P.Audio SD18-1700EL
Low frequency
18″ / 457 mm
Nominal diameter
45 Hz
Resonance
0.59
Q factor
92 dB
Sensitivity
± 4.85 mm
Linear excursion
3400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.3
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
11.10
Electrical quality factor
QES
0.63
Total quality factor
QTS
0.59
Large signal parameters
Maximum linear excursion
xmax
4.85
mm
Air volume displaced at xmax
VD
594
cm³
Power handling
P
1700
W
Program power
Pmax
3400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.02
mH
VC Diameter
114
mm
Winding height
HVC
24.7
mm
Winding material
SV-SQ
Former material
Glass fiber
Magnet
Flux density
B
0.8
T
Force factor
Bl
25.91
N/A
Motor constant
Bl/√RE
11.4
N/√W
Air gap height
HAG
15
mm
Material
Ferrite
Diaphragm
Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
307.7
g
Moving mass (without air load)
MMD
277.2
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
21.28
N/mm
Compliance
CMS
47
µm/N
Equivalent volume to the compliance
VAS
99.7
L
Mechanical resistance
RMS
7.84
N·s/m
Surround material
Cloth
Spider material
Cotton (Double Silicone)
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
476
mm
Baffle cutout diameter
428
mm
Overall depth
228
mm
Flange thickness
17
mm
Mounting depth
211
mm
Volume occupied by the driver (estimated)
8.2
L
Net weight
14.2
kg
Frame material
Aluminium
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Export this driver to a simulation software:
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SpeakerbenchSimilar speaker drivers to P.Audio SD18-1700EL
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15″Subwoofer
fS
40 Hz
SD
856 cm²
39 - 1200 Hz
QTS
0.52
xmax
9.0 mm
SPL1W
93 dB
Bl/√RE
7.97
Pmax
2400 W
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18″Low frequency
fS
40 Hz
SD
1225 cm²
40 - 800 Hz
QTS
0.60
xmax
9.0 mm
SPL1W
93 dB
Bl/√RE
11
Pmax
2800 W
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18″Low frequency
fS
38 Hz
SD
1225 cm²
35 - 1000 Hz
QTS
0.48
xmax
8.5 mm
SPL1W
94 dB
Bl/√RE
11
Pmax
2400 W