P.Audio 18NT-100XB
FT
NT
Low frequency
18″ / 457 mm
Nominal diameter
40 Hz
Resonance
0.41
Q factor
95 dB
Sensitivity
± 7 mm
Linear excursion
2000 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
10.51
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
858
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
0.87
mH
VC Diameter
99
mm
Winding height
HVC
25
mm
Winding material
Copper
Former material
Glass fiber
Magnet
Flux density
B
1.3
T
Force factor
Bl
24.55
N/A
Motor constant
Bl/√RE
10.9
N/√W
Air gap height
HAG
11
mm
Material
Neodymium
Diaphragm
Effective diameter
396
mm
Effective area
SD
1225
cm²
Moving mass
MMS
205.4
g
Moving mass (without air load)
MMD
175.4
g
Material
Waterproof Paper
Suspensions
Stiffness
KMS
12.5
N/mm
Compliance
CMS
80
µm/N
Equivalent volume to the compliance
VAS
171
L
Mechanical resistance
RMS
4.91
N·s/m
Surround material
Cloth
Spider material
Double Silicone
Dimensions
Nominal diameter
18
″
457
mm
Overall diameter
466
mm
Baffle cutout diameter
426
mm
Overall depth
258
mm
Flange thickness
23
mm
Mounting depth
235
mm
Volume occupied by the driver (estimated)
6.8
L
Net weight
9.5
kg
Frame material
Aluminium
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to P.Audio 18NT-100XB
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18″Subwoofer
fS
38 Hz
SD
1212 cm²
38 - 2500 Hz
QTS
0.41
xmax
9.0 mm
SPL1W
95 dB
Bl/√RE
10
Pmax
2000 W
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15″Subwoofer
fS
38 Hz
SD
850 cm²
40 - 4100 Hz
QTS
0.39
xmax
7.5 mm
SPL1W
95 dB
Bl/√RE
7.33
Pmax
800 W
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Radian 22168 Ω
15″Subwoofer
fS
39 Hz
SD
832 cm²
34 - 3500 Hz
QTS
0.37
xmax
4.8 mm
SPL1W
95 dB
Bl/√RE
7.15
Pmax
1500 W