.87
mH
VC Diameter
99
mm
Winding height
HVC
25.5
mm
Winding material
CCAR
Former material
Glass fiber
Magnet
Flux density
B
1.0
T
Force factor
Bl
20.12
N/A
Motor constant
Bl/√RE
8.35
N/√W
Air gap height
HAG
15
mm
Material
Ferrite
Diaphragm
Effective diameter
396
mm
Effective area
SD
1225
cm²
Moving mass
MMS
189.6
g
Moving mass (without air load)
MMD
159.9
g
Material
Paper
Suspensions
Stiffness
KMS
11.11
N/mm
Compliance
CMS
90
µm/N
Equivalent volume to the compliance
VAS
191
L
Mechanical resistance
RMS
5.24
N·s/m
Surround material
Cloth
Spider material
Cotton (Double)
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
460
mm
Baffle cutout diameter
418
mm
Overall depth
212
mm
Flange thickness
12
mm
Mounting depth
200
mm
Volume occupied by the driver (estimated)
7.2
L
Net weight
13.0
kg
Frame material
Steel
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
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SpeakerSim
MfbLabs
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fS
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SD
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QTS
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SPL1W
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Bl/√RE
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Pmax
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fS
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SD
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QTS
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fS
38 Hz
SD
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38 - 3500 Hz
QTS
0.54
xmax
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SPL1W
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Bl/√RE
5.97
Pmax
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